// ==UserScript==
// @name           log4javascript
// @namespace      Tim Down
// @description    log4javascript is a logging framework for JavaScript based on log4j
// @copyright      2014 Tim Down
// @version        1.4.11
// @source         http://log4javascript.org
// @license        Apache
// ==/UserScript==
/**
* Copyright 2014 Tim Down.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* log4javascript
*
* log4javascript is a logging framework for JavaScript based on log4j
* for Java. This file contains all core log4javascript code and is the only
* file required to use log4javascript, unless you require support for
* document.domain, in which case you will also need console.html, which must be
* stored in the same directory as the main log4javascript.js file.
*
* Author: Tim Down <[email protected]>
* Version: 1.4.11
* Edition: log4javascript
* Build date: 19 February 2015
* Website: http://log4javascript.org
*/
(function(factory, root) {
if (typeof define == "function" && define.amd) {
// AMD. Register as an anonymous module.
define(factory);
} else if (typeof module != "undefined" && typeof exports == "object") {
// Node/CommonJS style
module.exports = factory();
} else {
// No AMD or CommonJS support so we place log4javascript in (probably) the global variable
root.log4javascript = factory();
}
})(function() {
// Array-related stuff. Next three methods are solely for IE5, which is missing them
if (!Array.prototype.push) {
Array.prototype.push = function() {
for (var i = 0, len = arguments.length; i < len; i++){
this[this.length] = arguments[i];
}
return this.length;
};
}
if (!Array.prototype.shift) {
Array.prototype.shift = function() {
if (this.length > 0) {
var firstItem = this[0];
for (var i = 0, len = this.length - 1; i < len; i++) {
this[i] = this[i + 1];
}
this.length = this.length - 1;
return firstItem;
}
};
}
if (!Array.prototype.splice) {
Array.prototype.splice = function(startIndex, deleteCount) {
var itemsAfterDeleted = this.slice(startIndex + deleteCount);
var itemsDeleted = this.slice(startIndex, startIndex + deleteCount);
this.length = startIndex;
// Copy the arguments into a proper Array object
var argumentsArray = [];
for (var i = 0, len = arguments.length; i < len; i++) {
argumentsArray[i] = arguments[i];
}
var itemsToAppend = (argumentsArray.length > 2) ?
itemsAfterDeleted = argumentsArray.slice(2).concat(itemsAfterDeleted) : itemsAfterDeleted;
for (i = 0, len = itemsToAppend.length; i < len; i++) {
this.push(itemsToAppend[i]);
}
return itemsDeleted;
};
}
/* ---------------------------------------------------------------------- */
function isUndefined(obj) {
return typeof obj == "undefined";
}
/* ---------------------------------------------------------------------- */
// Custom event support
function EventSupport() {}
EventSupport.prototype = {
eventTypes: [],
eventListeners: {},
setEventTypes: function(eventTypesParam) {
if (eventTypesParam instanceof Array) {
this.eventTypes = eventTypesParam;
this.eventListeners = {};
for (var i = 0, len = this.eventTypes.length; i < len; i++) {
this.eventListeners[this.eventTypes[i]] = [];
}
} else {
handleError("log4javascript.EventSupport [" + this + "]: setEventTypes: eventTypes parameter must be an Array");
}
},
addEventListener: function(eventType, listener) {
if (typeof listener == "function") {
if (!array_contains(this.eventTypes, eventType)) {
handleError("log4javascript.EventSupport [" + this + "]: addEventListener: no event called '" + eventType + "'");
}
this.eventListeners[eventType].push(listener);
} else {
handleError("log4javascript.EventSupport [" + this + "]: addEventListener: listener must be a function");
}
},
removeEventListener: function(eventType, listener) {
if (typeof listener == "function") {
if (!array_contains(this.eventTypes, eventType)) {
handleError("log4javascript.EventSupport [" + this + "]: removeEventListener: no event called '" + eventType + "'");
}
array_remove(this.eventListeners[eventType], listener);
} else {
handleError("log4javascript.EventSupport [" + this + "]: removeEventListener: listener must be a function");
}
},
dispatchEvent: function(eventType, eventArgs) {
if (array_contains(this.eventTypes, eventType)) {
var listeners = this.eventListeners[eventType];
for (var i = 0, len = listeners.length; i < len; i++) {
listeners[i](this, eventType, eventArgs);
}
} else {
handleError("log4javascript.EventSupport [" + this + "]: dispatchEvent: no event called '" + eventType + "'");
}
}
};
/* -------------------------------------------------------------------------- */
var applicationStartDate = new Date();
var uniqueId = "log4javascript_" + applicationStartDate.getTime() + "_" +
Math.floor(Math.random() * 100000000);
var emptyFunction = function() {};
var newLine = "\r\n";
var pageLoaded = false;
// Create main log4javascript object; this will be assigned public properties
function Log4JavaScript() {}
Log4JavaScript.prototype = new EventSupport();
var log4javascript = new Log4JavaScript();
log4javascript.version = "1.4.11";
log4javascript.edition = "log4javascript";
/* -------------------------------------------------------------------------- */
// Utility functions
function toStr(obj) {
if (obj && obj.toString) {
return obj.toString();
} else {
return String(obj);
}
}
function getExceptionMessage(ex) {
if (ex.message) {
return ex.message;
} else if (ex.description) {
return ex.description;
} else {
return toStr(ex);
}
}
// Gets the portion of the URL after the last slash
function getUrlFileName(url) {
var lastSlashIndex = Math.max(url.lastIndexOf("/"), url.lastIndexOf("\\"));
return url.substr(lastSlashIndex + 1);
}
// Returns a nicely formatted representation of an error
function getExceptionStringRep(ex) {
if (ex) {
var exStr = "Exception: " + getExceptionMessage(ex);
try {
if (ex.lineNumber) {
exStr += " on line number " + ex.lineNumber;
}
if (ex.fileName) {
exStr += " in file " + getUrlFileName(ex.fileName);
}
} catch (localEx) {
logLog.warn("Unable to obtain file and line information for error");
}
if (showStackTraces && ex.stack) {
exStr += newLine + "Stack trace:" + newLine + ex.stack;
}
return exStr;
}
return null;
}
function bool(obj) {
return Boolean(obj);
}
function trim(str) {
return str.replace(/^\s+/, "").replace(/\s+$/, "");
}
function splitIntoLines(text) {
// Ensure all line breaks are \n only
var text2 = text.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
return text2.split("\n");
}
var urlEncode = (typeof window.encodeURIComponent != "undefined") ?
function(str) {
return encodeURIComponent(str);
}:
function(str) {
return escape(str).replace(/\+/g, "%2B").replace(/"/g, "%22").replace(/'/g, "%27").replace(/\//g, "%2F").replace(/=/g, "%3D");
};
function array_remove(arr, val) {
var index = -1;
for (var i = 0, len = arr.length; i < len; i++) {
if (arr[i] === val) {
index = i;
break;
}
}
if (index >= 0) {
arr.splice(index, 1);
return true;
} else {
return false;
}
}
function array_contains(arr, val) {
for(var i = 0, len = arr.length; i < len; i++) {
if (arr[i] == val) {
return true;
}
}
return false;
}
function extractBooleanFromParam(param, defaultValue) {
if (isUndefined(param)) {
return defaultValue;
} else {
return bool(param);
}
}
function extractStringFromParam(param, defaultValue) {
if (isUndefined(param)) {
return defaultValue;
} else {
return String(param);
}
}
function extractIntFromParam(param, defaultValue) {
if (isUndefined(param)) {
return defaultValue;
} else {
try {
var value = parseInt(param, 10);
return isNaN(value) ? defaultValue : value;
} catch (ex) {
logLog.warn("Invalid int param " + param, ex);
return defaultValue;
}
}
}
function extractFunctionFromParam(param, defaultValue) {
if (typeof param == "function") {
return param;
} else {
return defaultValue;
}
}
function isError(err) {
return (err instanceof Error);
}
if (!Function.prototype.apply){
Function.prototype.apply = function(obj, args) {
var methodName = "__apply__";
if (typeof obj[methodName] != "undefined") {
methodName += String(Math.random()).substr(2);
}
obj[methodName] = this;
var argsStrings = [];
for (var i = 0, len = args.length; i < len; i++) {
argsStrings[i] = "args[" + i + "]";
}
var script = "obj." + methodName + "(" + argsStrings.join(",") + ")";
var returnValue = eval(script);
delete obj[methodName];
return returnValue;
};
}
if (!Function.prototype.call){
Function.prototype.call = function(obj) {
var args = [];
for (var i = 1, len = arguments.length; i < len; i++) {
args[i - 1] = arguments[i];
}
return this.apply(obj, args);
};
}
/* ---------------------------------------------------------------------- */
// Simple logging for log4javascript itself
var logLog = {
quietMode: false,
debugMessages: [],
setQuietMode: function(quietMode) {
this.quietMode = bool(quietMode);
},
numberOfErrors: 0,
alertAllErrors: false,
setAlertAllErrors: function(alertAllErrors) {
this.alertAllErrors = alertAllErrors;
},
debug: function(message) {
this.debugMessages.push(message);
},
displayDebug: function() {
alert(this.debugMessages.join(newLine));
},
warn: function(message, exception) {
},
error: function(message, exception) {
if (++this.numberOfErrors == 1 || this.alertAllErrors) {
if (!this.quietMode) {
var alertMessage = "log4javascript error: " + message;
if (exception) {
alertMessage += newLine + newLine + "Original error: " + getExceptionStringRep(exception);
}
alert(alertMessage);
}
}
}
};
log4javascript.logLog = logLog;
log4javascript.setEventTypes(["load", "error"]);
function handleError(message, exception) {
logLog.error(message, exception);
log4javascript.dispatchEvent("error", { "message": message, "exception": exception });
}
log4javascript.handleError = handleError;
/* ---------------------------------------------------------------------- */
var enabled = !((typeof log4javascript_disabled != "undefined") &&
log4javascript_disabled);
log4javascript.setEnabled = function(enable) {
enabled = bool(enable);
};
log4javascript.isEnabled = function() {
return enabled;
};
var useTimeStampsInMilliseconds = true;
log4javascript.setTimeStampsInMilliseconds = function(timeStampsInMilliseconds) {
useTimeStampsInMilliseconds = bool(timeStampsInMilliseconds);
};
log4javascript.isTimeStampsInMilliseconds = function() {
return useTimeStampsInMilliseconds;
};
// This evaluates the given expression in the current scope, thus allowing
// scripts to access private variables. Particularly useful for testing
log4javascript.evalInScope = function(expr) {
return eval(expr);
};
var showStackTraces = false;
log4javascript.setShowStackTraces = function(show) {
showStackTraces = bool(show);
};
/* ---------------------------------------------------------------------- */
// Levels
var Level = function(level, name) {
this.level = level;
this.name = name;
};
Level.prototype = {
toString: function() {
return this.name;
},
equals: function(level) {
return this.level == level.level;
},
isGreaterOrEqual: function(level) {
return this.level >= level.level;
}
};
Level.ALL = new Level(Number.MIN_VALUE, "ALL");
Level.TRACE = new Level(10000, "TRACE");
Level.DEBUG = new Level(20000, "DEBUG");
Level.INFO = new Level(30000, "INFO");
Level.WARN = new Level(40000, "WARN");
Level.ERROR = new Level(50000, "ERROR");
Level.FATAL = new Level(60000, "FATAL");
Level.OFF = new Level(Number.MAX_VALUE, "OFF");
log4javascript.Level = Level;
/* ---------------------------------------------------------------------- */
// Timers
function Timer(name, level) {
this.name = name;
this.level = isUndefined(level) ? Level.INFO : level;
this.start = new Date();
}
Timer.prototype.getElapsedTime = function() {
return new Date().getTime() - this.start.getTime();
};
/* ---------------------------------------------------------------------- */
// Loggers
var anonymousLoggerName = "[anonymous]";
var defaultLoggerName = "[default]";
var nullLoggerName = "[null]";
var rootLoggerName = "root";
function Logger(name) {
this.name = name;
this.parent = null;
this.children = [];
var appenders = [];
var loggerLevel = null;
var isRoot = (this.name === rootLoggerName);
var isNull = (this.name === nullLoggerName);
var appenderCache = null;
var appenderCacheInvalidated = false;
this.addChild = function(childLogger) {
this.children.push(childLogger);
childLogger.parent = this;
childLogger.invalidateAppenderCache();
};
// Additivity
var additive = true;
this.getAdditivity = function() {
return additive;
};
this.setAdditivity = function(additivity) {
var valueChanged = (additive != additivity);
additive = additivity;
if (valueChanged) {
this.invalidateAppenderCache();
}
};
// Create methods that use the appenders variable in this scope
this.addAppender = function(appender) {
if (isNull) {
handleError("Logger.addAppender: you may not add an appender to the null logger");
} else {
if (appender instanceof log4javascript.Appender) {
if (!array_contains(appenders, appender)) {
appenders.push(appender);
appender.setAddedToLogger(this);
this.invalidateAppenderCache();
}
} else {
handleError("Logger.addAppender: appender supplied ('" +
toStr(appender) + "') is not a subclass of Appender");
}
}
};
this.removeAppender = function(appender) {
array_remove(appenders, appender);
appender.setRemovedFromLogger(this);
this.invalidateAppenderCache();
};
this.removeAllAppenders = function() {
var appenderCount = appenders.length;
if (appenderCount > 0) {
for (var i = 0; i < appenderCount; i++) {
appenders[i].setRemovedFromLogger(this);
}
appenders.length = 0;
this.invalidateAppenderCache();
}
};
this.getEffectiveAppenders = function() {
if (appenderCache === null || appenderCacheInvalidated) {
// Build appender cache
var parentEffectiveAppenders = (isRoot || !this.getAdditivity()) ?
[] : this.parent.getEffectiveAppenders();
appenderCache = parentEffectiveAppenders.concat(appenders);
appenderCacheInvalidated = false;
}
return appenderCache;
};
this.invalidateAppenderCache = function() {
appenderCacheInvalidated = true;
for (var i = 0, len = this.children.length; i < len; i++) {
this.children[i].invalidateAppenderCache();
}
};
this.log = function(level, params) {
if (enabled && level.isGreaterOrEqual(this.getEffectiveLevel())) {
// Check whether last param is an exception
var exception;
var finalParamIndex = params.length - 1;
var lastParam = params[finalParamIndex];
if (params.length > 1 && isError(lastParam)) {
exception = lastParam;
finalParamIndex--;
}
// Construct genuine array for the params
var messages = [];
for (var i = 0; i <= finalParamIndex; i++) {
messages[i] = params[i];
}
var loggingEvent = new LoggingEvent(
this, new Date(), level, messages, exception);
this.callAppenders(loggingEvent);
}
};
this.callAppenders = function(loggingEvent) {
var effectiveAppenders = this.getEffectiveAppenders();
for (var i = 0, len = effectiveAppenders.length; i < len; i++) {
effectiveAppenders[i].doAppend(loggingEvent);
}
};
this.setLevel = function(level) {
// Having a level of null on the root logger would be very bad.
if (isRoot && level === null) {
handleError("Logger.setLevel: you cannot set the level of the root logger to null");
} else if (level instanceof Level) {
loggerLevel = level;
} else {
handleError("Logger.setLevel: level supplied to logger " +
this.name + " is not an instance of log4javascript.Level");
}
};
this.getLevel = function() {
return loggerLevel;
};
this.getEffectiveLevel = function() {
for (var logger = this; logger !== null; logger = logger.parent) {
var level = logger.getLevel();
if (level !== null) {
return level;
}
}
};
this.group = function(name, initiallyExpanded) {
if (enabled) {
var effectiveAppenders = this.getEffectiveAppenders();
for (var i = 0, len = effectiveAppenders.length; i < len; i++) {
effectiveAppenders[i].group(name, initiallyExpanded);
}
}
};
this.groupEnd = function() {
if (enabled) {
var effectiveAppenders = this.getEffectiveAppenders();
for (var i = 0, len = effectiveAppenders.length; i < len; i++) {
effectiveAppenders[i].groupEnd();
}
}
};
var timers = {};
this.time = function(name, level) {
if (enabled) {
if (isUndefined(name)) {
handleError("Logger.time: a name for the timer must be supplied");
} else if (level && !(level instanceof Level)) {
handleError("Logger.time: level supplied to timer " +
name + " is not an instance of log4javascript.Level");
} else {
timers[name] = new Timer(name, level);
}
}
};
this.timeEnd = function(name) {
if (enabled) {
if (isUndefined(name)) {
handleError("Logger.timeEnd: a name for the timer must be supplied");
} else if (timers[name]) {
var timer = timers[name];
var milliseconds = timer.getElapsedTime();
this.log(timer.level, ["Timer " + toStr(name) + " completed in " + milliseconds + "ms"]);
delete timers[name];
} else {
logLog.warn("Logger.timeEnd: no timer found with name " + name);
}
}
};
this.assert = function(expr) {
if (enabled && !expr) {
var args = [];
for (var i = 1, len = arguments.length; i < len; i++) {
args.push(arguments[i]);
}
args = (args.length > 0) ? args : ["Assertion Failure"];
args.push(newLine);
args.push(expr);
this.log(Level.ERROR, args);
}
};
this.toString = function() {
return "Logger[" + this.name + "]";
};
}
Logger.prototype = {
trace: function() {
this.log(Level.TRACE, arguments);
},
debug: function() {
this.log(Level.DEBUG, arguments);
},
info: function() {
this.log(Level.INFO, arguments);
},
warn: function() {
this.log(Level.WARN, arguments);
},
error: function() {
this.log(Level.ERROR, arguments);
},
fatal: function() {
this.log(Level.FATAL, arguments);
},
isEnabledFor: function(level) {
return level.isGreaterOrEqual(this.getEffectiveLevel());
},
isTraceEnabled: function() {
return this.isEnabledFor(Level.TRACE);
},
isDebugEnabled: function() {
return this.isEnabledFor(Level.DEBUG);
},
isInfoEnabled: function() {
return this.isEnabledFor(Level.INFO);
},
isWarnEnabled: function() {
return this.isEnabledFor(Level.WARN);
},
isErrorEnabled: function() {
return this.isEnabledFor(Level.ERROR);
},
isFatalEnabled: function() {
return this.isEnabledFor(Level.FATAL);
}
};
Logger.prototype.trace.isEntryPoint = true;
Logger.prototype.debug.isEntryPoint = true;
Logger.prototype.info.isEntryPoint = true;
Logger.prototype.warn.isEntryPoint = true;
Logger.prototype.error.isEntryPoint = true;
Logger.prototype.fatal.isEntryPoint = true;
/* ---------------------------------------------------------------------- */
// Logger access methods
// Hashtable of loggers keyed by logger name
var loggers = {};
var loggerNames = [];
var ROOT_LOGGER_DEFAULT_LEVEL = Level.DEBUG;
var rootLogger = new Logger(rootLoggerName);
rootLogger.setLevel(ROOT_LOGGER_DEFAULT_LEVEL);
log4javascript.getRootLogger = function() {
return rootLogger;
};
log4javascript.getLogger = function(loggerName) {
// Use default logger if loggerName is not specified or invalid
if (typeof loggerName != "string") {
loggerName = anonymousLoggerName;
logLog.warn("log4javascript.getLogger: non-string logger name "	+
toStr(loggerName) + " supplied, returning anonymous logger");
}
// Do not allow retrieval of the root logger by name
if (loggerName == rootLoggerName) {
handleError("log4javascript.getLogger: root logger may not be obtained by name");
}
// Create the logger for this name if it doesn't already exist
if (!loggers[loggerName]) {
var logger = new Logger(loggerName);
loggers[loggerName] = logger;
loggerNames.push(loggerName);
// Set up parent logger, if it doesn't exist
var lastDotIndex = loggerName.lastIndexOf(".");
var parentLogger;
if (lastDotIndex > -1) {
var parentLoggerName = loggerName.substring(0, lastDotIndex);
parentLogger = log4javascript.getLogger(parentLoggerName); // Recursively sets up grandparents etc.
