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Source Code for Apache Log4j 1.2.17
Apache Log4j provides the interface that applications should code to and provides the adapter components required for implementers to create a logging implementation.
Bytecode (Java 1.4) for Apache Log4j is provided in a JAR file like log4j-1.2.17.jar.
Source Code files for Apache Log4j are provided in both binary packge like log4j-1.2.17.zip and source package like log4j-1.2.17-sources.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j 1.2.17 below.
✍: FYIcenter.com
⏎ org/apache/log4j/helpers/FileWatchdog.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ // Contributors: Mathias Bogaert package org.apache.log4j.helpers; import java.io.File; /** Check every now and then that a certain file has not changed. If it has, then call the {@link #doOnChange} method. @author Ceki Gülcü @since version 0.9.1 */ public abstract class FileWatchdog extends Thread { /** The default delay between every file modification check, set to 60 seconds. */ static final public long DEFAULT_DELAY = 60000; /** The name of the file to observe for changes. */ protected String filename; /** The delay to observe between every check. By default set {@link #DEFAULT_DELAY}. */ protected long delay = DEFAULT_DELAY; File file; long lastModif = 0; boolean warnedAlready = false; boolean interrupted = false; protected FileWatchdog(String filename) { super("FileWatchdog"); this.filename = filename; file = new File(filename); setDaemon(true); checkAndConfigure(); } /** Set the delay to observe between each check of the file changes. */ public void setDelay(long delay) { this.delay = delay; } abstract protected void doOnChange(); protected void checkAndConfigure() { boolean fileExists; try { fileExists = file.exists(); } catch(SecurityException e) { LogLog.warn("Was not allowed to read check file existance, file:["+ filename+"]."); interrupted = true; // there is no point in continuing return; } if(fileExists) { long l = file.lastModified(); // this can also throw a SecurityException if(l > lastModif) { // however, if we reached this point this lastModif = l; // is very unlikely. doOnChange(); warnedAlready = false; } } else { if(!warnedAlready) { LogLog.debug("["+filename+"] does not exist."); warnedAlready = true; } } } public void run() { while(!interrupted) { try { Thread.sleep(delay); } catch(InterruptedException e) { // no interruption expected } checkAndConfigure(); } } }
⏎ org/apache/log4j/helpers/FileWatchdog.java
Or download all of them as a single archive file:
File name: log4j-1.2.17-sources.jar File size: 481200 bytes Release date: 2012-05-06 Download
⇒ Download and Install apache-log4j-1.2.15.zip
⇐ Download and Install log4j-1.2.17.zip
2015-12-14, 63420👍, 0💬
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