2 Copyright (c) 2008, Adobe Systems Incorporated
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33 package com.adobe.air.logging
35 import mx.logging.AbstractTarget;
36 import flash.filesystem.File;
37 import flash.filesystem.FileStream;
38 import flash.filesystem.FileMode;
39 import mx.logging.LogEvent;
40 import flash.system.System;
41 import flash.system.Capabilities;
42 import mx.logging.targets.LineFormattedTarget;
43 import mx.core.mx_internal;
45 use namespace mx_internal;
48 * An Adobe AIR only class that provides a log target for the Flex logging
49 * framework, that logs files to a file on the user's system.
51 * This class will only work when running within Adobe AIR>
53 public class FileTarget extends LineFormattedTarget
55 private const DEFAULT_LOG_PATH:String = "app-storage:/application.log";
59 public function FileTarget(logFile:File = null)
67 log = new File(DEFAULT_LOG_PATH);
71 public function get logURI():String
76 mx_internal override function internalLog(message:String):void
81 private function write(msg:String):void
83 var fs:FileStream = new FileStream();
84 fs.open(log, FileMode.APPEND);
85 fs.writeUTFBytes(msg + "\n");
89 public function clear():void
91 var fs:FileStream = new FileStream();
92 fs.open(log, FileMode.WRITE);