} else {
parentLogger = rootLogger;
}
parentLogger.addChild(logger);
}
return loggers[loggerName];
};
var defaultLogger = null;
log4javascript.getDefaultLogger = function() {
if (!defaultLogger) {
defaultLogger = createDefaultLogger();
}
return defaultLogger;
};
var nullLogger = null;
log4javascript.getNullLogger = function() {
if (!nullLogger) {
nullLogger = new Logger(nullLoggerName);
nullLogger.setLevel(Level.OFF);
}
return nullLogger;
};
// Destroys all loggers
log4javascript.resetConfiguration = function() {
rootLogger.setLevel(ROOT_LOGGER_DEFAULT_LEVEL);
loggers = {};
};
/* ---------------------------------------------------------------------- */
// Logging events
var LoggingEvent = function(logger, timeStamp, level, messages,
exception) {
this.logger = logger;
this.timeStamp = timeStamp;
this.timeStampInMilliseconds = timeStamp.getTime();
this.timeStampInSeconds = Math.floor(this.timeStampInMilliseconds / 1000);
this.milliseconds = this.timeStamp.getMilliseconds();
this.level = level;
this.messages = messages;
this.exception = exception;
};
LoggingEvent.prototype = {
getThrowableStrRep: function() {
return this.exception ?
getExceptionStringRep(this.exception) : "";
},
getCombinedMessages: function() {
return (this.messages.length == 1) ? this.messages[0] :
this.messages.join(newLine);
},
toString: function() {
return "LoggingEvent[" + this.level + "]";
}
};
log4javascript.LoggingEvent = LoggingEvent;
/* ---------------------------------------------------------------------- */
// Layout prototype
var Layout = function() {
};
Layout.prototype = {
defaults: {
loggerKey: "logger",
timeStampKey: "timestamp",
millisecondsKey: "milliseconds",
levelKey: "level",
messageKey: "message",
exceptionKey: "exception",
urlKey: "url"
},
loggerKey: "logger",
timeStampKey: "timestamp",
millisecondsKey: "milliseconds",
levelKey: "level",
messageKey: "message",
exceptionKey: "exception",
urlKey: "url",
batchHeader: "",
batchFooter: "",
batchSeparator: "",
returnsPostData: false,
overrideTimeStampsSetting: false,
useTimeStampsInMilliseconds: null,
format: function() {
handleError("Layout.format: layout supplied has no format() method");
},
ignoresThrowable: function() {
handleError("Layout.ignoresThrowable: layout supplied has no ignoresThrowable() method");
},
getContentType: function() {
return "text/plain";
},
allowBatching: function() {
return true;
},
setTimeStampsInMilliseconds: function(timeStampsInMilliseconds) {
this.overrideTimeStampsSetting = true;
this.useTimeStampsInMilliseconds = bool(timeStampsInMilliseconds);
},
isTimeStampsInMilliseconds: function() {
return this.overrideTimeStampsSetting ?
this.useTimeStampsInMilliseconds : useTimeStampsInMilliseconds;
},
getTimeStampValue: function(loggingEvent) {
return this.isTimeStampsInMilliseconds() ?
loggingEvent.timeStampInMilliseconds : loggingEvent.timeStampInSeconds;
},
getDataValues: function(loggingEvent, combineMessages) {
var dataValues = [
[this.loggerKey, loggingEvent.logger.name],
[this.timeStampKey, this.getTimeStampValue(loggingEvent)],
[this.levelKey, loggingEvent.level.name],
[this.urlKey, window.location.href],
[this.messageKey, combineMessages ? loggingEvent.getCombinedMessages() : loggingEvent.messages]
];
if (!this.isTimeStampsInMilliseconds()) {
dataValues.push([this.millisecondsKey, loggingEvent.milliseconds]);
}
if (loggingEvent.exception) {
dataValues.push([this.exceptionKey, getExceptionStringRep(loggingEvent.exception)]);
}
if (this.hasCustomFields()) {
for (var i = 0, len = this.customFields.length; i < len; i++) {
var val = this.customFields[i].value;
// Check if the value is a function. If so, execute it, passing it the
// current layout and the logging event
if (typeof val === "function") {
val = val(this, loggingEvent);
}
dataValues.push([this.customFields[i].name, val]);
}
}
return dataValues;
},
setKeys: function(loggerKey, timeStampKey, levelKey, messageKey,
exceptionKey, urlKey, millisecondsKey) {
this.loggerKey = extractStringFromParam(loggerKey, this.defaults.loggerKey);
this.timeStampKey = extractStringFromParam(timeStampKey, this.defaults.timeStampKey);
this.levelKey = extractStringFromParam(levelKey, this.defaults.levelKey);
this.messageKey = extractStringFromParam(messageKey, this.defaults.messageKey);
this.exceptionKey = extractStringFromParam(exceptionKey, this.defaults.exceptionKey);
this.urlKey = extractStringFromParam(urlKey, this.defaults.urlKey);
this.millisecondsKey = extractStringFromParam(millisecondsKey, this.defaults.millisecondsKey);
},
setCustomField: function(name, value) {
var fieldUpdated = false;
for (var i = 0, len = this.customFields.length; i < len; i++) {
if (this.customFields[i].name === name) {
this.customFields[i].value = value;
fieldUpdated = true;
}
}
if (!fieldUpdated) {
this.customFields.push({"name": name, "value": value});
}
},
hasCustomFields: function() {
return (this.customFields.length > 0);
},
formatWithException: function(loggingEvent) {
var formatted = this.format(loggingEvent);
if (loggingEvent.exception && this.ignoresThrowable()) {
formatted += loggingEvent.getThrowableStrRep();
}
return formatted;
},
toString: function() {
handleError("Layout.toString: all layouts must override this method");
}
};
log4javascript.Layout = Layout;
/* ---------------------------------------------------------------------- */
// Appender prototype
var Appender = function() {};
Appender.prototype = new EventSupport();
Appender.prototype.layout = new PatternLayout();
Appender.prototype.threshold = Level.ALL;
Appender.prototype.loggers = [];
// Performs threshold checks before delegating actual logging to the
// subclass's specific append method.
Appender.prototype.doAppend = function(loggingEvent) {
if (enabled && loggingEvent.level.level >= this.threshold.level) {
this.append(loggingEvent);
}
};
Appender.prototype.append = function(loggingEvent) {};
Appender.prototype.setLayout = function(layout) {
if (layout instanceof Layout) {
this.layout = layout;
} else {
handleError("Appender.setLayout: layout supplied to " +
this.toString() + " is not a subclass of Layout");
}
};
Appender.prototype.getLayout = function() {
return this.layout;
};
Appender.prototype.setThreshold = function(threshold) {
if (threshold instanceof Level) {
this.threshold = threshold;
} else {
handleError("Appender.setThreshold: threshold supplied to " +
this.toString() + " is not a subclass of Level");
}
};
Appender.prototype.getThreshold = function() {
return this.threshold;
};
Appender.prototype.setAddedToLogger = function(logger) {
this.loggers.push(logger);
};
Appender.prototype.setRemovedFromLogger = function(logger) {
array_remove(this.loggers, logger);
};
Appender.prototype.group = emptyFunction;
Appender.prototype.groupEnd = emptyFunction;
Appender.prototype.toString = function() {
handleError("Appender.toString: all appenders must override this method");
};
log4javascript.Appender = Appender;
/* ---------------------------------------------------------------------- */
// SimpleLayout
function SimpleLayout() {
this.customFields = [];
}
SimpleLayout.prototype = new Layout();
SimpleLayout.prototype.format = function(loggingEvent) {
return loggingEvent.level.name + " - " + loggingEvent.getCombinedMessages();
};
SimpleLayout.prototype.ignoresThrowable = function() {
return true;
};
SimpleLayout.prototype.toString = function() {
return "SimpleLayout";
};
log4javascript.SimpleLayout = SimpleLayout;
/* ----------------------------------------------------------------------- */
// NullLayout
function NullLayout() {
this.customFields = [];
}
NullLayout.prototype = new Layout();
NullLayout.prototype.format = function(loggingEvent) {
return loggingEvent.messages;
};
NullLayout.prototype.ignoresThrowable = function() {
return true;
};
NullLayout.prototype.formatWithException = function(loggingEvent) {
var messages = loggingEvent.messages, ex = loggingEvent.exception;
return ex ? messages.concat([ex]) : messages;
};
NullLayout.prototype.toString = function() {
return "NullLayout";
};
log4javascript.NullLayout = NullLayout;
/* ---------------------------------------------------------------------- */
// XmlLayout
function XmlLayout(combineMessages) {
this.combineMessages = extractBooleanFromParam(combineMessages, true);
this.customFields = [];
}
XmlLayout.prototype = new Layout();
XmlLayout.prototype.isCombinedMessages = function() {
return this.combineMessages;
};
XmlLayout.prototype.getContentType = function() {
return "text/xml";
};
XmlLayout.prototype.escapeCdata = function(str) {
return str.replace(/\]\]>/, "]]>]]&gt;<![CDATA[");
};
XmlLayout.prototype.format = function(loggingEvent) {
var layout = this;
var i, len;
function formatMessage(message) {
message = (typeof message === "string") ? message : toStr(message);
return "<log4javascript:message><![CDATA[" +
layout.escapeCdata(message) + "]]></log4javascript:message>";
}
var str = "<log4javascript:event logger=\"" + loggingEvent.logger.name +
"\" timestamp=\"" + this.getTimeStampValue(loggingEvent) + "\"";
if (!this.isTimeStampsInMilliseconds()) {
str += " milliseconds=\"" + loggingEvent.milliseconds + "\"";
}
str += " level=\"" + loggingEvent.level.name + "\">" + newLine;
if (this.combineMessages) {
str += formatMessage(loggingEvent.getCombinedMessages());
} else {
str += "<log4javascript:messages>" + newLine;
for (i = 0, len = loggingEvent.messages.length; i < len; i++) {
str += formatMessage(loggingEvent.messages[i]) + newLine;
}
str += "</log4javascript:messages>" + newLine;
}
if (this.hasCustomFields()) {
for (i = 0, len = this.customFields.length; i < len; i++) {
str += "<log4javascript:customfield name=\"" +
this.customFields[i].name + "\"><![CDATA[" +
this.customFields[i].value.toString() +
"]]></log4javascript:customfield>" + newLine;
}
}
if (loggingEvent.exception) {
str += "<log4javascript:exception><![CDATA[" +
getExceptionStringRep(loggingEvent.exception) +
"]]></log4javascript:exception>" + newLine;
}
str += "</log4javascript:event>" + newLine + newLine;
return str;
};
XmlLayout.prototype.ignoresThrowable = function() {
return false;
};
XmlLayout.prototype.toString = function() {
return "XmlLayout";
};
log4javascript.XmlLayout = XmlLayout;
/* ---------------------------------------------------------------------- */
// JsonLayout related
function escapeNewLines(str) {
return str.replace(/\r\n|\r|\n/g, "\\r\\n");
}
function JsonLayout(readable, combineMessages) {
this.readable = extractBooleanFromParam(readable, false);
this.combineMessages = extractBooleanFromParam(combineMessages, true);
this.batchHeader = this.readable ? "[" + newLine : "[";
this.batchFooter = this.readable ? "]" + newLine : "]";
this.batchSeparator = this.readable ? "," + newLine : ",";
this.setKeys();
this.colon = this.readable ? ": " : ":";
this.tab = this.readable ? "\t" : "";
this.lineBreak = this.readable ? newLine : "";
this.customFields = [];
}
/* ---------------------------------------------------------------------- */
// JsonLayout
JsonLayout.prototype = new Layout();
JsonLayout.prototype.isReadable = function() {
return this.readable;
};
JsonLayout.prototype.isCombinedMessages = function() {
return this.combineMessages;
};
JsonLayout.prototype.format = function(loggingEvent) {
var layout = this;
var dataValues = this.getDataValues(loggingEvent, this.combineMessages);
var str = "{" + this.lineBreak;
var i, len;
function formatValue(val, prefix, expand) {
// Check the type of the data value to decide whether quotation marks
// or expansion are required
var formattedValue;
var valType = typeof val;
if (val instanceof Date) {
formattedValue = String(val.getTime());
} else if (expand && (val instanceof Array)) {
formattedValue = "[" + layout.lineBreak;
for (var i = 0, len = val.length; i < len; i++) {
var childPrefix = prefix + layout.tab;
formattedValue += childPrefix + formatValue(val[i], childPrefix, false);
if (i < val.length - 1) {
formattedValue += ",";
}
formattedValue += layout.lineBreak;
}
formattedValue += prefix + "]";
} else if (valType !== "number" && valType !== "boolean") {
formattedValue = "\"" + escapeNewLines(toStr(val).replace(/\"/g, "\\\"")) + "\"";
} else {
formattedValue = val;
}
return formattedValue;
}
for (i = 0, len = dataValues.length - 1; i <= len; i++) {
str += this.tab + "\"" + dataValues[i][0] + "\"" + this.colon + formatValue(dataValues[i][1], this.tab, true);
if (i < len) {
str += ",";
}
str += this.lineBreak;
}
str += "}" + this.lineBreak;
return str;
};
JsonLayout.prototype.ignoresThrowable = function() {
return false;
};
JsonLayout.prototype.toString = function() {
return "JsonLayout";
};
JsonLayout.prototype.getContentType = function() {
return "application/json";
};
log4javascript.JsonLayout = JsonLayout;
/* ---------------------------------------------------------------------- */
// HttpPostDataLayout
function HttpPostDataLayout() {
this.setKeys();
this.customFields = [];
this.returnsPostData = true;
}
HttpPostDataLayout.prototype = new Layout();
// Disable batching
HttpPostDataLayout.prototype.allowBatching = function() {
return false;
};
HttpPostDataLayout.prototype.format = function(loggingEvent) {
var dataValues = this.getDataValues(loggingEvent);
var queryBits = [];
for (var i = 0, len = dataValues.length; i < len; i++) {
var val = (dataValues[i][1] instanceof Date) ?
String(dataValues[i][1].getTime()) : dataValues[i][1];
queryBits.push(urlEncode(dataValues[i][0]) + "=" + urlEncode(val));
}
return queryBits.join("&");
};
HttpPostDataLayout.prototype.ignoresThrowable = function(loggingEvent) {
return false;
};
HttpPostDataLayout.prototype.toString = function() {
return "HttpPostDataLayout";
};
log4javascript.HttpPostDataLayout = HttpPostDataLayout;
/* ---------------------------------------------------------------------- */
// formatObjectExpansion
function formatObjectExpansion(obj, depth, indentation) {
var objectsExpanded = [];
function doFormat(obj, depth, indentation) {
var i, len, childDepth, childIndentation, childLines, expansion,
childExpansion;
if (!indentation) {
indentation = "";
}
function formatString(text) {
var lines = splitIntoLines(text);
for (var j = 1, jLen = lines.length; j < jLen; j++) {
lines[j] = indentation + lines[j];
}
return lines.join(newLine);
}
if (obj === null) {
return "null";
} else if (typeof obj == "undefined") {
return "undefined";
} else if (typeof obj == "string") {
return formatString(obj);
} else if (typeof obj == "object" && array_contains(objectsExpanded, obj)) {
try {
expansion = toStr(obj);
} catch (ex) {
expansion = "Error formatting property. Details: " + getExceptionStringRep(ex);
}
return expansion + " [already expanded]";
} else if ((obj instanceof Array) && depth > 0) {
objectsExpanded.push(obj);
expansion = "[" + newLine;
childDepth = depth - 1;
childIndentation = indentation + "  ";
childLines = [];
for (i = 0, len = obj.length; i < len; i++) {
try {
childExpansion = doFormat(obj[i], childDepth, childIndentation);
childLines.push(childIndentation + childExpansion);
} catch (ex) {
childLines.push(childIndentation + "Error formatting array member. Details: " +
getExceptionStringRep(ex) + "");
}
}
expansion += childLines.join("," + newLine) + newLine + indentation + "]";
return expansion;
} else if (Object.prototype.toString.call(obj) == "[object Date]") {
return obj.toString();
} else if (typeof obj == "object" && depth > 0) {
objectsExpanded.push(obj);
expansion = "{" + newLine;
childDepth = depth - 1;
childIndentation = indentation + "  ";
childLines = [];
for (i in obj) {
try {
childExpansion = doFormat(obj[i], childDepth, childIndentation);
childLines.push(childIndentation + i + ": " + childExpansion);
} catch (ex) {
childLines.push(childIndentation + i + ": Error formatting property. Details: " +
getExceptionStringRep(ex));
}
}
expansion += childLines.join("," + newLine) + newLine + indentation + "}";
return expansion;
} else {
return formatString(toStr(obj));
}
}
return doFormat(obj, depth, indentation);
}
/* ---------------------------------------------------------------------- */
// Date-related stuff
var SimpleDateFormat;
(function() {
var regex = /('[^']*')|(G+|y+|M+|w+|W+|D+|d+|F+|E+|a+|H+|k+|K+|h+|m+|s+|S+|Z+)|([a-zA-Z]+)|([^a-zA-Z']+)/;
var monthNames = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"];
var dayNames = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
var TEXT2 = 0, TEXT3 = 1, NUMBER = 2, YEAR = 3, MONTH = 4, TIMEZONE = 5;
var types = {
G : TEXT2,
y : YEAR,
M : MONTH,
w : NUMBER,
W : NUMBER,
D : NUMBER,
d : NUMBER,
F : NUMBER,
E : TEXT3,
a : TEXT2,
H : NUMBER,
k : NUMBER,
K : NUMBER,
h : NUMBER,
m : NUMBER,
s : NUMBER,
S : NUMBER,
Z : TIMEZONE
};
var ONE_DAY = 24 * 60 * 60 * 1000;
var ONE_WEEK = 7 * ONE_DAY;
var DEFAULT_MINIMAL_DAYS_IN_FIRST_WEEK = 1;
var newDateAtMidnight = function(year, month, day) {
var d = new Date(year, month, day, 0, 0, 0);
d.setMilliseconds(0);
return d;
};
Date.prototype.getDifference = function(date) {
return this.getTime() - date.getTime();
};
Date.prototype.isBefore = function(d) {
return this.getTime() < d.getTime();
};
Date.prototype.getUTCTime = function() {
return Date.UTC(this.getFullYear(), this.getMonth(), this.getDate(), this.getHours(), this.getMinutes(),
this.getSeconds(), this.getMilliseconds());
};
Date.prototype.getTimeSince = function(d) {
return this.getUTCTime() - d.getUTCTime();
};
Date.prototype.getPreviousSunday = function() {
// Using midday avoids any possibility of DST messing things up
var midday = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 12, 0, 0);
var previousSunday = new Date(midday.getTime() - this.getDay() * ONE_DAY);
return newDateAtMidnight(previousSunday.getFullYear(), previousSunday.getMonth(),
previousSunday.getDate());
};
Date.prototype.getWeekInYear = function(minimalDaysInFirstWeek) {
if (isUndefined(this.minimalDaysInFirstWeek)) {
minimalDaysInFirstWeek = DEFAULT_MINIMAL_DAYS_IN_FIRST_WEEK;
}
var previousSunday = this.getPreviousSunday();
var startOfYear = newDateAtMidnight(this.getFullYear(), 0, 1);
var numberOfSundays = previousSunday.isBefore(startOfYear) ?
0 : 1 + Math.floor(previousSunday.getTimeSince(startOfYear) / ONE_WEEK);
var numberOfDaysInFirstWeek =  7 - startOfYear.getDay();
var weekInYear = numberOfSundays;
if (numberOfDaysInFirstWeek < minimalDaysInFirstWeek) {
weekInYear--;
}
return weekInYear;
};
Date.prototype.getWeekInMonth = function(minimalDaysInFirstWeek) {
if (isUndefined(this.minimalDaysInFirstWeek)) {
minimalDaysInFirstWeek = DEFAULT_MINIMAL_DAYS_IN_FIRST_WEEK;
}
var previousSunday = this.getPreviousSunday();
var startOfMonth = newDateAtMidnight(this.getFullYear(), this.getMonth(), 1);
var numberOfSundays = previousSunday.isBefore(startOfMonth) ?
0 : 1 + Math.floor(previousSunday.getTimeSince(startOfMonth) / ONE_WEEK);
var numberOfDaysInFirstWeek =  7 - startOfMonth.getDay();
var weekInMonth = numberOfSundays;
if (numberOfDaysInFirstWeek >= minimalDaysInFirstWeek) {
weekInMonth++;
}
return weekInMonth;
};
Date.prototype.getDayInYear = function() {
var startOfYear = newDateAtMidnight(this.getFullYear(), 0, 1);
return 1 + Math.floor(this.getTimeSince(startOfYear) / ONE_DAY);
};
/* ------------------------------------------------------------------ */
SimpleDateFormat = function(formatString) {
this.formatString = formatString;
};
/**
* Sets the minimum number of days in a week in order for that week to
* be considered as belonging to a particular month or year
*/
SimpleDateFormat.prototype.setMinimalDaysInFirstWeek = function(days) {
this.minimalDaysInFirstWeek = days;
};
SimpleDateFormat.prototype.getMinimalDaysInFirstWeek = function() {
return isUndefined(this.minimalDaysInFirstWeek)	?
DEFAULT_MINIMAL_DAYS_IN_FIRST_WEEK : this.minimalDaysInFirstWeek;
};
var padWithZeroes = function(str, len) {
while (str.length < len) {
str = "0" + str;
}
return str;
};
var formatText = function(data, numberOfLetters, minLength) {
return (numberOfLetters >= 4) ? data : data.substr(0, Math.max(minLength, numberOfLetters));
};
var formatNumber = function(data, numberOfLetters) {
var dataString = "" + data;
// Pad with 0s as necessary
return padWithZeroes(dataString, numberOfLetters);
};
SimpleDateFormat.prototype.format = function(date) {
var formattedString = "";
var result;
var searchString = this.formatString;
while ((result = regex.exec(searchString))) {
var quotedString = result[1];
var patternLetters = result[2];
var otherLetters = result[3];
var otherCharacters = result[4];
// If the pattern matched is quoted string, output the text between the quotes
if (quotedString) {
if (quotedString == "''") {
formattedString += "'";
} else {
formattedString += quotedString.substring(1, quotedString.length - 1);
}
} else if (otherLetters) {
// Swallow non-pattern letters by doing nothing here
} else if (otherCharacters) {
// Simply output other characters
formattedString += otherCharacters;
} else if (patternLetters) {
// Replace pattern letters
var patternLetter = patternLetters.charAt(0);
var numberOfLetters = patternLetters.length;
var rawData = "";
switch(patternLetter) {
case "G":
rawData = "AD";
break;
case "y":
rawData = date.getFullYear();
break;
case "M":
rawData = date.getMonth();
break;
case "w":
rawData = date.getWeekInYear(this.getMinimalDaysInFirstWeek());
break;
case "W":
rawData = date.getWeekInMonth(this.getMinimalDaysInFirstWeek());
break;
case "D":
rawData = date.getDayInYear();
break;
case "d":
rawData = date.getDate();
break;
case "F":
rawData = 1 + Math.floor((date.getDate() - 1) / 7);
break;
case "E":
rawData = dayNames[date.getDay()];
break;
case "a":
rawData = (date.getHours() >= 12) ? "PM" : "AM";
break;
case "H":
rawData = date.getHours();
break;
case "k":
rawData = date.getHours() || 24;
break;
case "K":
rawData = date.getHours() % 12;
break;
case "h":
rawData = (date.getHours() % 12) || 12;
break;
case "m":
rawData = date.getMinutes();
break;
case "s":
rawData = date.getSeconds();
break;
case "S":
rawData = date.getMilliseconds();
break;
case "Z":
rawData = date.getTimezoneOffset(); // This returns the number of minutes since GMT was this time.
break;
}
// Format the raw data depending on the type
switch(types[patternLetter]) {
case TEXT2:
formattedString += formatText(rawData, numberOfLetters, 2);
break;
case TEXT3:
formattedString += formatText(rawData, numberOfLetters, 3);
break;
case NUMBER:
formattedString += formatNumber(rawData, numberOfLetters);
break;
case YEAR:
if (numberOfLetters <= 3) {
// Output a 2-digit year
var dataString = "" + rawData;
formattedString += dataString.substr(2, 2);
} else {
formattedString += formatNumber(rawData, numberOfLetters);
}
break;
case MONTH:
if (numberOfLetters >= 3) {
formattedString += formatText(monthNames[rawData], numberOfLetters, numberOfLetters);
} else {
// NB. Months returned by getMonth are zero-based
formattedString += formatNumber(rawData + 1, numberOfLetters);
}
break;
case TIMEZONE:
var isPositive = (rawData > 0);
// The following line looks like a mistake but isn't
// because of the way getTimezoneOffset measures.
