PHP Classes

File: ajaxLogger.js

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  Classes of Asbjorn Grandt   AJAX Logger   ajaxLogger.js   Download  
File: ajaxLogger.js
Role: Auxiliary data
Content type: text/plain
Description: client side javascript
Class: AJAX Logger
Handle log requests sent by AJAX applications
Author: By
Last change: Added header comment
Date: 11 years ago
Size: 2,749 bytes
 

Contents

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/** * ajaxLogger. * v1.0 * Client side Javascript to send log statements to the server side logger. * License: LGPL * Author: Asbjorn Grandt */ var LoggerLevel = { OFF:2147483647, FATAL:50000, ERROR:40000, WARN:30000, INFO:20000, DEBUG:10000, TRACE:5000, ALL:-2147483647 }; var LoggerSettings = { path:'ajaxLogger.php' }; var Logger = { name:"ajaxLogger", loglevel: LoggerLevel.OFF, isInitialized: false, isIdle: true, queue: new Array(), /** * @param appname Name of the logger. * @returns an instance of the logger, though it's not really used, in JS the logger is sadly a singleton. */ getLogger:function(appname) { $.ajax({ type: 'POST', url: LoggerSettings.path, data: { 'action':'init', 'name':appname }, dataType: 'json', success: function(msg) { if (msg.result == "ok") { Logger.setLevel(msg.level); Logger.setName(appname); Logger.isInitialized = true; Logger.spoolQueue(); } } }); return Logger; }, /** * Send a log message * @param level * @param message */ log:function(level, message) { if (Logger.isInitialized && Logger.isIdle) { if (Logger.isEnabledFor(level)) { Logger.isIdle = false; $.ajax({ type: 'POST', url: LoggerSettings.path, data: { 'action':'log', 'name':Logger.getName(), 'level':level, 'msg':message }, dataType: 'json', success: function(msg) { Logger.isIdle = true; Logger.spoolQueue(); } }); } } else { Logger.queue[Logger.queue.length] = {"level":level,"message":message}; } }, spoolQueue:function(level, message) { if (Logger.queue.length > 0) { var m = Logger.queue.shift(); Logger.log(m.level, m.message); } }, setName:function(appName) { Logger.name = appName; }, getName:function() { return Logger.name; }, setLevel:function(level) { Logger.loglevel = level; }, getLevel:function() { return Logger.loglevel; }, fatal:function(message) { Logger.log(LoggerLevel.FATAL, message); }, error:function(message) { Logger.log(LoggerLevel.ERROR, message); }, warn:function(message) { Logger.log(LoggerLevel.WARN, message); }, info:function(message) { Logger.log(LoggerLevel.INFO, message); }, debug:function(message) { Logger.log(LoggerLevel.DEBUG, message); }, trace:function(message) { Logger.log(LoggerLevel.TRACE, message); }, isEnabledFor:function(level) { return level >= Logger.getLevel(); } };