package com.adobe.air.logging { import mx.logging.AbstractTarget;import flash.filesystem.File; import flash.filesystem.FileStream;import flash.filesystem.FileMode; import mx.logging.LogEvent; import flash.system.System; import flash.system.Capabilities; import mx.logging.targets.LineFormattedTarget;import mx.core.mx_internal; use namespace mx_internal; /** * An Adobe AIR only class that provides a log target for the Flex logging * framework, that logs files to a file on the user's system. * * This class will only work when running within Adobe AIR> */ public class FileTarget extends LineFormattedTarget { private const DEFAULT_LOG_PATH:String = "app-storage:/application.log"; private var log:File; public function FileTarget(logFile:File = null) { if(logFile != null) { log = logFile; } else { log = new File(DEFAULT_LOG_PATH); } } public function get logURI():String { return log.url; } mx_internal override function internalLog(message:String):void { write(message); } private function write(msg:String):void { var fs:FileStream = new FileStream(); fs.open(log, FileMode.APPEND); fs.writeUTFBytes(msg + "\n"); fs.close(); } public function clear():void { var fs:FileStream = new FileStream(); fs.open(log, FileMode.WRITE); fs.writeUTFBytes(""); fs.close(); } }//end class}//end package
转：[url]http://code.google.com/p/as3corelib/source/browse/trunk/src/com/adobe/air/logging/FileTarget.as?spec=svn66&r=66[/url]
[url]http://gain-loss.org/?p=119[/url]