var prefix = isPositive ? "-" : "+";
var absData = Math.abs(rawData);
// Hours
var hours = "" + Math.floor(absData / 60);
hours = padWithZeroes(hours, 2);
// Minutes
var minutes = "" + (absData % 60);
minutes = padWithZeroes(minutes, 2);
formattedString += prefix + hours + minutes;
break;
}
}
searchString = searchString.substr(result.index + result[0].length);
}
return formattedString;
};
})();
log4javascript.SimpleDateFormat = SimpleDateFormat;
/* ---------------------------------------------------------------------- */
// PatternLayout
function PatternLayout(pattern) {
if (pattern) {
this.pattern = pattern;
} else {
this.pattern = PatternLayout.DEFAULT_CONVERSION_PATTERN;
}
this.customFields = [];
}
PatternLayout.TTCC_CONVERSION_PATTERN = "%r %p %c - %m%n";
PatternLayout.DEFAULT_CONVERSION_PATTERN = "%m%n";
PatternLayout.ISO8601_DATEFORMAT = "yyyy-MM-dd HH:mm:ss,SSS";
PatternLayout.DATETIME_DATEFORMAT = "dd MMM yyyy HH:mm:ss,SSS";
PatternLayout.ABSOLUTETIME_DATEFORMAT = "HH:mm:ss,SSS";
PatternLayout.prototype = new Layout();
PatternLayout.prototype.format = function(loggingEvent) {
var regex = /%(-?[0-9]+)?(\.?[0-9]+)?([acdfmMnpr%])(\{([^\}]+)\})?|([^%]+)/;
var formattedString = "";
var result;
var searchString = this.pattern;
// Cannot use regex global flag since it doesn't work with exec in IE5
while ((result = regex.exec(searchString))) {
var matchedString = result[0];
var padding = result[1];
var truncation = result[2];
var conversionCharacter = result[3];
var specifier = result[5];
var text = result[6];
// Check if the pattern matched was just normal text
if (text) {
formattedString += "" + text;
} else {
// Create a raw replacement string based on the conversion
// character and specifier
var replacement = "";
switch(conversionCharacter) {
case "a": // Array of messages
case "m": // Message
var depth = 0;
if (specifier) {
depth = parseInt(specifier, 10);
if (isNaN(depth)) {
handleError("PatternLayout.format: invalid specifier '" +
specifier + "' for conversion character '" + conversionCharacter +
"' - should be a number");
depth = 0;
}
}
var messages = (conversionCharacter === "a") ? loggingEvent.messages[0] : loggingEvent.messages;
for (var i = 0, len = messages.length; i < len; i++) {
if (i > 0 && (replacement.charAt(replacement.length - 1) !== " ")) {
replacement += " ";
}
if (depth === 0) {
replacement += messages[i];
} else {
replacement += formatObjectExpansion(messages[i], depth);
}
}
break;
case "c": // Logger name
var loggerName = loggingEvent.logger.name;
if (specifier) {
var precision = parseInt(specifier, 10);
var loggerNameBits = loggingEvent.logger.name.split(".");
if (precision >= loggerNameBits.length) {
replacement = loggerName;
} else {
replacement = loggerNameBits.slice(loggerNameBits.length - precision).join(".");
}
} else {
replacement = loggerName;
}
break;
case "d": // Date
var dateFormat = PatternLayout.ISO8601_DATEFORMAT;
if (specifier) {
dateFormat = specifier;
// Pick up special cases
if (dateFormat == "ISO8601") {
dateFormat = PatternLayout.ISO8601_DATEFORMAT;
} else if (dateFormat == "ABSOLUTE") {
dateFormat = PatternLayout.ABSOLUTETIME_DATEFORMAT;
} else if (dateFormat == "DATE") {
dateFormat = PatternLayout.DATETIME_DATEFORMAT;
}
}
// Format the date
replacement = (new SimpleDateFormat(dateFormat)).format(loggingEvent.timeStamp);
break;
case "f": // Custom field
if (this.hasCustomFields()) {
var fieldIndex = 0;
if (specifier) {
fieldIndex = parseInt(specifier, 10);
if (isNaN(fieldIndex)) {
handleError("PatternLayout.format: invalid specifier '" +
specifier + "' for conversion character 'f' - should be a number");
} else if (fieldIndex === 0) {
handleError("PatternLayout.format: invalid specifier '" +
specifier + "' for conversion character 'f' - must be greater than zero");
} else if (fieldIndex > this.customFields.length) {
handleError("PatternLayout.format: invalid specifier '" +
specifier + "' for conversion character 'f' - there aren't that many custom fields");
} else {
fieldIndex = fieldIndex - 1;
}
}
var val = this.customFields[fieldIndex].value;
if (typeof val == "function") {
val = val(this, loggingEvent);
}
replacement = val;
}
break;
case "n": // New line
replacement = newLine;
break;
case "p": // Level
replacement = loggingEvent.level.name;
break;
case "r": // Milliseconds since log4javascript startup
replacement = "" + loggingEvent.timeStamp.getDifference(applicationStartDate);
break;
case "%": // Literal % sign
replacement = "%";
break;
default:
replacement = matchedString;
break;
}
// Format the replacement according to any padding or
// truncation specified
var l;
// First, truncation
if (truncation) {
l = parseInt(truncation.substr(1), 10);
var strLen = replacement.length;
if (l < strLen) {
replacement = replacement.substring(strLen - l, strLen);
}
}
// Next, padding
if (padding) {
if (padding.charAt(0) == "-") {
l = parseInt(padding.substr(1), 10);
// Right pad with spaces
while (replacement.length < l) {
replacement += " ";
}
} else {
l = parseInt(padding, 10);
// Left pad with spaces
while (replacement.length < l) {
replacement = " " + replacement;
}
}
}
formattedString += replacement;
}
searchString = searchString.substr(result.index + result[0].length);
}
return formattedString;
};
PatternLayout.prototype.ignoresThrowable = function() {
return true;
};
PatternLayout.prototype.toString = function() {
return "PatternLayout";
};
log4javascript.PatternLayout = PatternLayout;
/* ---------------------------------------------------------------------- */
// AlertAppender
function AlertAppender() {}
AlertAppender.prototype = new Appender();
AlertAppender.prototype.layout = new SimpleLayout();
AlertAppender.prototype.append = function(loggingEvent) {
alert( this.getLayout().formatWithException(loggingEvent) );
};
AlertAppender.prototype.toString = function() {
return "AlertAppender";
};
log4javascript.AlertAppender = AlertAppender;
/* ---------------------------------------------------------------------- */
// BrowserConsoleAppender (only works in Opera and Safari and Firefox with
// Firebug extension)
function BrowserConsoleAppender() {}
BrowserConsoleAppender.prototype = new log4javascript.Appender();
BrowserConsoleAppender.prototype.layout = new NullLayout();
BrowserConsoleAppender.prototype.threshold = Level.DEBUG;
BrowserConsoleAppender.prototype.append = function(loggingEvent) {
var appender = this;
var getFormattedMessage = function() {
var formattedMessage = appender.getLayout().formatWithException(loggingEvent);
return (typeof formattedMessage == "string") ? [formattedMessage] : formattedMessage;
};
var console;
if ( (console = window.console) && console.log) { // Safari and Firebug
var formattedMessage = getFormattedMessage();
// Log to Firebug or the browser console using specific logging
// methods or revert to console.log otherwise
var consoleMethodName;
if (console.debug && Level.DEBUG.isGreaterOrEqual(loggingEvent.level)) {
consoleMethodName = "debug";
} else if (console.info && Level.INFO.equals(loggingEvent.level)) {
consoleMethodName = "info";
} else if (console.warn && Level.WARN.equals(loggingEvent.level)) {
consoleMethodName = "warn";
} else if (console.error && loggingEvent.level.isGreaterOrEqual(Level.ERROR)) {
consoleMethodName = "error";
} else {
consoleMethodName = "log";
}
if (console[consoleMethodName].apply) {
console[consoleMethodName].apply(console, formattedMessage);
} else {
console[consoleMethodName](formattedMessage);
}
} else if ((typeof opera != "undefined") && opera.postError) { // Opera
opera.postError(getFormattedMessage());
}
};
BrowserConsoleAppender.prototype.group = function(name) {
if (window.console && window.console.group) {
window.console.group(name);
}
};
BrowserConsoleAppender.prototype.groupEnd = function() {
if (window.console && window.console.groupEnd) {
window.console.groupEnd();
}
};
BrowserConsoleAppender.prototype.toString = function() {
return "BrowserConsoleAppender";
};
log4javascript.BrowserConsoleAppender = BrowserConsoleAppender;
/* ---------------------------------------------------------------------- */
// AjaxAppender related
var xhrFactory = function() { return new XMLHttpRequest(); };
var xmlHttpFactories = [
xhrFactory,
function() { return new ActiveXObject("Msxml2.XMLHTTP"); },
function() { return new ActiveXObject("Microsoft.XMLHTTP"); }
];
var withCredentialsSupported = false;
var getXmlHttp = function(errorHandler) {
// This is only run the first time; the value of getXmlHttp gets
// replaced with the factory that succeeds on the first run
var xmlHttp = null, factory;
for (var i = 0, len = xmlHttpFactories.length; i < len; i++) {
factory = xmlHttpFactories[i];
try {
xmlHttp = factory();
withCredentialsSupported = (factory == xhrFactory && ("withCredentials" in xmlHttp));
getXmlHttp = factory;
return xmlHttp;
} catch (e) {
}
}
// If we're here, all factories have failed, so throw an error
if (errorHandler) {
errorHandler();
} else {
handleError("getXmlHttp: unable to obtain XMLHttpRequest object");
}
};
function isHttpRequestSuccessful(xmlHttp) {
return isUndefined(xmlHttp.status) || xmlHttp.status === 0 ||
(xmlHttp.status >= 200 && xmlHttp.status < 300) ||
xmlHttp.status == 1223 /* Fix for IE */;
}
/* ---------------------------------------------------------------------- */
// AjaxAppender
function AjaxAppender(url, withCredentials) {
var appender = this;
var isSupported = true;
if (!url) {
handleError("AjaxAppender: URL must be specified in constructor");
isSupported = false;
}
var timed = this.defaults.timed;
var waitForResponse = this.defaults.waitForResponse;
var batchSize = this.defaults.batchSize;
var timerInterval = this.defaults.timerInterval;
var requestSuccessCallback = this.defaults.requestSuccessCallback;
var failCallback = this.defaults.failCallback;
var postVarName = this.defaults.postVarName;
var sendAllOnUnload = this.defaults.sendAllOnUnload;
var contentType = this.defaults.contentType;
var sessionId = null;
var queuedLoggingEvents = [];
var queuedRequests = [];
var headers = [];
var sending = false;
var initialized = false;
// Configuration methods. The function scope is used to prevent
// direct alteration to the appender configuration properties.
function checkCanConfigure(configOptionName) {
if (initialized) {
handleError("AjaxAppender: configuration option '" +
configOptionName +
"' may not be set after the appender has been initialized");
return false;
}
return true;
}
this.getSessionId = function() { return sessionId; };
this.setSessionId = function(sessionIdParam) {
sessionId = extractStringFromParam(sessionIdParam, null);
this.layout.setCustomField("sessionid", sessionId);
};
this.setLayout = function(layoutParam) {
if (checkCanConfigure("layout")) {
this.layout = layoutParam;
// Set the session id as a custom field on the layout, if not already present
if (sessionId !== null) {
this.setSessionId(sessionId);
}
}
};
this.isTimed = function() { return timed; };
this.setTimed = function(timedParam) {
if (checkCanConfigure("timed")) {
timed = bool(timedParam);
}
};
this.getTimerInterval = function() { return timerInterval; };
this.setTimerInterval = function(timerIntervalParam) {
if (checkCanConfigure("timerInterval")) {
timerInterval = extractIntFromParam(timerIntervalParam, timerInterval);
}
};
this.isWaitForResponse = function() { return waitForResponse; };
this.setWaitForResponse = function(waitForResponseParam) {
if (checkCanConfigure("waitForResponse")) {
waitForResponse = bool(waitForResponseParam);
}
};
this.getBatchSize = function() { return batchSize; };
this.setBatchSize = function(batchSizeParam) {
if (checkCanConfigure("batchSize")) {
batchSize = extractIntFromParam(batchSizeParam, batchSize);
}
};
this.isSendAllOnUnload = function() { return sendAllOnUnload; };
this.setSendAllOnUnload = function(sendAllOnUnloadParam) {
if (checkCanConfigure("sendAllOnUnload")) {
sendAllOnUnload = extractBooleanFromParam(sendAllOnUnloadParam, sendAllOnUnload);
}
};
this.setRequestSuccessCallback = function(requestSuccessCallbackParam) {
requestSuccessCallback = extractFunctionFromParam(requestSuccessCallbackParam, requestSuccessCallback);
};
this.setFailCallback = function(failCallbackParam) {
failCallback = extractFunctionFromParam(failCallbackParam, failCallback);
};
this.getPostVarName = function() { return postVarName; };
this.setPostVarName = function(postVarNameParam) {
if (checkCanConfigure("postVarName")) {
postVarName = extractStringFromParam(postVarNameParam, postVarName);
}
};
this.getHeaders = function() { return headers; };
this.addHeader = function(name, value) {
if (name.toLowerCase() == "content-type") {
contentType = value;
} else {
headers.push( { name: name, value: value } );
}
};
// Internal functions
function sendAll() {
if (isSupported && enabled) {
sending = true;
var currentRequestBatch;
if (waitForResponse) {
// Send the first request then use this function as the callback once
// the response comes back
if (queuedRequests.length > 0) {
currentRequestBatch = queuedRequests.shift();
sendRequest(preparePostData(currentRequestBatch), sendAll);
} else {
sending = false;
if (timed) {
scheduleSending();
}
}
} else {
// Rattle off all the requests without waiting to see the response
while ((currentRequestBatch = queuedRequests.shift())) {
sendRequest(preparePostData(currentRequestBatch));
}
sending = false;
if (timed) {
scheduleSending();
}
}
}
}
this.sendAll = sendAll;
// Called when the window unloads. At this point we're past caring about
// waiting for responses or timers or incomplete batches - everything
// must go, now
function sendAllRemaining() {
var sendingAnything = false;
if (isSupported && enabled) {
// Create requests for everything left over, batched as normal
var actualBatchSize = appender.getLayout().allowBatching() ? batchSize : 1;
var currentLoggingEvent;
var batchedLoggingEvents = [];
while ((currentLoggingEvent = queuedLoggingEvents.shift())) {
batchedLoggingEvents.push(currentLoggingEvent);
if (queuedLoggingEvents.length >= actualBatchSize) {
// Queue this batch of log entries
queuedRequests.push(batchedLoggingEvents);
batchedLoggingEvents = [];
}
}
// If there's a partially completed batch, add it
if (batchedLoggingEvents.length > 0) {
queuedRequests.push(batchedLoggingEvents);
}
sendingAnything = (queuedRequests.length > 0);
waitForResponse = false;
timed = false;
sendAll();
}
return sendingAnything;
}
this.sendAllRemaining = sendAllRemaining;
function preparePostData(batchedLoggingEvents) {
// Format the logging events
var formattedMessages = [];
var currentLoggingEvent;
var postData = "";
while ((currentLoggingEvent = batchedLoggingEvents.shift())) {
formattedMessages.push( appender.getLayout().formatWithException(currentLoggingEvent) );
}
// Create the post data string
if (batchedLoggingEvents.length == 1) {
postData = formattedMessages.join("");
} else {
postData = appender.getLayout().batchHeader +
formattedMessages.join(appender.getLayout().batchSeparator) +
appender.getLayout().batchFooter;
}
if (contentType == appender.defaults.contentType) {
postData = appender.getLayout().returnsPostData ? postData :
urlEncode(postVarName) + "=" + urlEncode(postData);
// Add the layout name to the post data
if (postData.length > 0) {
postData += "&";
}
postData += "layout=" + urlEncode(appender.getLayout().toString());
}
return postData;
}
function scheduleSending() {
window.setTimeout(sendAll, timerInterval);
}
function xmlHttpErrorHandler() {
var msg = "AjaxAppender: could not create XMLHttpRequest object. AjaxAppender disabled";
handleError(msg);
isSupported = false;
if (failCallback) {
failCallback(msg);
}
}
function sendRequest(postData, successCallback) {
try {
var xmlHttp = getXmlHttp(xmlHttpErrorHandler);
if (isSupported) {
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4) {
if (isHttpRequestSuccessful(xmlHttp)) {
if (requestSuccessCallback) {
requestSuccessCallback(xmlHttp);
}
if (successCallback) {
successCallback(xmlHttp);
}
} else {
var msg = "AjaxAppender.append: XMLHttpRequest request to URL " +
url + " returned status code " + xmlHttp.status;
handleError(msg);
if (failCallback) {
failCallback(msg);
}
}
xmlHttp.onreadystatechange = emptyFunction;
xmlHttp = null;
}
};
xmlHttp.open("POST", url, true);
// Add withCredentials to facilitate CORS requests with cookies
if (withCredentials && withCredentialsSupported) {
xmlHttp.withCredentials = true;
}
try {
for (var i = 0, header; header = headers[i++]; ) {
xmlHttp.setRequestHeader(header.name, header.value);
}
xmlHttp.setRequestHeader("Content-Type", contentType);
} catch (headerEx) {
var msg = "AjaxAppender.append: your browser's XMLHttpRequest implementation" +
" does not support setRequestHeader, therefore cannot post data. AjaxAppender disabled";
handleError(msg);
isSupported = false;
if (failCallback) {
failCallback(msg);
}
return;
}
xmlHttp.send(postData);
}
} catch (ex) {
var errMsg = "AjaxAppender.append: error sending log message to " + url;
handleError(errMsg, ex);
isSupported = false;
if (failCallback) {
failCallback(errMsg + ". Details: " + getExceptionStringRep(ex));
}
}
}
this.append = function(loggingEvent) {
if (isSupported) {
if (!initialized) {
init();
}
queuedLoggingEvents.push(loggingEvent);
var actualBatchSize = this.getLayout().allowBatching() ? batchSize : 1;
if (queuedLoggingEvents.length >= actualBatchSize) {
var currentLoggingEvent;
var batchedLoggingEvents = [];
while ((currentLoggingEvent = queuedLoggingEvents.shift())) {
batchedLoggingEvents.push(currentLoggingEvent);
}
// Queue this batch of log entries
queuedRequests.push(batchedLoggingEvents);
// If using a timer, the queue of requests will be processed by the
// timer function, so nothing needs to be done here.
if (!timed && (!waitForResponse || (waitForResponse && !sending))) {
sendAll();
}
}
}
};
function init() {
initialized = true;
// Add unload event to send outstanding messages
if (sendAllOnUnload) {
var oldBeforeUnload = window.onbeforeunload;
window.onbeforeunload = function() {
if (oldBeforeUnload) {
oldBeforeUnload();
}
sendAllRemaining();
};
}
// Start timer
if (timed) {
scheduleSending();
}
}
}
AjaxAppender.prototype = new Appender();
AjaxAppender.prototype.defaults = {
waitForResponse: false,
timed: false,
timerInterval: 1000,
batchSize: 1,
sendAllOnUnload: false,
requestSuccessCallback: null,
failCallback: null,
postVarName: "data",
contentType: "application/x-www-form-urlencoded"
};
AjaxAppender.prototype.layout = new HttpPostDataLayout();
AjaxAppender.prototype.toString = function() {
return "AjaxAppender";
};
log4javascript.AjaxAppender = AjaxAppender;
/* ---------------------------------------------------------------------- */
// PopUpAppender and InPageAppender related
function setCookie(name, value, days, path) {
var expires;
path = path ? "; path=" + path : "";
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
} else {
expires = "";
}
document.cookie = escape(name) + "=" + escape(value) + expires + path;
}
function getCookie(name) {
var nameEquals = escape(name) + "=";
var ca = document.cookie.split(";");
for (var i = 0, len = ca.length; i < len; i++) {
var c = ca[i];
while (c.charAt(0) === " ") {
c = c.substring(1, c.length);
}
if (c.indexOf(nameEquals) === 0) {
return unescape(c.substring(nameEquals.length, c.length));
}
}
return null;
}
// Gets the base URL of the location of the log4javascript script.
