使用 commons-io 中的文件监控
[code="java"]package org.demo.file;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.filefilter.FileFilterUtils;
import org.apache.commons.io.monitor.FileAlterationMonitor;
import org.apache.commons.io.monitor.FileAlterationObserver;
/**
- 文件监控测试
- @author
- @date 2010-11-16
-
@file org.demo.file.FileMonitor.java
*/
public class FileMonitorTest {/**
- @param args
- @throws Exception */ public static void main(String[] args) throws Exception { // 监控目录 String rootDir = "d:\Temp"; // 轮询间隔 5 秒 long interval = TimeUnit.SECONDS.toMillis(5); // FileAlterationObserver observer = new FileAlterationObserver( rootDir, FileFilterUtils.and( FileFilterUtils.fileFileFilter(), FileFilterUtils.suffixFileFilter(".java")), null); observer.addListener(new MyFileListener()); FileAlterationMonitor monitor = new FileAlterationMonitor(interval,observer); // 开始监控 monitor.start(); } }[/code] [code="java"]package org.demo.file;
import java.io.File;
import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
/**
- 自定义文件监听器
- @author
- @date 2010-11-16
- @file org.demo.file.MyFileListener.java */ public class MyFileListener extends FileAlterationListenerAdaptor{ @Override public void onFileCreate(File file) { System.out.println("[新建]:" + file.getAbsolutePath()); } @Override public void onFileChange(File file) { System.out.println("[修改]:" + file.getAbsolutePath()); } @Override public void onFileDelete(File file) { System.out.println("[删除]:" + file.getAbsolutePath()); } }[/code]