// This is far from infallible.
function getBaseUrl() {
var scripts = document.getElementsByTagName("script");
for (var i = 0, len = scripts.length; i < len; ++i) {
if (scripts[i].src.indexOf("log4javascript") != -1) {
var lastSlash = scripts[i].src.lastIndexOf("/");
return (lastSlash == -1) ? "" : scripts[i].src.substr(0, lastSlash + 1);
}
}
return null;
}
function isLoaded(win) {
try {
return bool(win.loaded);
} catch (ex) {
return false;
}
}
/* ---------------------------------------------------------------------- */
// ConsoleAppender (prototype for PopUpAppender and InPageAppender)
var ConsoleAppender;
// Create an anonymous function to protect base console methods
(function() {
var getConsoleHtmlLines = function() {
return [
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
'<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">',
'	<head>',
'		<title>log4javascript</title>',
'		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />',
'		<!-- Make IE8 behave like IE7, having gone to all the trouble of making IE work -->',
'		<meta http-equiv="X-UA-Compatible" content="IE=7" />',
'		<script type="text/javascript">var isIe = false, isIePre7 = false;</script>',
'		<!--[if IE]><script type="text/javascript">isIe = true</script><![endif]-->',
'		<!--[if lt IE 7]><script type="text/javascript">isIePre7 = true</script><![endif]-->',
'		<script type="text/javascript">',
'			//<![CDATA[',
'			var loggingEnabled = true;',
'			var logQueuedEventsTimer = null;',
'			var logEntries = [];',
'			var logEntriesAndSeparators = [];',
'			var logItems = [];',
'			var renderDelay = 100;',
'			var unrenderedLogItemsExist = false;',
'			var rootGroup, currentGroup = null;',
'			var loaded = false;',
'			var currentLogItem = null;',
'			var logMainContainer;',
'',
'			function copyProperties(obj, props) {',
'				for (var i in props) {',
'					obj[i] = props[i];',
'				}',
'			}',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogItem() {',
'			}',
'',
'			LogItem.prototype = {',
'				mainContainer: null,',
'				wrappedContainer: null,',
'				unwrappedContainer: null,',
'				group: null,',
'',
'				appendToLog: function() {',
'					for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'						this.elementContainers[i].appendToLog();',
'					}',
'					this.group.update();',
'				},',
'',
'				doRemove: function(doUpdate, removeFromGroup) {',
'					if (this.rendered) {',
'						for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'							this.elementContainers[i].remove();',
'						}',
'						this.unwrappedElementContainer = null;',
'						this.wrappedElementContainer = null;',
'						this.mainElementContainer = null;',
'					}',
'					if (this.group && removeFromGroup) {',
'						this.group.removeChild(this, doUpdate);',
'					}',
'					if (this === currentLogItem) {',
'						currentLogItem = null;',
'					}',
'				},',
'',
'				remove: function(doUpdate, removeFromGroup) {',
'					this.doRemove(doUpdate, removeFromGroup);',
'				},',
'',
'				render: function() {},',
'',
'				accept: function(visitor) {',
'					visitor.visit(this);',
'				},',
'',
'				getUnwrappedDomContainer: function() {',
'					return this.group.unwrappedElementContainer.contentDiv;',
'				},',
'',
'				getWrappedDomContainer: function() {',
'					return this.group.wrappedElementContainer.contentDiv;',
'				},',
'',
'				getMainDomContainer: function() {',
'					return this.group.mainElementContainer.contentDiv;',
'				}',
'			};',
'',
'			LogItem.serializedItemKeys = {LOG_ENTRY: 0, GROUP_START: 1, GROUP_END: 2};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogItemContainerElement() {',
'			}',
'',
'			LogItemContainerElement.prototype = {',
'				appendToLog: function() {',
'					var insertBeforeFirst = (newestAtTop && this.containerDomNode.hasChildNodes());',
'					if (insertBeforeFirst) {',
'						this.containerDomNode.insertBefore(this.mainDiv, this.containerDomNode.firstChild);',
'					} else {',
'						this.containerDomNode.appendChild(this.mainDiv);',
'					}',
'				}',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function SeparatorElementContainer(containerDomNode) {',
'				this.containerDomNode = containerDomNode;',
'				this.mainDiv = document.createElement("div");',
'				this.mainDiv.className = "separator";',
'				this.mainDiv.innerHTML = "&nbsp;";',
'			}',
'',
'			SeparatorElementContainer.prototype = new LogItemContainerElement();',
'',
'			SeparatorElementContainer.prototype.remove = function() {',
'				this.mainDiv.parentNode.removeChild(this.mainDiv);',
'				this.mainDiv = null;',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function Separator() {',
'				this.rendered = false;',
'			}',
'',
'			Separator.prototype = new LogItem();',
'',
'			copyProperties(Separator.prototype, {',
'				render: function() {',
'					var containerDomNode = this.group.contentDiv;',
'					if (isIe) {',
'						this.unwrappedElementContainer = new SeparatorElementContainer(this.getUnwrappedDomContainer());',
'						this.wrappedElementContainer = new SeparatorElementContainer(this.getWrappedDomContainer());',
'						this.elementContainers = [this.unwrappedElementContainer, this.wrappedElementContainer];',
'					} else {',
'						this.mainElementContainer = new SeparatorElementContainer(this.getMainDomContainer());',
'						this.elementContainers = [this.mainElementContainer];',
'					}',
'					this.content = this.formattedMessage;',
'					this.rendered = true;',
'				}',
'			});',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function GroupElementContainer(group, containerDomNode, isRoot, isWrapped) {',
'				this.group = group;',
'				this.containerDomNode = containerDomNode;',
'				this.isRoot = isRoot;',
'				this.isWrapped = isWrapped;',
'				this.expandable = false;',
'',
'				if (this.isRoot) {',
'					if (isIe) {',
'						this.contentDiv = logMainContainer.appendChild(document.createElement("div"));',
'						this.contentDiv.id = this.isWrapped ? "log_wrapped" : "log_unwrapped";',
'					} else {',
'						this.contentDiv = logMainContainer;',
'					}',
'				} else {',
'					var groupElementContainer = this;',
'					',
'					this.mainDiv = document.createElement("div");',
'					this.mainDiv.className = "group";',
'',
'					this.headingDiv = this.mainDiv.appendChild(document.createElement("div"));',
'					this.headingDiv.className = "groupheading";',
'',
'					this.expander = this.headingDiv.appendChild(document.createElement("span"));',
'					this.expander.className = "expander unselectable greyedout";',
'					this.expander.unselectable = true;',
'					var expanderText = this.group.expanded ? "-" : "+";',
'					this.expanderTextNode = this.expander.appendChild(document.createTextNode(expanderText));',
'					',
'					this.headingDiv.appendChild(document.createTextNode(" " + this.group.name));',
'',
'					this.contentDiv = this.mainDiv.appendChild(document.createElement("div"));',
'					var contentCssClass = this.group.expanded ? "expanded" : "collapsed";',
'					this.contentDiv.className = "groupcontent " + contentCssClass;',
'',
'					this.expander.onclick = function() {',
'						if (groupElementContainer.group.expandable) {',
'							groupElementContainer.group.toggleExpanded();',
'						}',
'					};',
'				}',
'			}',
'',
'			GroupElementContainer.prototype = new LogItemContainerElement();',
'',
'			copyProperties(GroupElementContainer.prototype, {',
'				toggleExpanded: function() {',
'					if (!this.isRoot) {',
'						var oldCssClass, newCssClass, expanderText;',
'						if (this.group.expanded) {',
'							newCssClass = "expanded";',
'							oldCssClass = "collapsed";',
'							expanderText = "-";',
'						} else {',
'							newCssClass = "collapsed";',
'							oldCssClass = "expanded";',
'							expanderText = "+";',
'						}',
'						replaceClass(this.contentDiv, newCssClass, oldCssClass);',
'						this.expanderTextNode.nodeValue = expanderText;',
'					}',
'				},',
'',
'				remove: function() {',
'					if (!this.isRoot) {',
'						this.headingDiv = null;',
'						this.expander.onclick = null;',
'						this.expander = null;',
'						this.expanderTextNode = null;',
'						this.contentDiv = null;',
'						this.containerDomNode = null;',
'						this.mainDiv.parentNode.removeChild(this.mainDiv);',
'						this.mainDiv = null;',
'					}',
'				},',
'',
'				reverseChildren: function() {',
'					// Invert the order of the log entries',
'					var node = null;',
'',
'					// Remove all the log container nodes',
'					var childDomNodes = [];',
'					while ((node = this.contentDiv.firstChild)) {',
'						this.contentDiv.removeChild(node);',
'						childDomNodes.push(node);',
'					}',
'',
'					// Put them all back in reverse order',
'					while ((node = childDomNodes.pop())) {',
'						this.contentDiv.appendChild(node);',
'					}',
'				},',
'',
'				update: function() {',
'					if (!this.isRoot) {',
'						if (this.group.expandable) {',
'							removeClass(this.expander, "greyedout");',
'						} else {',
'							addClass(this.expander, "greyedout");',
'						}',
'					}',
'				},',
'',
'				clear: function() {',
'					if (this.isRoot) {',
'						this.contentDiv.innerHTML = "";',
'					}',
'				}',
'			});',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function Group(name, isRoot, initiallyExpanded) {',
'				this.name = name;',
'				this.group = null;',
'				this.isRoot = isRoot;',
'				this.initiallyExpanded = initiallyExpanded;',
'				this.elementContainers = [];',
'				this.children = [];',
'				this.expanded = initiallyExpanded;',
'				this.rendered = false;',
'				this.expandable = false;',
'			}',
'',
'			Group.prototype = new LogItem();',
'',
'			copyProperties(Group.prototype, {',
'				addChild: function(logItem) {',
'					this.children.push(logItem);',
'					logItem.group = this;',
'				},',
'',
'				render: function() {',
'					if (isIe) {',
'						var unwrappedDomContainer, wrappedDomContainer;',
'						if (this.isRoot) {',
'							unwrappedDomContainer = logMainContainer;',
'							wrappedDomContainer = logMainContainer;',
'						} else {',
'							unwrappedDomContainer = this.getUnwrappedDomContainer();',
'							wrappedDomContainer = this.getWrappedDomContainer();',
'						}',
'						this.unwrappedElementContainer = new GroupElementContainer(this, unwrappedDomContainer, this.isRoot, false);',
'						this.wrappedElementContainer = new GroupElementContainer(this, wrappedDomContainer, this.isRoot, true);',
'						this.elementContainers = [this.unwrappedElementContainer, this.wrappedElementContainer];',
'					} else {',
'						var mainDomContainer = this.isRoot ? logMainContainer : this.getMainDomContainer();',
'						this.mainElementContainer = new GroupElementContainer(this, mainDomContainer, this.isRoot, false);',
'						this.elementContainers = [this.mainElementContainer];',
'					}',
'					this.rendered = true;',
'				},',
'',
'				toggleExpanded: function() {',
'					this.expanded = !this.expanded;',
'					for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'						this.elementContainers[i].toggleExpanded();',
'					}',
'				},',
'',
'				expand: function() {',
'					if (!this.expanded) {',
'						this.toggleExpanded();',
'					}',
'				},',
'',
'				accept: function(visitor) {',
'					visitor.visitGroup(this);',
'				},',
'',
'				reverseChildren: function() {',
'					if (this.rendered) {',
'						for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'							this.elementContainers[i].reverseChildren();',
'						}',
'					}',
'				},',
'',
'				update: function() {',
'					var previouslyExpandable = this.expandable;',
'					this.expandable = (this.children.length !== 0);',
'					if (this.expandable !== previouslyExpandable) {',
'						for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'							this.elementContainers[i].update();',
'						}',
'					}',
'				},',
'',
'				flatten: function() {',
'					var visitor = new GroupFlattener();',
'					this.accept(visitor);',
'					return visitor.logEntriesAndSeparators;',
'				},',
'',
'				removeChild: function(child, doUpdate) {',
'					array_remove(this.children, child);',
'					child.group = null;',
'					if (doUpdate) {',
'						this.update();',
'					}',
'				},',
'',
'				remove: function(doUpdate, removeFromGroup) {',
'					for (var i = 0, len = this.children.length; i < len; i++) {',
'						this.children[i].remove(false, false);',
'					}',
'					this.children = [];',
'					this.update();',
'					if (this === currentGroup) {',
'						currentGroup = this.group;',
'					}',
'					this.doRemove(doUpdate, removeFromGroup);',
'				},',
'',
'				serialize: function(items) {',
'					items.push([LogItem.serializedItemKeys.GROUP_START, this.name]);',
'					for (var i = 0, len = this.children.length; i < len; i++) {',
'						this.children[i].serialize(items);',
'					}',
'					if (this !== currentGroup) {',
'						items.push([LogItem.serializedItemKeys.GROUP_END]);',
'					}',
'				},',
'',
'				clear: function() {',
'					for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'						this.elementContainers[i].clear();',
'					}',
'				}',
'			});',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogEntryElementContainer() {',
'			}',
'',
'			LogEntryElementContainer.prototype = new LogItemContainerElement();',
'',
'			copyProperties(LogEntryElementContainer.prototype, {',
'				remove: function() {',
'					this.doRemove();',
'				},',
'',
'				doRemove: function() {',
'					this.mainDiv.parentNode.removeChild(this.mainDiv);',
'					this.mainDiv = null;',
'					this.contentElement = null;',
'					this.containerDomNode = null;',
'				},',
'',
'				setContent: function(content, wrappedContent) {',
'					if (content === this.formattedMessage) {',
'						this.contentElement.innerHTML = "";',
'						this.contentElement.appendChild(document.createTextNode(this.formattedMessage));',
'					} else {',
'						this.contentElement.innerHTML = content;',
'					}',
'				},',
'',
'				setSearchMatch: function(isMatch) {',
'					var oldCssClass = isMatch ? "searchnonmatch" : "searchmatch";',
'					var newCssClass = isMatch ? "searchmatch" : "searchnonmatch";',
'					replaceClass(this.mainDiv, newCssClass, oldCssClass);',
'				},',
'',
'				clearSearch: function() {',
'					removeClass(this.mainDiv, "searchmatch");',
'					removeClass(this.mainDiv, "searchnonmatch");',
'				}',
'			});',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogEntryWrappedElementContainer(logEntry, containerDomNode) {',
'				this.logEntry = logEntry;',
'				this.containerDomNode = containerDomNode;',
'				this.mainDiv = document.createElement("div");',
'				this.mainDiv.appendChild(document.createTextNode(this.logEntry.formattedMessage));',
'				this.mainDiv.className = "logentry wrapped " + this.logEntry.level;',
'				this.contentElement = this.mainDiv;',
'			}',
'',
'			LogEntryWrappedElementContainer.prototype = new LogEntryElementContainer();',
'',
'			LogEntryWrappedElementContainer.prototype.setContent = function(content, wrappedContent) {',
'				if (content === this.formattedMessage) {',
'					this.contentElement.innerHTML = "";',
'					this.contentElement.appendChild(document.createTextNode(this.formattedMessage));',
'				} else {',
'					this.contentElement.innerHTML = wrappedContent;',
'				}',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogEntryUnwrappedElementContainer(logEntry, containerDomNode) {',
'				this.logEntry = logEntry;',
'				this.containerDomNode = containerDomNode;',
'				this.mainDiv = document.createElement("div");',
'				this.mainDiv.className = "logentry unwrapped " + this.logEntry.level;',
'				this.pre = this.mainDiv.appendChild(document.createElement("pre"));',
'				this.pre.appendChild(document.createTextNode(this.logEntry.formattedMessage));',
'				this.pre.className = "unwrapped";',
'				this.contentElement = this.pre;',
'			}',
'',
'			LogEntryUnwrappedElementContainer.prototype = new LogEntryElementContainer();',
'',
'			LogEntryUnwrappedElementContainer.prototype.remove = function() {',
'				this.doRemove();',
'				this.pre = null;',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogEntryMainElementContainer(logEntry, containerDomNode) {',
'				this.logEntry = logEntry;',
'				this.containerDomNode = containerDomNode;',
'				this.mainDiv = document.createElement("div");',
'				this.mainDiv.className = "logentry nonielogentry " + this.logEntry.level;',
'				this.contentElement = this.mainDiv.appendChild(document.createElement("span"));',
'				this.contentElement.appendChild(document.createTextNode(this.logEntry.formattedMessage));',
'			}',
'',
'			LogEntryMainElementContainer.prototype = new LogEntryElementContainer();',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogEntry(level, formattedMessage) {',
'				this.level = level;',
'				this.formattedMessage = formattedMessage;',
'				this.rendered = false;',
'			}',
'',
'			LogEntry.prototype = new LogItem();',
'',
'			copyProperties(LogEntry.prototype, {',
'				render: function() {',
'					var logEntry = this;',
'					var containerDomNode = this.group.contentDiv;',
'',
'					// Support for the CSS attribute white-space in IE for Windows is',
'					// non-existent pre version 6 and slightly odd in 6, so instead',
'					// use two different HTML elements',
'					if (isIe) {',
'						this.formattedMessage = this.formattedMessage.replace(/\\r\\n/g, "\\r"); // Workaround for IE\'s treatment of white space',
'						this.unwrappedElementContainer = new LogEntryUnwrappedElementContainer(this, this.getUnwrappedDomContainer());',
'						this.wrappedElementContainer = new LogEntryWrappedElementContainer(this, this.getWrappedDomContainer());',
'						this.elementContainers = [this.unwrappedElementContainer, this.wrappedElementContainer];',
'					} else {',
'						this.mainElementContainer = new LogEntryMainElementContainer(this, this.getMainDomContainer());',
'						this.elementContainers = [this.mainElementContainer];',
'					}',
'					this.content = this.formattedMessage;',
'					this.rendered = true;',
'				},',
'',
'				setContent: function(content, wrappedContent) {',
'					if (content != this.content) {',
'						if (isIe && (content !== this.formattedMessage)) {',
'							content = content.replace(/\\r\\n/g, "\\r"); // Workaround for IE\'s treatment of white space',
'						}',
'						for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'							this.elementContainers[i].setContent(content, wrappedContent);',
'						}',
'						this.content = content;',
'					}',
'				},',
'',
'				getSearchMatches: function() {',
'					var matches = [];',
'					var i, len;',
'					if (isIe) {',
'						var unwrappedEls = getElementsByClass(this.unwrappedElementContainer.mainDiv, "searchterm", "span");',
'						var wrappedEls = getElementsByClass(this.wrappedElementContainer.mainDiv, "searchterm", "span");',
'						for (i = 0, len = unwrappedEls.length; i < len; i++) {',
'							matches[i] = new Match(this.level, null, unwrappedEls[i], wrappedEls[i]);',
'						}',
'					} else {',
'						var els = getElementsByClass(this.mainElementContainer.mainDiv, "searchterm", "span");',
'						for (i = 0, len = els.length; i < len; i++) {',
'							matches[i] = new Match(this.level, els[i]);',
'						}',
'					}',
'					return matches;',
'				},',
'',
'				setSearchMatch: function(isMatch) {',
'					for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'						this.elementContainers[i].setSearchMatch(isMatch);',
'					}',
'				},',
'',
'				clearSearch: function() {',
'					for (var i = 0, len = this.elementContainers.length; i < len; i++) {',
'						this.elementContainers[i].clearSearch();',
'					}',
'				},',
'',
'				accept: function(visitor) {',
'					visitor.visitLogEntry(this);',
'				},',
'',
'				serialize: function(items) {',
'					items.push([LogItem.serializedItemKeys.LOG_ENTRY, this.level, this.formattedMessage]);',
'				}',
'			});',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogItemVisitor() {',
'			}',
'',
'			LogItemVisitor.prototype = {',
'				visit: function(logItem) {',
'				},',
'',
'				visitParent: function(logItem) {',
'					if (logItem.group) {',
'						logItem.group.accept(this);',
'					}',
'				},',
'',
'				visitChildren: function(logItem) {',
'					for (var i = 0, len = logItem.children.length; i < len; i++) {',
'						logItem.children[i].accept(this);',
'					}',
'				},',
'',
'				visitLogEntry: function(logEntry) {',
'					this.visit(logEntry);',
'				},',
'',
'				visitSeparator: function(separator) {',
'					this.visit(separator);',
'				},',
'',
'				visitGroup: function(group) {',
'					this.visit(group);',
'				}',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function GroupFlattener() {',
'				this.logEntriesAndSeparators = [];',
'			}',
'',
'			GroupFlattener.prototype = new LogItemVisitor();',
'',
'			GroupFlattener.prototype.visitGroup = function(group) {',
'				this.visitChildren(group);',
'			};',
'',
'			GroupFlattener.prototype.visitLogEntry = function(logEntry) {',
'				this.logEntriesAndSeparators.push(logEntry);',
'			};',
'',
'			GroupFlattener.prototype.visitSeparator = function(separator) {',
'				this.logEntriesAndSeparators.push(separator);',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			window.onload = function() {',
'				// Sort out document.domain',
'				if (location.search) {',
'					var queryBits = unescape(location.search).substr(1).split("&"), nameValueBits;',
'					for (var i = 0, len = queryBits.length; i < len; i++) {',
'						nameValueBits = queryBits[i].split("=");',
'						if (nameValueBits[0] == "log4javascript_domain") {',
'							document.domain = nameValueBits[1];',
'							break;',
'						}',
'					}',
'				}',
'',
'				// Create DOM objects',
'				logMainContainer = $("log");',
'				if (isIePre7) {',
'					addClass(logMainContainer, "oldIe");',
'				}',
'',
'				rootGroup = new Group("root", true);',
'				rootGroup.render();',
'				currentGroup = rootGroup;',
'				',
'				setCommandInputWidth();',
'				setLogContainerHeight();',
'				toggleLoggingEnabled();',
'				toggleSearchEnabled();',
'				toggleSearchFilter();',
'				toggleSearchHighlight();',
'				applyFilters();',
'				checkAllLevels();',
'				toggleWrap();',
'				toggleNewestAtTop();',
'				toggleScrollToLatest();',
'				renderQueuedLogItems();',
'				loaded = true;',
'				$("command").value = "";',
'				$("command").autocomplete = "off";',
'				$("command").onkeydown = function(evt) {',
'					evt = getEvent(evt);',
'					if (evt.keyCode == 10 || evt.keyCode == 13) { // Return/Enter',
'						evalCommandLine();',
'						stopPropagation(evt);',
'					} else if (evt.keyCode == 27) { // Escape',
'						this.value = "";',
'						this.focus();',
'					} else if (evt.keyCode == 38 && commandHistory.length > 0) { // Up',
'						currentCommandIndex = Math.max(0, currentCommandIndex - 1);',
'						this.value = commandHistory[currentCommandIndex];',
'						moveCaretToEnd(this);',
'					} else if (evt.keyCode == 40 && commandHistory.length > 0) { // Down',
'						currentCommandIndex = Math.min(commandHistory.length - 1, currentCommandIndex + 1);',
'						this.value = commandHistory[currentCommandIndex];',
'						moveCaretToEnd(this);',
'					}',
'				};',
'',
'				// Prevent the keypress moving the caret in Firefox',
'				$("command").onkeypress = function(evt) {',
'					evt = getEvent(evt);',
'					if (evt.keyCode == 38 && commandHistory.length > 0 && evt.preventDefault) { // Up',
'						evt.preventDefault();',
'					}',
'				};',
'',
'				// Prevent the keyup event blurring the input in Opera',
'				$("command").onkeyup = function(evt) {',
'					evt = getEvent(evt);',
'					if (evt.keyCode == 27 && evt.preventDefault) { // Up',
'						evt.preventDefault();',
'						this.focus();',
'					}',
'				};',
'',
'				// Add document keyboard shortcuts',
'				document.onkeydown = function keyEventHandler(evt) {',
'					evt = getEvent(evt);',
'					switch (evt.keyCode) {',
'						case 69: // Ctrl + shift + E: re-execute last command',
'							if (evt.shiftKey && (evt.ctrlKey || evt.metaKey)) {',
'								evalLastCommand();',
'								cancelKeyEvent(evt);',
'								return false;',
'							}',
'							break;',
'						case 75: // Ctrl + shift + K: focus search',
'							if (evt.shiftKey && (evt.ctrlKey || evt.metaKey)) {',
'								focusSearch();',
'								cancelKeyEvent(evt);',
'								return false;',
'							}',
'							break;',
'						case 40: // Ctrl + shift + down arrow: focus command line',
'						case 76: // Ctrl + shift + L: focus command line',
'							if (evt.shiftKey && (evt.ctrlKey || evt.metaKey)) {',
'								focusCommandLine();',
'								cancelKeyEvent(evt);',
'								return false;',
'							}',
'							break;',
'					}',
'				};',
'',
'				// Workaround to make sure log div starts at the correct size',
'				setTimeout(setLogContainerHeight, 20);',
'',
'				setShowCommandLine(showCommandLine);',
'				doSearch();',
'			};',
'',
'			window.onunload = function() {',
'				if (mainWindowExists()) {',
'					appender.unload();',
'				}',
'				appender = null;',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function toggleLoggingEnabled() {',
'				setLoggingEnabled($("enableLogging").checked);',
'			}',
'',
'			function setLoggingEnabled(enable) {',
'				loggingEnabled = enable;',
'			}',
'',
'			var appender = null;',
'',
'			function setAppender(appenderParam) {',
'				appender = appenderParam;',
'			}',
'',
'			function setShowCloseButton(showCloseButton) {',
'				$("closeButton").style.display = showCloseButton ? "inline" : "none";',
'			}',
'',
'			function setShowHideButton(showHideButton) {',
'				$("hideButton").style.display = showHideButton ? "inline" : "none";',
'			}',
'',
'			var newestAtTop = false;',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function LogItemContentReverser() {',
'			}',
'			',
'			LogItemContentReverser.prototype = new LogItemVisitor();',
'			',
'			LogItemContentReverser.prototype.visitGroup = function(group) {',
'				group.reverseChildren();',
'				this.visitChildren(group);',
'			};',
'',
'			/*----------------------------------------------------------------*/',
'',
'			function setNewestAtTop(isNewestAtTop) {',
'				var oldNewestAtTop = newestAtTop;',
'				var i, iLen, j, jLen;',
'				newestAtTop = Boolean(isNewestAtTop);',
'				if (oldNewestAtTop != newestAtTop) {',
'					var visitor = new LogItemContentReverser();',
'					rootGroup.accept(visitor);',
'',
'					// Reassemble the matches array',
'					if (currentSearch) {',
'						var currentMatch = currentSearch.matches[currentMatchIndex];',
'						var matchIndex = 0;',
'						var matches = [];',
'						var actOnLogEntry = function(logEntry) {',
'							var logEntryMatches = logEntry.getSearchMatches();',
'							for (j = 0, jLen = logEntryMatches.length; j < jLen; j++) {',
'								matches[matchIndex] = logEntryMatches[j];',
'								if (currentMatch && logEntryMatches[j].equals(currentMatch)) {',
'									currentMatchIndex = matchIndex;',
'								}',
'								matchIndex++;',
'							}',
'						};',
'						if (newestAtTop) {',
'							for (i = logEntries.length - 1; i >= 0; i--) {',
'								actOnLogEntry(logEntries[i]);',
'							}',
'						} else {',
'							for (i = 0, iLen = logEntries.length; i < iLen; i++) {',
'								actOnLogEntry(logEntries[i]);',
'							}',
'						}',
'						currentSearch.matches = matches;',
'						if (currentMatch) {',
'							currentMatch.setCurrent();',
'						}',
'					} else if (scrollToLatest) {',
'						doScrollToLatest();',
'					}',
'				}',
'				$("newestAtTop").checked = isNewestAtTop;',
'			}',
'',
'			function toggleNewestAtTop() {',
'				var isNewestAtTop = $("newestAtTop").checked;',
'				setNewestAtTop(isNewestAtTop);',
'			}',
'',
'			var scrollToLatest = true;',
'',
'			function setScrollToLatest(isScrollToLatest) {',
'				scrollToLatest = isScrollToLatest;',
'				if (scrollToLatest) {',
'					doScrollToLatest();',
'				}',
'				$("scrollToLatest").checked = isScrollToLatest;',
'			}',
'',
'			function toggleScrollToLatest() {',
'				var isScrollToLatest = $("scrollToLatest").checked;',
'				setScrollToLatest(isScrollToLatest);',
'			}',
'',
'			function doScrollToLatest() {',
'				var l = logMainContainer;',
'				if (typeof l.scrollTop != "undefined") {',
'					if (newestAtTop) {',
'						l.scrollTop = 0;',
'					} else {',
'						var latestLogEntry = l.lastChild;',
'						if (latestLogEntry) {',
'							l.scrollTop = l.scrollHeight;',
'						}',
'					}',
'				}',
'			}',
'',
'			var closeIfOpenerCloses = true;',
'',
'			function setCloseIfOpenerCloses(isCloseIfOpenerCloses) {',
'				closeIfOpenerCloses = isCloseIfOpenerCloses;',
'			}',
'',
'			var maxMessages = null;',
'',
'			function setMaxMessages(max) {',
'				maxMessages = max;',
'				pruneLogEntries();',
'			}',
'',
'			var showCommandLine = false;',
'',
'			function setShowCommandLine(isShowCommandLine) {',
'				showCommandLine = isShowCommandLine;',
'				if (loaded) {',
'					$("commandLine").style.display = showCommandLine ? "block" : "none";',
'					setCommandInputWidth();',
'					setLogContainerHeight();',
'				}',
'			}',
'',
'			function focusCommandLine() {',
'				if (loaded) {',
'					$("command").focus();',
'				}',
'			}',
'',
'			function focusSearch() {',
'				if (loaded) {',
'					$("searchBox").focus();',
'				}',
'			}',
'',
'			function getLogItems() {',
'				var items = [];',
'				for (var i = 0, len = logItems.length; i < len; i++) {',
'					logItems[i].serialize(items);',
'				}',
'				return items;',
'			}',
'',
'			function setLogItems(items) {',
'				var loggingReallyEnabled = loggingEnabled;',
'				// Temporarily turn logging on',
'				loggingEnabled = true;',
'				for (var i = 0, len = items.length; i < len; i++) {',
'					switch (items[i][0]) {',
'						case LogItem.serializedItemKeys.LOG_ENTRY:',
'							log(items[i][1], items[i][2]);',
'							break;',
'						case LogItem.serializedItemKeys.GROUP_START:',
'							group(items[i][1]);',
'							break;',
'						case LogItem.serializedItemKeys.GROUP_END:',
'							groupEnd();',
'							break;',
'					}',
'				}',
'				loggingEnabled = loggingReallyEnabled;',
'			}',
'',
'			function log(logLevel, formattedMessage) {',
'				if (loggingEnabled) {',
'					var logEntry = new LogEntry(logLevel, formattedMessage);',
'					logEntries.push(logEntry);',
'					logEntriesAndSeparators.push(logEntry);',
'					logItems.push(logEntry);',
'					currentGroup.addChild(logEntry);',
'					if (loaded) {',
'						if (logQueuedEventsTimer !== null) {',
'							clearTimeout(logQueuedEventsTimer);',
'						}',
'						logQueuedEventsTimer = setTimeout(renderQueuedLogItems, renderDelay);',
'						unrenderedLogItemsExist = true;',
'					}',
'				}',
'			}',
'',
'			function renderQueuedLogItems() {',
'				logQueuedEventsTimer = null;',
'				var pruned = pruneLogEntries();',
'',
'				// Render any unrendered log entries and apply the current search to them',
'				var initiallyHasMatches = currentSearch ? currentSearch.hasMatches() : false;',
'				for (var i = 0, len = logItems.length; i < len; i++) {',
'					if (!logItems[i].rendered) {',
'						logItems[i].render();',
'						logItems[i].appendToLog();',
'						if (currentSearch && (logItems[i] instanceof LogEntry)) {',
'							currentSearch.applyTo(logItems[i]);',
'						}',
'					}',
'				}',
'				if (currentSearch) {',
'					if (pruned) {',
'						if (currentSearch.hasVisibleMatches()) {',
'							if (currentMatchIndex === null) {',
'								setCurrentMatchIndex(0);',
'							}',
'							displayMatches();',
'						} else {',
'							displayNoMatches();',
'						}',
'					} else if (!initiallyHasMatches && currentSearch.hasVisibleMatches()) {',
'						setCurrentMatchIndex(0);',
'						displayMatches();',
'					}',
'				}',
'				if (scrollToLatest) {',
'					doScrollToLatest();',
'				}',
'				unrenderedLogItemsExist = false;',
'			}',
'',
'			function pruneLogEntries() {',
'				if ((maxMessages !== null) && (logEntriesAndSeparators.length > maxMessages)) {',
'					var numberToDelete = logEntriesAndSeparators.length - maxMessages;',
'					var prunedLogEntries = logEntriesAndSeparators.slice(0, numberToDelete);',
'					if (currentSearch) {',
'						currentSearch.removeMatches(prunedLogEntries);',
'					}',
'					var group;',
'					for (var i = 0; i < numberToDelete; i++) {',
'						group = logEntriesAndSeparators[i].group;',
'						array_remove(logItems, logEntriesAndSeparators[i]);',
'						array_remove(logEntries, logEntriesAndSeparators[i]);',
'						logEntriesAndSeparators[i].remove(true, true);',
'						if (group.children.length === 0 && group !== currentGroup && group !== rootGroup) {',
'							array_remove(logItems, group);',
'							group.remove(true, true);',
'						}',
'					}',
'					logEntriesAndSeparators = array_removeFromStart(logEntriesAndSeparators, numberToDelete);',
'					return true;',
'				}',
'				return false;',
'			}',
'',
'			function group(name, startExpanded) {',
'				if (loggingEnabled) {',
'					initiallyExpanded = (typeof startExpanded === "undefined") ? true : Boolean(startExpanded);',
'					var newGroup = new Group(name, false, initiallyExpanded);',
'					currentGroup.addChild(newGroup);',
'					currentGroup = newGroup;',
'					logItems.push(newGroup);',
'					if (loaded) {',
'						if (logQueuedEventsTimer !== null) {',
'							clearTimeout(logQueuedEventsTimer);',
'						}',
'						logQueuedEventsTimer = setTimeout(renderQueuedLogItems, renderDelay);',
'						unrenderedLogItemsExist = true;',
'					}',
'				}',
'			}',
'',
'			function groupEnd() {',
'				currentGroup = (currentGroup === rootGroup) ? rootGroup : currentGroup.group;',
'			}',
'',
'			function mainPageReloaded() {',
'				currentGroup = rootGroup;',
'				var separator = new Separator();',
'				logEntriesAndSeparators.push(separator);',
'				logItems.push(separator);',
'				currentGroup.addChild(separator);',
'			}',
'',
'			function closeWindow() {',
'				if (appender && mainWindowExists()) {',
'					appender.close(true);',
'				} else {',
'					window.close();',
'				}',
'			}',
'',
'			function hide() {',
'				if (appender && mainWindowExists()) {',
'					appender.hide();',
'				}',
'			}',
'',
'			var mainWindow = window;',
'			var windowId = "log4javascriptConsoleWindow_" + new Date().getTime() + "_" + ("" + Math.random()).substr(2);',
'',
'			function setMainWindow(win) {',
'				mainWindow = win;',
'				mainWindow[windowId] = window;',
'				// If this is a pop-up, poll the opener to see if it\'s closed',
'				if (opener && closeIfOpenerCloses) {',
'					pollOpener();',
'				}',
'			}',
'',
'			function pollOpener() {',
'				if (closeIfOpenerCloses) {',
'					if (mainWindowExists()) {',
'						setTimeout(pollOpener, 500);',
'					} else {',
'						closeWindow();',
'					}',
'				}',
'			}',
'',
'			function mainWindowExists() {',
'				try {',
'					return (mainWindow && !mainWindow.closed &&',
'						mainWindow[windowId] == window);',
'				} catch (ex) {}',
'				return false;',
'			}',
'',
'			var logLevels = ["TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"];',
'',
'			function getCheckBox(logLevel) {',
'				return $("switch_" + logLevel);',
'			}',
'',
'			function getIeWrappedLogContainer() {',
'				return $("log_wrapped");',
'			}',
'',
'			function getIeUnwrappedLogContainer() {',
'				return $("log_unwrapped");',
'			}',
'',
'			function applyFilters() {',
'				for (var i = 0; i < logLevels.length; i++) {',
'					if (getCheckBox(logLevels[i]).checked) {',
'						addClass(logMainContainer, logLevels[i]);',
'					} else {',
'						removeClass(logMainContainer, logLevels[i]);',
'					}',
'				}',
'				updateSearchFromFilters();',
'			}',
'',
'			function toggleAllLevels() {',
'				var turnOn = $("switch_ALL").checked;',
'				for (var i = 0; i < logLevels.length; i++) {',
'					getCheckBox(logLevels[i]).checked = turnOn;',
'					if (turnOn) {',
'						addClass(logMainContainer, logLevels[i]);',
'					} else {',
'						removeClass(logMainContainer, logLevels[i]);',
'					}',
'				}',
'			}',
'',
'			function checkAllLevels() {',
'				for (var i = 0; i < logLevels.length; i++) {',
'					if (!getCheckBox(logLevels[i]).checked) {',
'						getCheckBox("ALL").checked = false;',
'						return;',
'					}',
'				}',
'				getCheckBox("ALL").checked = true;',
'			}',
'',
'			function clearLog() {',
'				rootGroup.clear();',
'				currentGroup = rootGroup;',
'				logEntries = [];',
'				logItems = [];',
'				logEntriesAndSeparators = [];',
' 				doSearch();',
'			}',
'',
'			function toggleWrap() {',
'				var enable = $("wrap").checked;',
'				if (enable) {',
'					addClass(logMainContainer, "wrap");',
'				} else {',
'					removeClass(logMainContainer, "wrap");',
'				}',
'				refreshCurrentMatch();',
'			}',
'',
'			/* ------------------------------------------------------------------- */',
'',
'			// Search',
'',
'			var searchTimer = null;',
'',
'			function scheduleSearch() {',
'				try {',
'					clearTimeout(searchTimer);',
'				} catch (ex) {',
'					// Do nothing',
'				}',
'				searchTimer = setTimeout(doSearch, 500);',
'			}',
'',
'			function Search(searchTerm, isRegex, searchRegex, isCaseSensitive) {',
'				this.searchTerm = searchTerm;',
'				this.isRegex = isRegex;',
'				this.searchRegex = searchRegex;',
'				this.isCaseSensitive = isCaseSensitive;',
'				this.matches = [];',
'			}',
'',
'			Search.prototype = {',
'				hasMatches: function() {',
'					return this.matches.length > 0;',
'				},',
'',
'				hasVisibleMatches: function() {',
'					if (this.hasMatches()) {',
'						for (var i = 0; i < this.matches.length; i++) {',
'							if (this.matches[i].isVisible()) {',
'								return true;',
'							}',
'						}',
'					}',
'					return false;',
'				},',
'',
'				match: function(logEntry) {',
'					var entryText = String(logEntry.formattedMessage);',
'					var matchesSearch = false;',
'					if (this.isRegex) {',
'						matchesSearch = this.searchRegex.test(entryText);',
'					} else if (this.isCaseSensitive) {',
'						matchesSearch = (entryText.indexOf(this.searchTerm) > -1);',
'					} else {',
'						matchesSearch = (entryText.toLowerCase().indexOf(this.searchTerm.toLowerCase()) > -1);',
'					}',
'					return matchesSearch;',
'				},',
'',
'				getNextVisibleMatchIndex: function() {',
'					for (var i = currentMatchIndex + 1; i < this.matches.length; i++) {',
'						if (this.matches[i].isVisible()) {',
'							return i;',
'						}',
'					}',
'					// Start again from the first match',
'					for (i = 0; i <= currentMatchIndex; i++) {',
'						if (this.matches[i].isVisible()) {',
'							return i;',
'						}',
'					}',
'					return -1;',
'				},',
'',
'				getPreviousVisibleMatchIndex: function() {',
'					for (var i = currentMatchIndex - 1; i >= 0; i--) {',
'						if (this.matches[i].isVisible()) {',
'							return i;',
'						}',
'					}',
'					// Start again from the last match',
'					for (var i = this.matches.length - 1; i >= currentMatchIndex; i--) {',
'						if (this.matches[i].isVisible()) {',
'							return i;',
'						}',
'					}',
'					return -1;',
'				},',
'',
'				applyTo: function(logEntry) {',
'					var doesMatch = this.match(logEntry);',
'					if (doesMatch) {',
'						logEntry.group.expand();',
'						logEntry.setSearchMatch(true);',
'						var logEntryContent;',
'						var wrappedLogEntryContent;',
'						var searchTermReplacementStartTag = "<span class=\\\"searchterm\\\">";',
'						var searchTermReplacementEndTag = "<" + "/span>";',
'						var preTagName = isIe ? "pre" : "span";',
'						var preStartTag = "<" + preTagName + " class=\\\"pre\\\">";',
'						var preEndTag = "<" + "/" + preTagName + ">";',
'						var startIndex = 0;',
'						var searchIndex, matchedText, textBeforeMatch;',
'						if (this.isRegex) {',
'							var flags = this.isCaseSensitive ? "g" : "gi";',
'							var capturingRegex = new RegExp("(" + this.searchRegex.source + ")", flags);',
'',
'							// Replace the search term with temporary tokens for the start and end tags',
'							var rnd = ("" + Math.random()).substr(2);',
'							var startToken = "%%s" + rnd + "%%";',
'							var endToken = "%%e" + rnd + "%%";',
'							logEntryContent = logEntry.formattedMessage.replace(capturingRegex, startToken + "$1" + endToken);',
'',
'							// Escape the HTML to get rid of angle brackets',
'							logEntryContent = escapeHtml(logEntryContent);',
'',
'							// Substitute the proper HTML back in for the search match',
'							var result;',
'							var searchString = logEntryContent;',
'							logEntryContent = "";',
'							wrappedLogEntryContent = "";',
'							while ((searchIndex = searchString.indexOf(startToken, startIndex)) > -1) {',
'								var endTokenIndex = searchString.indexOf(endToken, searchIndex);',
'								matchedText = searchString.substring(searchIndex + startToken.length, endTokenIndex);',
'								textBeforeMatch = searchString.substring(startIndex, searchIndex);',
'								logEntryContent += preStartTag + textBeforeMatch + preEndTag;',
'								logEntryContent += searchTermReplacementStartTag + preStartTag + matchedText +',
'									preEndTag + searchTermReplacementEndTag;',
'								if (isIe) {',
'									wrappedLogEntryContent += textBeforeMatch + searchTermReplacementStartTag +',
'										matchedText + searchTermReplacementEndTag;',
'								}',
'								startIndex = endTokenIndex + endToken.length;',
'							}',
'							logEntryContent += preStartTag + searchString.substr(startIndex) + preEndTag;',
'							if (isIe) {',
'								wrappedLogEntryContent += searchString.substr(startIndex);',
'							}',
'						} else {',
'							logEntryContent = "";',
'							wrappedLogEntryContent = "";',
'							var searchTermReplacementLength = searchTermReplacementStartTag.length +',
'								this.searchTerm.length + searchTermReplacementEndTag.length;',
'							var searchTermLength = this.searchTerm.length;',
'							var searchTermLowerCase = this.searchTerm.toLowerCase();',
'							var logTextLowerCase = logEntry.formattedMessage.toLowerCase();',
'							while ((searchIndex = logTextLowerCase.indexOf(searchTermLowerCase, startIndex)) > -1) {',
'								matchedText = escapeHtml(logEntry.formattedMessage.substr(searchIndex, this.searchTerm.length));',
'								textBeforeMatch = escapeHtml(logEntry.formattedMessage.substring(startIndex, searchIndex));',
'								var searchTermReplacement = searchTermReplacementStartTag +',
'									preStartTag + matchedText + preEndTag + searchTermReplacementEndTag;',
'								logEntryContent += preStartTag + textBeforeMatch + preEndTag + searchTermReplacement;',
'								if (isIe) {',
'									wrappedLogEntryContent += textBeforeMatch + searchTermReplacementStartTag +',
'										matchedText + searchTermReplacementEndTag;',
'								}',
'								startIndex = searchIndex + searchTermLength;',
'							}',
'							var textAfterLastMatch = escapeHtml(logEntry.formattedMessage.substr(startIndex));',
'							logEntryContent += preStartTag + textAfterLastMatch + preEndTag;',
'							if (isIe) {',
'								wrappedLogEntryContent += textAfterLastMatch;',
'							}',
'						}',
'						logEntry.setContent(logEntryContent, wrappedLogEntryContent);',
'						var logEntryMatches = logEntry.getSearchMatches();',
'						this.matches = this.matches.concat(logEntryMatches);',
'					} else {',
'						logEntry.setSearchMatch(false);',
'						logEntry.setContent(logEntry.formattedMessage, logEntry.formattedMessage);',
'					}',
'					return doesMatch;',
'				},',
'',
'				removeMatches: function(logEntries) {',
'					var matchesToRemoveCount = 0;',
'					var currentMatchRemoved = false;',
'					var matchesToRemove = [];',
'					var i, iLen, j, jLen;',
'',
'					// Establish the list of matches to be removed',
'					for (i = 0, iLen = this.matches.length; i < iLen; i++) {',
'						for (j = 0, jLen = logEntries.length; j < jLen; j++) {',
'							if (this.matches[i].belongsTo(logEntries[j])) {',
'								matchesToRemove.push(this.matches[i]);',
'								if (i === currentMatchIndex) {',
'									currentMatchRemoved = true;',
'								}',
'							}',
'						}',
'					}',
'',
'					// Set the new current match index if the current match has been deleted',
'					// This will be the first match that appears after the first log entry being',
'					// deleted, if one exists; otherwise, it\'s the first match overall',
'					var newMatch = currentMatchRemoved ? null : this.matches[currentMatchIndex];',
'					if (currentMatchRemoved) {',
'						for (i = currentMatchIndex, iLen = this.matches.length; i < iLen; i++) {',
'							if (this.matches[i].isVisible() && !array_contains(matchesToRemove, this.matches[i])) {',
'								newMatch = this.matches[i];',
'								break;',
'							}',
'						}',
'					}',
'',
'					// Remove the matches',
'					for (i = 0, iLen = matchesToRemove.length; i < iLen; i++) {',
'						array_remove(this.matches, matchesToRemove[i]);',
'						matchesToRemove[i].remove();',
'					}',
'',
'					// Set the new match, if one exists',
'					if (this.hasVisibleMatches()) {',
'						if (newMatch === null) {',
'							setCurrentMatchIndex(0);',
'						} else {',
'							// Get the index of the new match',
'							var newMatchIndex = 0;',
'							for (i = 0, iLen = this.matches.length; i < iLen; i++) {',
'								if (newMatch === this.matches[i]) {',
'									newMatchIndex = i;',
'									break;',
'								}',
'							}',
'							setCurrentMatchIndex(newMatchIndex);',
'						}',
'					} else {',
'						currentMatchIndex = null;',
'						displayNoMatches();',
'					}',
'				}',
'			};',
'',
'			function getPageOffsetTop(el, container) {',
'				var currentEl = el;',
'				var y = 0;',
'				while (currentEl && currentEl != container) {',
'					y += currentEl.offsetTop;',
'					currentEl = currentEl.offsetParent;',
'				}',
'				return y;',
'			}',
'',
'			function scrollIntoView(el) {',
'				var logContainer = logMainContainer;',
'				// Check if the whole width of the element is visible and centre if not',
'				if (!$("wrap").checked) {',
'					var logContainerLeft = logContainer.scrollLeft;',
'					var logContainerRight = logContainerLeft  + logContainer.offsetWidth;',
'					var elLeft = el.offsetLeft;',
'					var elRight = elLeft + el.offsetWidth;',
'					if (elLeft < logContainerLeft || elRight > logContainerRight) {',
'						logContainer.scrollLeft = elLeft - (logContainer.offsetWidth - el.offsetWidth) / 2;',
'					}',
'				}',
'				// Check if the whole height of the element is visible and centre if not',
'				var logContainerTop = logContainer.scrollTop;',
'				var logContainerBottom = logContainerTop  + logContainer.offsetHeight;',
'				var elTop = getPageOffsetTop(el) - getToolBarsHeight();',
'				var elBottom = elTop + el.offsetHeight;',
'				if (elTop < logContainerTop || elBottom > logContainerBottom) {',
'					logContainer.scrollTop = elTop - (logContainer.offsetHeight - el.offsetHeight) / 2;',
'				}',
'			}',
'',
'			function Match(logEntryLevel, spanInMainDiv, spanInUnwrappedPre, spanInWrappedDiv) {',
'				this.logEntryLevel = logEntryLevel;',
'				this.spanInMainDiv = spanInMainDiv;',
'				if (isIe) {',
'					this.spanInUnwrappedPre = spanInUnwrappedPre;',
'					this.spanInWrappedDiv = spanInWrappedDiv;',
'				}',
'				this.mainSpan = isIe ? spanInUnwrappedPre : spanInMainDiv;',
'			}',
'',
'			Match.prototype = {',
'				equals: function(match) {',
'					return this.mainSpan === match.mainSpan;',
'				},',
'',
'				setCurrent: function() {',
'					if (isIe) {',
'						addClass(this.spanInUnwrappedPre, "currentmatch");',
'						addClass(this.spanInWrappedDiv, "currentmatch");',
'						// Scroll the visible one into view',
'						var elementToScroll = $("wrap").checked ? this.spanInWrappedDiv : this.spanInUnwrappedPre;',
'						scrollIntoView(elementToScroll);',
'					} else {',
'						addClass(this.spanInMainDiv, "currentmatch");',
'						scrollIntoView(this.spanInMainDiv);',
'					}',
'				},',
'',
'				belongsTo: function(logEntry) {',
'					if (isIe) {',
'						return isDescendant(this.spanInUnwrappedPre, logEntry.unwrappedPre);',
'					} else {',
'						return isDescendant(this.spanInMainDiv, logEntry.mainDiv);',
'					}',
'				},',
'',
'				setNotCurrent: function() {',
'					if (isIe) {',
'						removeClass(this.spanInUnwrappedPre, "currentmatch");',
'						removeClass(this.spanInWrappedDiv, "currentmatch");',
'					} else {',
'						removeClass(this.spanInMainDiv, "currentmatch");',
'					}',
'				},',
'',
'				isOrphan: function() {',
'					return isOrphan(this.mainSpan);',
'				},',
'',
'				isVisible: function() {',
'					return getCheckBox(this.logEntryLevel).checked;',
'				},',
'',
'				remove: function() {',
'					if (isIe) {',
'						this.spanInUnwrappedPre = null;',
'						this.spanInWrappedDiv = null;',
'					} else {',
'						this.spanInMainDiv = null;',
'					}',
'				}',
'			};',
'',
'			var currentSearch = null;',
'			var currentMatchIndex = null;',
'',
'			function doSearch() {',
'				var searchBox = $("searchBox");',
'				var searchTerm = searchBox.value;',
'				var isRegex = $("searchRegex").checked;',
'				var isCaseSensitive = $("searchCaseSensitive").checked;',
'				var i;',
'',
'				if (searchTerm === "") {',
'					$("searchReset").disabled = true;',
'					$("searchNav").style.display = "none";',
'					removeClass(document.body, "searching");',
'					removeClass(searchBox, "hasmatches");',
'					removeClass(searchBox, "nomatches");',
'					for (i = 0; i < logEntries.length; i++) {',
'						logEntries[i].clearSearch();',
'						logEntries[i].setContent(logEntries[i].formattedMessage, logEntries[i].formattedMessage);',
'					}',
'					currentSearch = null;',
'					setLogContainerHeight();',
'				} else {',
'					$("searchReset").disabled = false;',
'					$("searchNav").style.display = "block";',
'					var searchRegex;',
'					var regexValid;',
'					if (isRegex) {',
'						try {',
'							searchRegex = isCaseSensitive ? new RegExp(searchTerm, "g") : new RegExp(searchTerm, "gi");',
'							regexValid = true;',
'							replaceClass(searchBox, "validregex", "invalidregex");',
'							searchBox.title = "Valid regex";',
'						} catch (ex) {',
'							regexValid = false;',
'							replaceClass(searchBox, "invalidregex", "validregex");',
'							searchBox.title = "Invalid regex: " + (ex.message ? ex.message : (ex.description ? ex.description : "unknown error"));',
'							return;',
'						}',
'					} else {',
'						searchBox.title = "";',
'						removeClass(searchBox, "validregex");',
'						removeClass(searchBox, "invalidregex");',
'					}',
'					addClass(document.body, "searching");',
'					currentSearch = new Search(searchTerm, isRegex, searchRegex, isCaseSensitive);',
'					for (i = 0; i < logEntries.length; i++) {',
'						currentSearch.applyTo(logEntries[i]);',
'					}',
'					setLogContainerHeight();',
'',
'					// Highlight the first search match',
'					if (currentSearch.hasVisibleMatches()) {',
'						setCurrentMatchIndex(0);',
'						displayMatches();',
'					} else {',
'						displayNoMatches();',
'					}',
'				}',
'			}',
'',
'			function updateSearchFromFilters() {',
'				if (currentSearch) {',
'					if (currentSearch.hasMatches()) {',
'						if (currentMatchIndex === null) {',
'							currentMatchIndex = 0;',
'						}',
'						var currentMatch = currentSearch.matches[currentMatchIndex];',
'						if (currentMatch.isVisible()) {',
'							displayMatches();',
'							setCurrentMatchIndex(currentMatchIndex);',
'						} else {',
'							currentMatch.setNotCurrent();',
'							// Find the next visible match, if one exists',
'							var nextVisibleMatchIndex = currentSearch.getNextVisibleMatchIndex();',
'							if (nextVisibleMatchIndex > -1) {',
'								setCurrentMatchIndex(nextVisibleMatchIndex);',
'								displayMatches();',
'							} else {',
'								displayNoMatches();',
'							}',
'						}',
'					} else {',
'						displayNoMatches();',
'					}',
'				}',
'			}',
'',
'			function refreshCurrentMatch() {',
'				if (currentSearch && currentSearch.hasVisibleMatches()) {',
'					setCurrentMatchIndex(currentMatchIndex);',
'				}',
'			}',
'',
'			function displayMatches() {',
'				replaceClass($("searchBox"), "hasmatches", "nomatches");',
'				$("searchBox").title = "" + currentSearch.matches.length + " matches found";',
'				$("searchNav").style.display = "block";',
'				setLogContainerHeight();',
'			}',
'',
'			function displayNoMatches() {',
'				replaceClass($("searchBox"), "nomatches", "hasmatches");',
'				$("searchBox").title = "No matches found";',
'				$("searchNav").style.display = "none";',
'				setLogContainerHeight();',
'			}',
'',
'			function toggleSearchEnabled(enable) {',
'				enable = (typeof enable == "undefined") ? !$("searchDisable").checked : enable;',
'				$("searchBox").disabled = !enable;',
'				$("searchReset").disabled = !enable;',
'				$("searchRegex").disabled = !enable;',
'				$("searchNext").disabled = !enable;',
'				$("searchPrevious").disabled = !enable;',
'				$("searchCaseSensitive").disabled = !enable;',
'				$("searchNav").style.display = (enable && ($("searchBox").value !== "") &&',
'						currentSearch && currentSearch.hasVisibleMatches()) ?',
'					"block" : "none";',
'				if (enable) {',
'					removeClass($("search"), "greyedout");',
'					addClass(document.body, "searching");',
'					if ($("searchHighlight").checked) {',
'						addClass(logMainContainer, "searchhighlight");',
'					} else {',
'						removeClass(logMainContainer, "searchhighlight");',
'					}',
'					if ($("searchFilter").checked) {',
'						addClass(logMainContainer, "searchfilter");',
'					} else {',
'						removeClass(logMainContainer, "searchfilter");',
'					}',
'					$("searchDisable").checked = !enable;',
'				} else {',
'					addClass($("search"), "greyedout");',
'					removeClass(document.body, "searching");',
'					removeClass(logMainContainer, "searchhighlight");',
'					removeClass(logMainContainer, "searchfilter");',
'				}',
'				setLogContainerHeight();',
'			}',
'',
'			function toggleSearchFilter() {',
'				var enable = $("searchFilter").checked;',
'				if (enable) {',
'					addClass(logMainContainer, "searchfilter");',
'				} else {',
'					removeClass(logMainContainer, "searchfilter");',
'				}',
'				refreshCurrentMatch();',
'			}',
'',
'			function toggleSearchHighlight() {',
'				var enable = $("searchHighlight").checked;',
'				if (enable) {',
'					addClass(logMainContainer, "searchhighlight");',
'				} else {',
'					removeClass(logMainContainer, "searchhighlight");',
'				}',
'			}',
'',
'			function clearSearch() {',
'				$("searchBox").value = "";',
'				doSearch();',
'			}',
'',
'			function searchNext() {',
'				if (currentSearch !== null && currentMatchIndex !== null) {',
'					currentSearch.matches[currentMatchIndex].setNotCurrent();',
'					var nextMatchIndex = currentSearch.getNextVisibleMatchIndex();',
'					if (nextMatchIndex > currentMatchIndex || confirm("Reached the end of the page. Start from the top?")) {',
'						setCurrentMatchIndex(nextMatchIndex);',
'					}',
'				}',
'			}',
'',
'			function searchPrevious() {',
'				if (currentSearch !== null && currentMatchIndex !== null) {',
'					currentSearch.matches[currentMatchIndex].setNotCurrent();',
'					var previousMatchIndex = currentSearch.getPreviousVisibleMatchIndex();',
'					if (previousMatchIndex < currentMatchIndex || confirm("Reached the start of the page. Continue from the bottom?")) {',
'						setCurrentMatchIndex(previousMatchIndex);',
'					}',
'				}',
'			}',
'',
'			function setCurrentMatchIndex(index) {',
'				currentMatchIndex = index;',
'				currentSearch.matches[currentMatchIndex].setCurrent();',
'			}',
'',
'			/* ------------------------------------------------------------------------- */',
'',
'			// CSS Utilities',
'',
'			function addClass(el, cssClass) {',
'				if (!hasClass(el, cssClass)) {',
'					if (el.className) {',
'						el.className += " " + cssClass;',
'					} else {',
'						el.className = cssClass;',
'					}',
'				}',
'			}',
'',
'			function hasClass(el, cssClass) {',
'				if (el.className) {',
'					var classNames = el.className.split(" ");',
'					return array_contains(classNames, cssClass);',
'				}',
'				return false;',
'			}',
'',
'			function removeClass(el, cssClass) {',
'				if (hasClass(el, cssClass)) {',
'					// Rebuild the className property',
'					var existingClasses = el.className.split(" ");',
'					var newClasses = [];',
'					for (var i = 0, len = existingClasses.length; i < len; i++) {',
'						if (existingClasses[i] != cssClass) {',
'							newClasses[newClasses.length] = existingClasses[i];',
'						}',
'					}',
'					el.className = newClasses.join(" ");',
'				}',
'			}',
'',
'			function replaceClass(el, newCssClass, oldCssClass) {',
'				removeClass(el, oldCssClass);',
'				addClass(el, newCssClass);',
'			}',
'',
'			/* ------------------------------------------------------------------------- */',
'',
'			// Other utility functions',
'',
'			function getElementsByClass(el, cssClass, tagName) {',
'				var elements = el.getElementsByTagName(tagName);',
'				var matches = [];',
'				for (var i = 0, len = elements.length; i < len; i++) {',
'					if (hasClass(elements[i], cssClass)) {',
'						matches.push(elements[i]);',
'					}',
'				}',
'				return matches;',
'			}',
'',
'			// Syntax borrowed from Prototype library',
'			function $(id) {',
'				return document.getElementById(id);',
'			}',
'',
'			function isDescendant(node, ancestorNode) {',
'				while (node != null) {',
'					if (node === ancestorNode) {',
'						return true;',
'					}',
'					node = node.parentNode;',
'				}',
'				return false;',
'			}',
'',
'			function isOrphan(node) {',
'				var currentNode = node;',
'				while (currentNode) {',
'					if (currentNode == document.body) {',
'						return false;',
'					}',
'					currentNode = currentNode.parentNode;',
'				}',
'				return true;',
'			}',
'',
'			function escapeHtml(str) {',
'				return str.replace(/&/g, "&amp;").replace(/[<]/g, "&lt;").replace(/>/g, "&gt;");',
'			}',
'',
'			function getWindowWidth() {',
'				if (window.innerWidth) {',
'					return window.innerWidth;',
'				} else if (document.documentElement && document.documentElement.clientWidth) {',
'					return document.documentElement.clientWidth;',
'				} else if (document.body) {',
'					return document.body.clientWidth;',
'				}',
'				return 0;',
'			}',
'',
'			function getWindowHeight() {',
'				if (window.innerHeight) {',
'					return window.innerHeight;',
'				} else if (document.documentElement && document.documentElement.clientHeight) {',
'					return document.documentElement.clientHeight;',
'				} else if (document.body) {',
'					return document.body.clientHeight;',
'				}',
'				return 0;',
'			}',
'',
'			function getToolBarsHeight() {',
'				return $("switches").offsetHeight;',
'			}',
'',
'			function getChromeHeight() {',
'				var height = getToolBarsHeight();',
'				if (showCommandLine) {',
'					height += $("commandLine").offsetHeight;',
'				}',
'				return height;',
'			}',
'',
'			function setLogContainerHeight() {',
'				if (logMainContainer) {',
'					var windowHeight = getWindowHeight();',
'					$("body").style.height = getWindowHeight() + "px";',
'					logMainContainer.style.height = "" +',
'						Math.max(0, windowHeight - getChromeHeight()) + "px";',
'				}',
'			}',
'',
'			function setCommandInputWidth() {',
'				if (showCommandLine) {',
'					$("command").style.width = "" + Math.max(0, $("commandLineContainer").offsetWidth -',
'						($("evaluateButton").offsetWidth + 13)) + "px";',
'				}',
'			}',
'',
'			window.onresize = function() {',
'				setCommandInputWidth();',
'				setLogContainerHeight();',
'			};',
'',
'			if (!Array.prototype.push) {',
'				Array.prototype.push = function() {',
'			        for (var i = 0, len = arguments.length; i < len; i++){',
'			            this[this.length] = arguments[i];',
'			        }',
'			        return this.length;',
'				};',
'			}',
'',
'			if (!Array.prototype.pop) {',
'				Array.prototype.pop = function() {',
'					if (this.length > 0) {',
'						var val = this[this.length - 1];',
'						this.length = this.length - 1;',
'						return val;',
'					}',
'				};',
'			}',
'',
'			if (!Array.prototype.shift) {',
'				Array.prototype.shift = function() {',
'					if (this.length > 0) {',
'						var firstItem = this[0];',
'						for (var i = 0, len = this.length - 1; i < len; i++) {',
'							this[i] = this[i + 1];',
'						}',
'						this.length = this.length - 1;',
'						return firstItem;',
'					}',
'				};',
'			}',
'',
'			if (!Array.prototype.splice) {',
'				Array.prototype.splice = function(startIndex, deleteCount) {',
'					var itemsAfterDeleted = this.slice(startIndex + deleteCount);',
'					var itemsDeleted = this.slice(startIndex, startIndex + deleteCount);',
'					this.length = startIndex;',
'					// Copy the arguments into a proper Array object',
'					var argumentsArray = [];',
'					for (var i = 0, len = arguments.length; i < len; i++) {',
'						argumentsArray[i] = arguments[i];',
'					}',
'					var itemsToAppend = (argumentsArray.length > 2) ?',
'						itemsAfterDeleted = argumentsArray.slice(2).concat(itemsAfterDeleted) : itemsAfterDeleted;',
'					for (i = 0, len = itemsToAppend.length; i < len; i++) {',
'						this.push(itemsToAppend[i]);',
'					}',
'					return itemsDeleted;',
'				};',
'			}',
'',
'			function array_remove(arr, val) {',
'				var index = -1;',
'				for (var i = 0, len = arr.length; i < len; i++) {',
'					if (arr[i] === val) {',
'						index = i;',
'						break;',
'					}',
'				}',
'				if (index >= 0) {',
'					arr.splice(index, 1);',
'					return index;',
'				} else {',
'					return false;',
'				}',
'			}',
'',
'			function array_removeFromStart(array, numberToRemove) {',
'				if (Array.prototype.splice) {',
'					array.splice(0, numberToRemove);',
'				} else {',
'					for (var i = numberToRemove, len = array.length; i < len; i++) {',
'						array[i - numberToRemove] = array[i];',
'					}',
'					array.length = array.length - numberToRemove;',
'				}',
'				return array;',
'			}',
'',
'			function array_contains(arr, val) {',
'				for (var i = 0, len = arr.length; i < len; i++) {',
'					if (arr[i] == val) {',
'						return true;',
'					}',
'				}',
'				return false;',
'			}',
'',
'			function getErrorMessage(ex) {',
'				if (ex.message) {',
'					return ex.message;',
'				} else if (ex.description) {',
'					return ex.description;',
'				}',
'				return "" + ex;',
'			}',
'',
'			function moveCaretToEnd(input) {',
'				if (input.setSelectionRange) {',
'					input.focus();',
'					var length = input.value.length;',
'					input.setSelectionRange(length, length);',
'				} else if (input.createTextRange) {',
'					var range = input.createTextRange();',
'					range.collapse(false);',
'					range.select();',
'				}',
'				input.focus();',
'			}',
'',
'			function stopPropagation(evt) {',
'				if (evt.stopPropagation) {',
'					evt.stopPropagation();',
'				} else if (typeof evt.cancelBubble != "undefined") {',
'					evt.cancelBubble = true;',
'				}',
'			}',
'',
'			function getEvent(evt) {',
'				return evt ? evt : event;',
'			}',
'',
'			function getTarget(evt) {',
'				return evt.target ? evt.target : evt.srcElement;',
'			}',
'',
'			function getRelatedTarget(evt) {',
'				if (evt.relatedTarget) {',
'					return evt.relatedTarget;',
'				} else if (evt.srcElement) {',
'					switch(evt.type) {',
'						case "mouseover":',
'							return evt.fromElement;',
'						case "mouseout":',
'							return evt.toElement;',
'						default:',
'							return evt.srcElement;',
'					}',
'				}',
'			}',
'',
'			function cancelKeyEvent(evt) {',
'				evt.returnValue = false;',
'				stopPropagation(evt);',
'			}',
'',
'			function evalCommandLine() {',
'				var expr = $("command").value;',
'				evalCommand(expr);',
'				$("command").value = "";',
'			}',
'',
'			function evalLastCommand() {',
'				if (lastCommand != null) {',
'					evalCommand(lastCommand);',
'				}',
'			}',
'',
'			var lastCommand = null;',
'			var commandHistory = [];',
'			var currentCommandIndex = 0;',
'',
'			function evalCommand(expr) {',
'				if (appender) {',
'					appender.evalCommandAndAppend(expr);',
'				} else {',
'					var prefix = ">>> " + expr + "\\r\\n";',
'					try {',
'						log("INFO", prefix + eval(expr));',
'					} catch (ex) {',
'						log("ERROR", prefix + "Error: " + getErrorMessage(ex));',
'					}',
'				}',
'				// Update command history',
'				if (expr != commandHistory[commandHistory.length - 1]) {',
'					commandHistory.push(expr);',
'					// Update the appender',
'					if (appender) {',
'						appender.storeCommandHistory(commandHistory);',
'					}',
'				}',
'				currentCommandIndex = (expr == commandHistory[currentCommandIndex]) ? currentCommandIndex + 1 : commandHistory.length;',
'				lastCommand = expr;',
'			}',
'			//]]>',
'		</script>',
'		<style type="text/css">',
'			body {',
'				background-color: white;',
'				color: black;',
'				padding: 0;',
'				margin: 0;',
'				font-family: tahoma, verdana, arial, helvetica, sans-serif;',
'				overflow: hidden;',
'				-webkit-touch-callout: none;',
'				-webkit-user-select: none;',
'				-khtml-user-select: none;',
'				-moz-user-select: none;',
'				-ms-user-select: none;',
'				user-select: none;',
'			}',
'',
'			div#switchesContainer input {',
'				margin-bottom: 0;',
'			}',
'',
'			div.toolbar {',
'				border-top: solid #ffffff 1px;',
'				border-bottom: solid #aca899 1px;',
'				background-color: #f1efe7;',
'				padding: 3px 5px;',
'				font-size: 68.75%;',
'			}',
'',
'			div.toolbar, div#search input {',
'				font-family: tahoma, verdana, arial, helvetica, sans-serif;',
'			}',
'',
'			div.toolbar input.button {',
'				padding: 0 5px;',
'				font-size: 100%;',
'			}',
'',
'			div.toolbar input.hidden {',
'				display: none;',
'			}',
'',
'			div#switches input#clearButton {',
'				margin-left: 20px;',
'			}',
'',
'			div#levels label {',
'				font-weight: bold;',
'			}',
'',
'			div#levels label, div#options label {',
'				margin-right: 5px;',
'			}',
'',
'			div#levels label#wrapLabel {',
'				font-weight: normal;',
'			}',
'',
'			div#search label {',
'				margin-right: 10px;',
'			}',
'',
'			div#search label.searchboxlabel {',
'				margin-right: 0;',
'			}',
'',
'			div#search input {',
'				font-size: 100%;',
'			}',
'',
'			div#search input.validregex {',
'				color: green;',
'			}',
'',
'			div#search input.invalidregex {',
'				color: red;',
'			}',
'',
'			div#search input.nomatches {',
'				color: white;',
'				background-color: #ff6666;',
'			}',
'',
'			div#search input.nomatches {',
'				color: white;',
'				background-color: #ff6666;',
'			}',
'',
'			div#searchNav {',
'				display: none;',
'			}',
'',
'			div#commandLine {',
'				display: none;',
'			}',
'',
'			div#commandLine input#command {',
'				font-size: 100%;',
'				font-family: Courier New, Courier;',
'			}',
'',
'			div#commandLine input#evaluateButton {',
'			}',
'',
'			*.greyedout {',
'				color: gray !important;',
'				border-color: gray !important;',
'			}',
'',
'			*.greyedout *.alwaysenabled { color: black; }',
'',
'			*.unselectable {',
'				-khtml-user-select: none;',
'				-moz-user-select: none;',
'				user-select: none;',
'			}',
'',
'			div#log {',
'				font-family: Courier New, Courier;',
'				font-size: 75%;',
'				width: 100%;',
'				overflow: auto;',
'				clear: both;',
'				position: relative;',
'				-webkit-touch-callout: text;',
'				-webkit-user-select: text;',
'				-khtml-user-select: text;',
'				-moz-user-select: text;',
'				-ms-user-select: text;',
'				user-select: text;',
'			}',
'',
'			div.group {',
'				border-color: #cccccc;',
'				border-style: solid;',
'				border-width: 1px 0 1px 1px;',
'				overflow: visible;',
'			}',
'',
'			div.oldIe div.group, div.oldIe div.group *, div.oldIe *.logentry {',
'				height: 1%;',
'			}',
'',
'			div.group div.groupheading span.expander {',
'				border: solid black 1px;',
'				font-family: Courier New, Courier;',
'				font-size: 0.833em;',
'				background-color: #eeeeee;',
'				position: relative;',
'				top: -1px;',
'				color: black;',
'				padding: 0 2px;',
'				cursor: pointer;',
'				cursor: hand;',
'				height: 1%;',
'			}',
'',
'			div.group div.groupcontent {',
'				margin-left: 10px;',
'				padding-bottom: 2px;',
'				overflow: visible;',
'			}',
'',
'			div.group div.expanded {',
'				display: block;',
'			}',
'',
'			div.group div.collapsed {',
'				display: none;',
'			}',
'',
'			*.logentry {',
'				overflow: visible;',
'				display: none;',
'				white-space: pre;',
'			}',
'',
'			span.pre {',
'				white-space: pre;',
'			}',
'			',
'			pre.unwrapped {',
'				display: inline !important;',
'			}',
'',
'			pre.unwrapped pre.pre, div.wrapped pre.pre {',
'				display: inline;',
'			}',
'',
'			div.wrapped pre.pre {',
'				white-space: normal;',
'			}',
'',
'			div.wrapped {',
'				display: none;',
'			}',
'',
'			body.searching *.logentry span.currentmatch {',
'				color: white !important;',
'				background-color: green !important;',
'			}',
'',
'			body.searching div.searchhighlight *.logentry span.searchterm {',
'				color: black;',
'				background-color: yellow;',
'			}',
'',
'			div.wrap *.logentry {',
'				white-space: normal !important;',
'				border-width: 0 0 1px 0;',
'				border-color: #dddddd;',
'				border-style: dotted;',
'			}',
'',
'			div.wrap #log_wrapped, #log_unwrapped {',
'				display: block;',
'			}',
'',
'			div.wrap #log_unwrapped, #log_wrapped {',
'				display: none;',
'			}',
'',
'			div.wrap *.logentry span.pre {',
'				overflow: visible;',
'				white-space: normal;',
'			}',
'',
'			div.wrap *.logentry pre.unwrapped {',
'				display: none;',
'			}',
'',
'			div.wrap *.logentry span.wrapped {',
'				display: inline;',
'			}',
'',
'			div.searchfilter *.searchnonmatch {',
'				display: none !important;',
'			}',
'',
'			div#log *.TRACE, label#label_TRACE {',
'				color: #666666;',
'			}',
'',
'			div#log *.DEBUG, label#label_DEBUG {',
'				color: green;',
'			}',
'',
'			div#log *.INFO, label#label_INFO {',
'				color: #000099;',
'			}',
'',
'			div#log *.WARN, label#label_WARN {',
'				color: #999900;',
'			}',
'',
'			div#log *.ERROR, label#label_ERROR {',
'				color: red;',
'			}',
'',
'			div#log *.FATAL, label#label_FATAL {',
'				color: #660066;',
'			}',
'',
'			div.TRACE#log *.TRACE,',
'			div.DEBUG#log *.DEBUG,',
'			div.INFO#log *.INFO,',
'			div.WARN#log *.WARN,',
'			div.ERROR#log *.ERROR,',
'			div.FATAL#log *.FATAL {',
'				display: block;',
'			}',
'',
'			div#log div.separator {',
'				background-color: #cccccc;',
'				margin: 5px 0;',
'				line-height: 1px;',
'			}',
'		</style>',
'	</head>',
'',
'	<body id="body">',
'		<div id="switchesContainer">',
'			<div id="switches">',
'				<div id="levels" class="toolbar">',
'					Filters:',
'					<input type="checkbox" id="switch_TRACE" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide trace messages" /><label for="switch_TRACE" id="label_TRACE">trace</label>',
'					<input type="checkbox" id="switch_DEBUG" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide debug messages" /><label for="switch_DEBUG" id="label_DEBUG">debug</label>',
'					<input type="checkbox" id="switch_INFO" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide info messages" /><label for="switch_INFO" id="label_INFO">info</label>',
'					<input type="checkbox" id="switch_WARN" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide warn messages" /><label for="switch_WARN" id="label_WARN">warn</label>',
'					<input type="checkbox" id="switch_ERROR" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide error messages" /><label for="switch_ERROR" id="label_ERROR">error</label>',
'					<input type="checkbox" id="switch_FATAL" onclick="applyFilters(); checkAllLevels()" checked="checked" title="Show/hide fatal messages" /><label for="switch_FATAL" id="label_FATAL">fatal</label>',
'					<input type="checkbox" id="switch_ALL" onclick="toggleAllLevels(); applyFilters()" checked="checked" title="Show/hide all messages" /><label for="switch_ALL" id="label_ALL">all</label>',
'				</div>',
'				<div id="search" class="toolbar">',
'					<label for="searchBox" class="searchboxlabel">Search:</label> <input type="text" id="searchBox" onclick="toggleSearchEnabled(true)" onkeyup="scheduleSearch()" size="20" />',
'					<input type="button" id="searchReset" disabled="disabled" value="Reset" onclick="clearSearch()" class="button" title="Reset the search" />',
'					<input type="checkbox" id="searchRegex" onclick="doSearch()" title="If checked, search is treated as a regular expression" /><label for="searchRegex">Regex</label>',
'					<input type="checkbox" id="searchCaseSensitive" onclick="doSearch()" title="If checked, search is case sensitive" /><label for="searchCaseSensitive">Match case</label>',
'					<input type="checkbox" id="searchDisable" onclick="toggleSearchEnabled()" title="Enable/disable search" /><label for="searchDisable" class="alwaysenabled">Disable</label>',
'					<div id="searchNav">',
'						<input type="button" id="searchNext" disabled="disabled" value="Next" onclick="searchNext()" class="button" title="Go to the next matching log entry" />',
'						<input type="button" id="searchPrevious" disabled="disabled" value="Previous" onclick="searchPrevious()" class="button" title="Go to the previous matching log entry" />',
'						<input type="checkbox" id="searchFilter" onclick="toggleSearchFilter()" title="If checked, non-matching log entries are filtered out" /><label for="searchFilter">Filter</label>',
'						<input type="checkbox" id="searchHighlight" onclick="toggleSearchHighlight()" title="Highlight matched search terms" /><label for="searchHighlight" class="alwaysenabled">Highlight all</label>',
'					</div>',
'				</div>',
'				<div id="options" class="toolbar">',
'					Options:',
'					<input type="checkbox" id="enableLogging" onclick="toggleLoggingEnabled()" checked="checked" title="Enable/disable logging" /><label for="enableLogging" id="enableLoggingLabel">Log</label>',
'					<input type="checkbox" id="wrap" onclick="toggleWrap()" title="Enable / disable word wrap" /><label for="wrap" id="wrapLabel">Wrap</label>',
'					<input type="checkbox" id="newestAtTop" onclick="toggleNewestAtTop()" title="If checked, causes newest messages to appear at the top" /><label for="newestAtTop" id="newestAtTopLabel">Newest at the top</label>',
'					<input type="checkbox" id="scrollToLatest" onclick="toggleScrollToLatest()" checked="checked" title="If checked, window automatically scrolls to a new message when it is added" /><label for="scrollToLatest" id="scrollToLatestLabel">Scroll to latest</label>',
'					<input type="button" id="clearButton" value="Clear" onclick="clearLog()" class="button" title="Clear all log messages"  />',
'					<input type="button" id="hideButton" value="Hide" onclick="hide()" class="hidden button" title="Hide the console" />',
'					<input type="button" id="closeButton" value="Close" onclick="closeWindow()" class="hidden button" title="Close the window" />',
'				</div>',
'			</div>',
'		</div>',
'		<div id="log" class="TRACE DEBUG INFO WARN ERROR FATAL"></div>',
'		<div id="commandLine" class="toolbar">',
'			<div id="commandLineContainer">',
'				<input type="text" id="command" title="Enter a JavaScript command here and hit return or press \'Evaluate\'" />',
'				<input type="button" id="evaluateButton" value="Evaluate" class="button" title="Evaluate the command" onclick="evalCommandLine()" />',
'			</div>',
'		</div>',
'	</body>',
'</html>',
''
];
};
var defaultCommandLineFunctions = [];
ConsoleAppender = function() {};
var consoleAppenderIdCounter = 1;
ConsoleAppender.prototype = new Appender();
ConsoleAppender.prototype.create = function(inPage, container,
lazyInit, initiallyMinimized, useDocumentWrite, width, height, focusConsoleWindow) {
var appender = this;
// Common properties
var initialized = false;
var consoleWindowCreated = false;
var consoleWindowLoaded = false;
var consoleClosed = false;
var queuedLoggingEvents = [];
var isSupported = true;
var consoleAppenderId = consoleAppenderIdCounter++;
// Local variables
initiallyMinimized = extractBooleanFromParam(initiallyMinimized, this.defaults.initiallyMinimized);
lazyInit = extractBooleanFromParam(lazyInit, this.defaults.lazyInit);
useDocumentWrite = extractBooleanFromParam(useDocumentWrite, this.defaults.useDocumentWrite);
var newestMessageAtTop = this.defaults.newestMessageAtTop;
var scrollToLatestMessage = this.defaults.scrollToLatestMessage;
width = width ? width : this.defaults.width;
height = height ? height : this.defaults.height;
var maxMessages = this.defaults.maxMessages;
var showCommandLine = this.defaults.showCommandLine;
var commandLineObjectExpansionDepth = this.defaults.commandLineObjectExpansionDepth;
var showHideButton = this.defaults.showHideButton;
var showCloseButton = this.defaults.showCloseButton;
this.setLayout(this.defaults.layout);
// Functions whose implementations vary between subclasses
var init, createWindow, safeToAppend, getConsoleWindow, open;
// Configuration methods. The function scope is used to prevent
// direct alteration to the appender configuration properties.
var appenderName = inPage ? "InPageAppender" : "PopUpAppender";
var checkCanConfigure = function(configOptionName) {
if (consoleWindowCreated) {
handleError(appenderName + ": configuration option '" + configOptionName + "' may not be set after the appender has been initialized");
return false;
}
return true;
};
var consoleWindowExists = function() {
return (consoleWindowLoaded && isSupported && !consoleClosed);
};
this.isNewestMessageAtTop = function() { return newestMessageAtTop; };
this.setNewestMessageAtTop = function(newestMessageAtTopParam) {
newestMessageAtTop = bool(newestMessageAtTopParam);
if (consoleWindowExists()) {
getConsoleWindow().setNewestAtTop(newestMessageAtTop);
}
};
this.isScrollToLatestMessage = function() { return scrollToLatestMessage; };
this.setScrollToLatestMessage = function(scrollToLatestMessageParam) {
scrollToLatestMessage = bool(scrollToLatestMessageParam);
if (consoleWindowExists()) {
getConsoleWindow().setScrollToLatest(scrollToLatestMessage);
}
};
this.getWidth = function() { return width; };
this.setWidth = function(widthParam) {
if (checkCanConfigure("width")) {
width = extractStringFromParam(widthParam, width);
}
};
this.getHeight = function() { return height; };
this.setHeight = function(heightParam) {
if (checkCanConfigure("height")) {
height = extractStringFromParam(heightParam, height);
}
};
this.getMaxMessages = function() { return maxMessages; };
this.setMaxMessages = function(maxMessagesParam) {
maxMessages = extractIntFromParam(maxMessagesParam, maxMessages);
if (consoleWindowExists()) {
getConsoleWindow().setMaxMessages(maxMessages);
}
};
this.isShowCommandLine = function() { return showCommandLine; };
this.setShowCommandLine = function(showCommandLineParam) {
showCommandLine = bool(showCommandLineParam);
if (consoleWindowExists()) {
getConsoleWindow().setShowCommandLine(showCommandLine);
}
};
this.isShowHideButton = function() { return showHideButton; };
this.setShowHideButton = function(showHideButtonParam) {
showHideButton = bool(showHideButtonParam);
if (consoleWindowExists()) {
getConsoleWindow().setShowHideButton(showHideButton);
}
};
this.isShowCloseButton = function() { return showCloseButton; };
this.setShowCloseButton = function(showCloseButtonParam) {
showCloseButton = bool(showCloseButtonParam);
if (consoleWindowExists()) {
getConsoleWindow().setShowCloseButton(showCloseButton);
}
};
this.getCommandLineObjectExpansionDepth = function() { return commandLineObjectExpansionDepth; };
this.setCommandLineObjectExpansionDepth = function(commandLineObjectExpansionDepthParam) {
commandLineObjectExpansionDepth = extractIntFromParam(commandLineObjectExpansionDepthParam, commandLineObjectExpansionDepth);
};
var minimized = initiallyMinimized;
this.isInitiallyMinimized = function() { return initiallyMinimized; };
this.setInitiallyMinimized = function(initiallyMinimizedParam) {
if (checkCanConfigure("initiallyMinimized")) {
initiallyMinimized = bool(initiallyMinimizedParam);
minimized = initiallyMinimized;
}
};
this.isUseDocumentWrite = function() { return useDocumentWrite; };
this.setUseDocumentWrite = function(useDocumentWriteParam) {
if (checkCanConfigure("useDocumentWrite")) {
useDocumentWrite = bool(useDocumentWriteParam);
}
};
// Common methods
function QueuedLoggingEvent(loggingEvent, formattedMessage) {
this.loggingEvent = loggingEvent;
this.levelName = loggingEvent.level.name;
this.formattedMessage = formattedMessage;
}
QueuedLoggingEvent.prototype.append = function() {
getConsoleWindow().log(this.levelName, this.formattedMessage);
};
function QueuedGroup(name, initiallyExpanded) {
this.name = name;
this.initiallyExpanded = initiallyExpanded;
}
QueuedGroup.prototype.append = function() {
getConsoleWindow().group(this.name, this.initiallyExpanded);
};
function QueuedGroupEnd() {}
QueuedGroupEnd.prototype.append = function() {
getConsoleWindow().groupEnd();
};
var checkAndAppend = function() {
// Next line forces a check of whether the window has been closed
safeToAppend();
if (!initialized) {
init();
} else if (consoleClosed && reopenWhenClosed) {
createWindow();
}
if (safeToAppend()) {
appendQueuedLoggingEvents();
}
};
this.append = function(loggingEvent) {
if (isSupported) {
// Format the message
var formattedMessage = appender.getLayout().formatWithException(loggingEvent);
queuedLoggingEvents.push(new QueuedLoggingEvent(loggingEvent, formattedMessage));
checkAndAppend();
}
};
this.group = function(name, initiallyExpanded) {
if (isSupported) {
queuedLoggingEvents.push(new QueuedGroup(name, initiallyExpanded));
checkAndAppend();
}
};
this.groupEnd = function() {
if (isSupported) {
queuedLoggingEvents.push(new QueuedGroupEnd());
checkAndAppend();
}
};
var appendQueuedLoggingEvents = function() {
while (queuedLoggingEvents.length > 0) {
queuedLoggingEvents.shift().append();
}
if (focusConsoleWindow) {
getConsoleWindow().focus();
}
};
this.setAddedToLogger = function(logger) {
this.loggers.push(logger);
if (enabled && !lazyInit) {
init();
}
};
this.clear = function() {
if (consoleWindowExists()) {
getConsoleWindow().clearLog();
}
queuedLoggingEvents.length = 0;
};
this.focus = function() {
if (consoleWindowExists()) {
getConsoleWindow().focus();
}
};
this.focusCommandLine = function() {
if (consoleWindowExists()) {
getConsoleWindow().focusCommandLine();
}
};
this.focusSearch = function() {
if (consoleWindowExists()) {
getConsoleWindow().focusSearch();
}
};
var commandWindow = window;
this.getCommandWindow = function() { return commandWindow; };
this.setCommandWindow = function(commandWindowParam) {
commandWindow = commandWindowParam;
};
this.executeLastCommand = function() {
if (consoleWindowExists()) {
getConsoleWindow().evalLastCommand();
}
};
var commandLayout = new PatternLayout("%m");
this.getCommandLayout = function() { return commandLayout; };
this.setCommandLayout = function(commandLayoutParam) {
commandLayout = commandLayoutParam;
};
this.evalCommandAndAppend = function(expr) {
var commandReturnValue = { appendResult: true, isError: false };
var commandOutput = "";
// Evaluate the command
try {
var result, i;
// The next three lines constitute a workaround for IE. Bizarrely, iframes seem to have no
// eval method on the window object initially, but once execScript has been called on
// it once then the eval method magically appears. See http://www.thismuchiknow.co.uk/?p=25
if (!commandWindow.eval && commandWindow.execScript) {
commandWindow.execScript("null");
}
var commandLineFunctionsHash = {};
for (i = 0, len = commandLineFunctions.length; i < len; i++) {
commandLineFunctionsHash[commandLineFunctions[i][0]] = commandLineFunctions[i][1];
}
// Keep an array of variables that are being changed in the command window so that they
// can be restored to their original values afterwards
var objectsToRestore = [];
var addObjectToRestore = function(name) {
objectsToRestore.push([name, commandWindow[name]]);
};
addObjectToRestore("appender");
commandWindow.appender = appender;
addObjectToRestore("commandReturnValue");
commandWindow.commandReturnValue = commandReturnValue;
addObjectToRestore("commandLineFunctionsHash");
commandWindow.commandLineFunctionsHash = commandLineFunctionsHash;
var addFunctionToWindow = function(name) {
addObjectToRestore(name);
commandWindow[name] = function() {
return this.commandLineFunctionsHash[name](appender, arguments, commandReturnValue);
};
};
for (i = 0, len = commandLineFunctions.length; i < len; i++) {
addFunctionToWindow(commandLineFunctions[i][0]);
}
// Another bizarre workaround to get IE to eval in the global scope
if (commandWindow === window && commandWindow.execScript) {
addObjectToRestore("evalExpr");
addObjectToRestore("result");
window.evalExpr = expr;
commandWindow.execScript("window.result=eval(window.evalExpr);");
result = window.result;
} else {
result = commandWindow.eval(expr);
}
commandOutput = isUndefined(result) ? result : formatObjectExpansion(result, commandLineObjectExpansionDepth);
// Restore variables in the command window to their original state
for (i = 0, len = objectsToRestore.length; i < len; i++) {
commandWindow[objectsToRestore[i][0]] = objectsToRestore[i][1];
}
} catch (ex) {
commandOutput = "Error evaluating command: " + getExceptionStringRep(ex);
commandReturnValue.isError = true;
}
// Append command output
if (commandReturnValue.appendResult) {
var message = ">>> " + expr;
if (!isUndefined(commandOutput)) {
message += newLine + commandOutput;
}
var level = commandReturnValue.isError ? Level.ERROR : Level.INFO;
var loggingEvent = new LoggingEvent(null, new Date(), level, [message], null);
var mainLayout = this.getLayout();
this.setLayout(commandLayout);
this.append(loggingEvent);
this.setLayout(mainLayout);
}
};
var commandLineFunctions = defaultCommandLineFunctions.concat([]);
this.addCommandLineFunction = function(functionName, commandLineFunction) {
commandLineFunctions.push([functionName, commandLineFunction]);
};
var commandHistoryCookieName = "log4javascriptCommandHistory";
this.storeCommandHistory = function(commandHistory) {
setCookie(commandHistoryCookieName, commandHistory.join(","));
};
var writeHtml = function(doc) {
var lines = getConsoleHtmlLines();
doc.open();
for (var i = 0, len = lines.length; i < len; i++) {
doc.writeln(lines[i]);
}
doc.close();
};
// Set up event listeners
this.setEventTypes(["load", "unload"]);
var consoleWindowLoadHandler = function() {
var win = getConsoleWindow();
win.setAppender(appender);
win.setNewestAtTop(newestMessageAtTop);
win.setScrollToLatest(scrollToLatestMessage);
win.setMaxMessages(maxMessages);
win.setShowCommandLine(showCommandLine);
win.setShowHideButton(showHideButton);
win.setShowCloseButton(showCloseButton);
win.setMainWindow(window);
// Restore command history stored in cookie
var storedValue = getCookie(commandHistoryCookieName);
if (storedValue) {
win.commandHistory = storedValue.split(",");
win.currentCommandIndex = win.commandHistory.length;
}
appender.dispatchEvent("load", { "win" : win });
};
this.unload = function() {
logLog.debug("unload " + this + ", caller: " + this.unload.caller);
if (!consoleClosed) {
logLog.debug("really doing unload " + this);
consoleClosed = true;
consoleWindowLoaded = false;
consoleWindowCreated = false;
appender.dispatchEvent("unload", {});
}
};
var pollConsoleWindow = function(windowTest, interval, successCallback, errorMessage) {
function doPoll() {
try {
// Test if the console has been closed while polling
if (consoleClosed) {
clearInterval(poll);
}
if (windowTest(getConsoleWindow())) {
clearInterval(poll);
successCallback();
}
} catch (ex) {
clearInterval(poll);
isSupported = false;
handleError(errorMessage, ex);
}
}
// Poll the pop-up since the onload event is not reliable
var poll = setInterval(doPoll, interval);
};
var getConsoleUrl = function() {
var documentDomainSet = (document.domain != location.hostname);
return useDocumentWrite ? "" : getBaseUrl() + "console_uncompressed.html" +
(documentDomainSet ? "?log4javascript_domain=" + escape(document.domain) : "");
};
// Define methods and properties that vary between subclasses
if (inPage) {
// InPageAppender
var containerElement = null;
// Configuration methods. The function scope is used to prevent
// direct alteration to the appender configuration properties.
var cssProperties = [];
this.addCssProperty = function(name, value) {
if (checkCanConfigure("cssProperties")) {
cssProperties.push([name, value]);
}
};
// Define useful variables
var windowCreationStarted = false;
var iframeContainerDiv;
var iframeId = uniqueId + "_InPageAppender_" + consoleAppenderId;
this.hide = function() {
if (initialized && consoleWindowCreated) {
if (consoleWindowExists()) {
getConsoleWindow().$("command").blur();
}
iframeContainerDiv.style.display = "none";
minimized = true;
}
};
this.show = function() {
if (initialized) {
if (consoleWindowCreated) {
iframeContainerDiv.style.display = "block";
this.setShowCommandLine(showCommandLine); // Force IE to update
minimized = false;
} else if (!windowCreationStarted) {
createWindow(true);
}
}
};
this.isVisible = function() {
return !minimized && !consoleClosed;
};
this.close = function(fromButton) {
if (!consoleClosed && (!fromButton || confirm("This will permanently remove the console from the page. No more messages will be logged. Do you wish to continue?"))) {
iframeContainerDiv.parentNode.removeChild(iframeContainerDiv);
this.unload();
}
};
// Create open, init, getConsoleWindow and safeToAppend functions
open = function() {
var initErrorMessage = "InPageAppender.open: unable to create console iframe";
function finalInit() {
try {
if (!initiallyMinimized) {
appender.show();
}
consoleWindowLoadHandler();
consoleWindowLoaded = true;
appendQueuedLoggingEvents();
} catch (ex) {
isSupported = false;
handleError(initErrorMessage, ex);
}
}
function writeToDocument() {
try {
var windowTest = function(win) { return isLoaded(win); };
if (useDocumentWrite) {
writeHtml(getConsoleWindow().document);
}
if (windowTest(getConsoleWindow())) {
finalInit();
} else {
pollConsoleWindow(windowTest, 100, finalInit, initErrorMessage);
}
} catch (ex) {
isSupported = false;
handleError(initErrorMessage, ex);
}
}
minimized = false;
iframeContainerDiv = containerElement.appendChild(document.createElement("div"));
iframeContainerDiv.style.width = width;
iframeContainerDiv.style.height = height;
iframeContainerDiv.style.border = "solid gray 1px";
for (var i = 0, len = cssProperties.length; i < len; i++) {
iframeContainerDiv.style[cssProperties[i][0]] = cssProperties[i][1];
}
var iframeSrc = useDocumentWrite ? "" : " src='" + getConsoleUrl() + "'";
// Adding an iframe using the DOM would be preferable, but it doesn't work
// in IE5 on Windows, or in Konqueror prior to version 3.5 - in Konqueror
// it creates the iframe fine but I haven't been able to find a way to obtain
// the iframe's window object
iframeContainerDiv.innerHTML = "<iframe id='" + iframeId + "' name='" + iframeId +
"' width='100%' height='100%' frameborder='0'" + iframeSrc +
" scrolling='no'></iframe>";
consoleClosed = false;
// Write the console HTML to the iframe
var iframeDocumentExistsTest = function(win) {
try {
return bool(win) && bool(win.document);
} catch (ex) {
return false;
}
};
if (iframeDocumentExistsTest(getConsoleWindow())) {
writeToDocument();
} else {
pollConsoleWindow(iframeDocumentExistsTest, 100, writeToDocument, initErrorMessage);
}
consoleWindowCreated = true;
};
createWindow = function(show) {
if (show || !initiallyMinimized) {
var pageLoadHandler = function() {
if (!container) {
// Set up default container element
containerElement = document.createElement("div");
containerElement.style.position = "fixed";
containerElement.style.left = "0";
containerElement.style.right = "0";
containerElement.style.bottom = "0";
document.body.appendChild(containerElement);
appender.addCssProperty("borderWidth", "1px 0 0 0");
appender.addCssProperty("zIndex", 1000000); // Can't find anything authoritative that says how big z-index can be
open();
} else {
try {
var el = document.getElementById(container);
if (el.nodeType == 1) {
containerElement = el;
}
open();
} catch (ex) {
handleError("InPageAppender.init: invalid container element '" + container + "' supplied", ex);
}
}
};
// Test the type of the container supplied. First, check if it's an element
if (pageLoaded && container && container.appendChild) {
containerElement = container;
open();
} else if (pageLoaded) {
pageLoadHandler();
} else {
log4javascript.addEventListener("load", pageLoadHandler);
}
windowCreationStarted = true;
}
};
init = function() {
createWindow();
initialized = true;
};
getConsoleWindow = function() {
var iframe = window.frames[iframeId];
if (iframe) {
return iframe;
}
};
safeToAppend = function() {
if (isSupported && !consoleClosed) {
if (consoleWindowCreated && !consoleWindowLoaded && getConsoleWindow() && isLoaded(getConsoleWindow())) {
consoleWindowLoaded = true;
}
return consoleWindowLoaded;
}
return false;
};
} else {
// PopUpAppender
// Extract params
var useOldPopUp = appender.defaults.useOldPopUp;
var complainAboutPopUpBlocking = appender.defaults.complainAboutPopUpBlocking;
var reopenWhenClosed = this.defaults.reopenWhenClosed;
// Configuration methods. The function scope is used to prevent
// direct alteration to the appender configuration properties.
this.isUseOldPopUp = function() { return useOldPopUp; };
this.setUseOldPopUp = function(useOldPopUpParam) {
if (checkCanConfigure("useOldPopUp")) {
useOldPopUp = bool(useOldPopUpParam);
}
};
this.isComplainAboutPopUpBlocking = function() { return complainAboutPopUpBlocking; };
this.setComplainAboutPopUpBlocking = function(complainAboutPopUpBlockingParam) {
if (checkCanConfigure("complainAboutPopUpBlocking")) {
complainAboutPopUpBlocking = bool(complainAboutPopUpBlockingParam);
}
};
this.isFocusPopUp = function() { return focusConsoleWindow; };
this.setFocusPopUp = function(focusPopUpParam) {
// This property can be safely altered after logging has started
focusConsoleWindow = bool(focusPopUpParam);
};
this.isReopenWhenClosed = function() { return reopenWhenClosed; };
this.setReopenWhenClosed = function(reopenWhenClosedParam) {
// This property can be safely altered after logging has started
reopenWhenClosed = bool(reopenWhenClosedParam);
};
this.close = function() {
logLog.debug("close " + this);
try {
popUp.close();
this.unload();
} catch (ex) {
// Do nothing
}
};
this.hide = function() {
logLog.debug("hide " + this);
if (consoleWindowExists()) {
this.close();
}
};
this.show = function() {
logLog.debug("show " + this);
if (!consoleWindowCreated) {
open();
}
};
this.isVisible = function() {
return safeToAppend();
};
// Define useful variables
var popUp;
// Create open, init, getConsoleWindow and safeToAppend functions
open = function() {
var windowProperties = "width=" + width + ",height=" + height + ",status,resizable";
var frameInfo = "";
try {
var frameEl = window.frameElement;
if (frameEl) {
frameInfo = "_" + frameEl.tagName + "_" + (frameEl.name || frameEl.id || "");
}
} catch (e) {
frameInfo = "_inaccessibleParentFrame";
}
var windowName = "PopUp_" + location.host.replace(/[^a-z0-9]/gi, "_") + "_" + consoleAppenderId + frameInfo;
if (!useOldPopUp || !useDocumentWrite) {
// Ensure a previous window isn't used by using a unique name
windowName = windowName + "_" + uniqueId;
}
var checkPopUpClosed = function(win) {
if (consoleClosed) {
return true;
} else {
try {
return bool(win) && win.closed;
} catch(ex) {}
}
return false;
};
var popUpClosedCallback = function() {
if (!consoleClosed) {
appender.unload();
}
};
function finalInit() {
getConsoleWindow().setCloseIfOpenerCloses(!useOldPopUp || !useDocumentWrite);
consoleWindowLoadHandler();
consoleWindowLoaded = true;
appendQueuedLoggingEvents();
pollConsoleWindow(checkPopUpClosed, 500, popUpClosedCallback,
"PopUpAppender.checkPopUpClosed: error checking pop-up window");
}
try {
popUp = window.open(getConsoleUrl(), windowName, windowProperties);
consoleClosed = false;
consoleWindowCreated = true;
if (popUp && popUp.document) {
if (useDocumentWrite && useOldPopUp && isLoaded(popUp)) {
popUp.mainPageReloaded();
finalInit();
} else {
if (useDocumentWrite) {
writeHtml(popUp.document);
}
// Check if the pop-up window object is available
var popUpLoadedTest = function(win) { return bool(win) && isLoaded(win); };
if (isLoaded(popUp)) {
finalInit();
} else {
pollConsoleWindow(popUpLoadedTest, 100, finalInit,
"PopUpAppender.init: unable to create console window");
}
}
} else {
isSupported = false;
logLog.warn("PopUpAppender.init: pop-ups blocked, please unblock to use PopUpAppender");
if (complainAboutPopUpBlocking) {
handleError("log4javascript: pop-up windows appear to be blocked. Please unblock them to use pop-up logging.");
}
}
} catch (ex) {
handleError("PopUpAppender.init: error creating pop-up", ex);
}
};
createWindow = function() {
if (!initiallyMinimized) {
open();
}
};
init = function() {
createWindow();
initialized = true;
};
getConsoleWindow = function() {
return popUp;
};
safeToAppend = function() {
if (isSupported && !isUndefined(popUp) && !consoleClosed) {
if (popUp.closed ||
(consoleWindowLoaded && isUndefined(popUp.closed))) { // Extra check for Opera
appender.unload();
logLog.debug("PopUpAppender: pop-up closed");
return false;
}
if (!consoleWindowLoaded && isLoaded(popUp)) {
consoleWindowLoaded = true;
}
}
return isSupported && consoleWindowLoaded && !consoleClosed;
};
}
// Expose getConsoleWindow so that automated tests can check the DOM
this.getConsoleWindow = getConsoleWindow;
};
ConsoleAppender.addGlobalCommandLineFunction = function(functionName, commandLineFunction) {
defaultCommandLineFunctions.push([functionName, commandLineFunction]);
};
/* ------------------------------------------------------------------ */
function PopUpAppender(lazyInit, initiallyMinimized, useDocumentWrite,
width, height) {
this.create(false, null, lazyInit, initiallyMinimized,
useDocumentWrite, width, height, this.defaults.focusPopUp);
}
PopUpAppender.prototype = new ConsoleAppender();
PopUpAppender.prototype.defaults = {
layout: new PatternLayout("%d{HH:mm:ss} %-5p - %m{1}%n"),
initiallyMinimized: false,
focusPopUp: false,
lazyInit: true,
useOldPopUp: true,
complainAboutPopUpBlocking: true,
newestMessageAtTop: false,
scrollToLatestMessage: true,
width: "600",
height: "400",
reopenWhenClosed: false,
maxMessages: null,
showCommandLine: true,
commandLineObjectExpansionDepth: 1,
showHideButton: false,
showCloseButton: true,
useDocumentWrite: true
};
PopUpAppender.prototype.toString = function() {
return "PopUpAppender";
};
log4javascript.PopUpAppender = PopUpAppender;
/* ------------------------------------------------------------------ */
function InPageAppender(container, lazyInit, initiallyMinimized,
useDocumentWrite, width, height) {
this.create(true, container, lazyInit, initiallyMinimized,
useDocumentWrite, width, height, false);
}
InPageAppender.prototype = new ConsoleAppender();
InPageAppender.prototype.defaults = {
layout: new PatternLayout("%d{HH:mm:ss} %-5p - %m{1}%n"),
initiallyMinimized: false,
lazyInit: true,
newestMessageAtTop: false,
scrollToLatestMessage: true,
width: "100%",
height: "220px",
maxMessages: null,
showCommandLine: true,
commandLineObjectExpansionDepth: 1,
showHideButton: false,
showCloseButton: false,
showLogEntryDeleteButtons: true,
useDocumentWrite: true
};
InPageAppender.prototype.toString = function() {
return "InPageAppender";
};
log4javascript.InPageAppender = InPageAppender;
// Next line for backwards compatibility
log4javascript.InlineAppender = InPageAppender;
})();
/* ---------------------------------------------------------------------- */
// Console extension functions
function padWithSpaces(str, len) {
if (str.length < len) {
var spaces = [];
var numberOfSpaces = Math.max(0, len - str.length);
for (var i = 0; i < numberOfSpaces; i++) {
spaces[i] = " ";
}
str += spaces.join("");
}
return str;
}
(function() {
function dir(obj) {
var maxLen = 0;
// Obtain the length of the longest property name
for (var p in obj) {
maxLen = Math.max(toStr(p).length, maxLen);
}
// Create the nicely formatted property list
var propList = [];
for (p in obj) {
var propNameStr = "  " + padWithSpaces(toStr(p), maxLen + 2);
var propVal;
try {
propVal = splitIntoLines(toStr(obj[p])).join(padWithSpaces(newLine, maxLen + 6));
} catch (ex) {
propVal = "[Error obtaining property. Details: " + getExceptionMessage(ex) + "]";
}
propList.push(propNameStr + propVal);
}
return propList.join(newLine);
}
var nodeTypes = {
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
};
var preFormattedElements = ["script", "pre"];
// This should be the definitive list, as specified by the XHTML 1.0 Transitional DTD
var emptyElements = ["br", "img", "hr", "param", "link", "area", "input", "col", "base", "meta"];
var indentationUnit = "  ";
// Create and return an XHTML string from the node specified
function getXhtml(rootNode, includeRootNode, indentation, startNewLine, preformatted) {
includeRootNode = (typeof includeRootNode == "undefined") ? true : !!includeRootNode;
if (typeof indentation != "string") {
indentation = "";
}
startNewLine = !!startNewLine;
preformatted = !!preformatted;
var xhtml;
function isWhitespace(node) {
return ((node.nodeType == nodeTypes.TEXT_NODE) && /^[ \t\r\n]*$/.test(node.nodeValue));
}
function fixAttributeValue(attrValue) {
return attrValue.toString().replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/"/g, "&quot;");
}
function getStyleAttributeValue(el) {
var stylePairs = el.style.cssText.split(";");
var styleValue = "";
for (var j = 0, len = stylePairs.length; j < len; j++) {
var nameValueBits = stylePairs[j].split(":");
var props = [];
if (!/^\s*$/.test(nameValueBits[0])) {
props.push(trim(nameValueBits[0]).toLowerCase() + ":" + trim(nameValueBits[1]));
}
styleValue = props.join(";");
}
return styleValue;
}
function getNamespace(el) {
if (el.prefix) {
return el.prefix;
} else if (el.outerHTML) {
var regex = new RegExp("<([^:]+):" + el.tagName + "[^>]*>", "i");
if (regex.test(el.outerHTML)) {
return RegExp.$1.toLowerCase();
}
}
return "";
}
var lt = "<";
var gt = ">";
var i, len;
if (includeRootNode && rootNode.nodeType != nodeTypes.DOCUMENT_FRAGMENT_NODE) {
switch (rootNode.nodeType) {
case nodeTypes.ELEMENT_NODE:
var tagName = rootNode.tagName.toLowerCase();
xhtml = startNewLine ? newLine + indentation : "";
xhtml += lt;
// Allow for namespaces, where present
var prefix = getNamespace(rootNode);
var hasPrefix = !!prefix;
if (hasPrefix) {
xhtml += prefix + ":";
}
xhtml += tagName;
for (i = 0, len = rootNode.attributes.length; i < len; i++) {
var currentAttr = rootNode.attributes[i];
// Check the attribute is valid.
if (!	currentAttr.specified ||
currentAttr.nodeValue === null ||
currentAttr.nodeName.toLowerCase() === "style" ||
typeof currentAttr.nodeValue !== "string" ||
currentAttr.nodeName.indexOf("_moz") === 0) {
continue;
}
xhtml += " " + currentAttr.nodeName.toLowerCase() + "=\"";
xhtml += fixAttributeValue(currentAttr.nodeValue);
xhtml += "\"";
}
// Style needs to be done separately as it is not reported as an
// attribute in IE
if (rootNode.style.cssText) {
var styleValue = getStyleAttributeValue(rootNode);
if (styleValue !== "") {
xhtml += " style=\"" + getStyleAttributeValue(rootNode) + "\"";
}
}
if (array_contains(emptyElements, tagName) ||
(hasPrefix && !rootNode.hasChildNodes())) {
xhtml += "/" + gt;
} else {
xhtml += gt;
// Add output for childNodes collection (which doesn't include attribute nodes)
var childStartNewLine = !(rootNode.childNodes.length === 1 &&
rootNode.childNodes[0].nodeType === nodeTypes.TEXT_NODE);
var childPreformatted = array_contains(preFormattedElements, tagName);
for (i = 0, len = rootNode.childNodes.length; i < len; i++) {
xhtml += getXhtml(rootNode.childNodes[i], true, indentation + indentationUnit,
childStartNewLine, childPreformatted);
}
// Add the end tag
var endTag = lt + "/" + tagName + gt;
xhtml += childStartNewLine ? newLine + indentation + endTag : endTag;
}
return xhtml;
case nodeTypes.TEXT_NODE:
if (isWhitespace(rootNode)) {
xhtml = "";
} else {
if (preformatted) {
xhtml = rootNode.nodeValue;
} else {
// Trim whitespace from each line of the text node
var lines = splitIntoLines(trim(rootNode.nodeValue));
var trimmedLines = [];
for (i = 0, len = lines.length; i < len; i++) {
trimmedLines[i] = trim(lines[i]);
}
xhtml = trimmedLines.join(newLine + indentation);
}
if (startNewLine) {
xhtml = newLine + indentation + xhtml;
}
}
return xhtml;
case nodeTypes.CDATA_SECTION_NODE:
return "<![CDA" + "TA[" + rootNode.nodeValue + "]" + "]>" + newLine;
case nodeTypes.DOCUMENT_NODE:
xhtml = "";
// Add output for childNodes collection (which doesn't include attribute nodes)
for (i = 0, len = rootNode.childNodes.length; i < len; i++) {
xhtml += getXhtml(rootNode.childNodes[i], true, indentation);
}
return xhtml;
default:
return "";
}
} else {
xhtml = "";
// Add output for childNodes collection (which doesn't include attribute nodes)
for (i = 0, len = rootNode.childNodes.length; i < len; i++) {
xhtml += getXhtml(rootNode.childNodes[i], true, indentation + indentationUnit);
}
return xhtml;
}
}
function createCommandLineFunctions() {
ConsoleAppender.addGlobalCommandLineFunction("$", function(appender, args, returnValue) {
return document.getElementById(args[0]);
});
ConsoleAppender.addGlobalCommandLineFunction("dir", function(appender, args, returnValue) {
var lines = [];
for (var i = 0, len = args.length; i < len; i++) {
lines[i] = dir(args[i]);
}
return lines.join(newLine + newLine);
});
ConsoleAppender.addGlobalCommandLineFunction("dirxml", function(appender, args, returnValue) {
var lines = [];
for (var i = 0, len = args.length; i < len; i++) {
lines[i] = getXhtml(args[i]);
}
return lines.join(newLine + newLine);
});
ConsoleAppender.addGlobalCommandLineFunction("cd", function(appender, args, returnValue) {
var win, message;
if (args.length === 0 || args[0] === "") {
win = window;
message = "Command line set to run in main window";
} else {
if (args[0].window == args[0]) {
win = args[0];
message = "Command line set to run in frame '" + args[0].name + "'";
} else {
win = window.frames[args[0]];
if (win) {
message = "Command line set to run in frame '" + args[0] + "'";
} else {
returnValue.isError = true;
message = "Frame '" + args[0] + "' does not exist";
win = appender.getCommandWindow();
}
}
}
appender.setCommandWindow(win);
return message;
});
ConsoleAppender.addGlobalCommandLineFunction("clear", function(appender, args, returnValue) {
returnValue.appendResult = false;
appender.clear();
});
ConsoleAppender.addGlobalCommandLineFunction("keys", function(appender, args, returnValue) {
var keys = [];
for (var k in args[0]) {
keys.push(k);
}
return keys;
});
ConsoleAppender.addGlobalCommandLineFunction("values", function(appender, args, returnValue) {
var values = [];
for (var k in args[0]) {
try {
values.push(args[0][k]);
} catch (ex) {
logLog.warn("values(): Unable to obtain value for key " + k + ". Details: " + getExceptionMessage(ex));
}
}
return values;
});
ConsoleAppender.addGlobalCommandLineFunction("expansionDepth", function(appender, args, returnValue) {
var expansionDepth = parseInt(args[0], 10);
if (isNaN(expansionDepth) || expansionDepth < 0) {
returnValue.isError = true;
return "" + args[0] + " is not a valid expansion depth";
} else {
appender.setCommandLineObjectExpansionDepth(expansionDepth);
return "Object expansion depth set to " + expansionDepth;
}
});
}
function init() {
// Add command line functions
createCommandLineFunctions();
}
/* ------------------------------------------------------------------ */
init();
})();
/* ---------------------------------------------------------------------- */
function createDefaultLogger() {
var logger = log4javascript.getLogger(defaultLoggerName);
var a = new log4javascript.PopUpAppender();
logger.addAppender(a);
return logger;
}
/* ---------------------------------------------------------------------- */
// Main load
log4javascript.setDocumentReady = function() {
pageLoaded = true;
log4javascript.dispatchEvent("load", {});
};
if (window.addEventListener) {
window.addEventListener("load", log4javascript.setDocumentReady, false);
} else if (window.attachEvent) {
window.attachEvent("onload", log4javascript.setDocumentReady);
} else {
var oldOnload = window.onload;
if (typeof window.onload != "function") {
window.onload = log4javascript.setDocumentReady;
} else {
window.onload = function(evt) {
if (oldOnload) {
oldOnload(evt);
}
log4javascript.setDocumentReady();
};
}
}
return log4javascript;
}, this);