스토브 훌로구

<dependency>
	<groupId>org.eclipse.jetty</groupId>
	<artifactId>jetty-util</artifactId>
	<version>8.0.1.v20110908</version>
</dependency>

jetty-util-8.0.1.v20110908.jar

package scanner;

import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

import org.eclipse.jetty.util.Scanner;

public class FileChangeScanner {
	private Scanner scanner;

	public FileChangeScanner(String targetDir){
		List<File> scanFiles = new ArrayList<File>();
		
		searchSubDirs(targetDir, scanFiles);
		
		scanner = new Scanner();
		scanner.setScanInterval(1);          // 1초 간격으로 변경사항 스캔
		scanner.setScanDirs(scanFiles);
		scanner.setReportExistingFilesOnStartup(false);
		
		scanner.addListener(new Scanner.DiscreteListener() {
			public void fileRemoved(String filename) throws Exception {
				System.out.println(filename + " is deleted");
			}
			
			public void fileChanged(String filename) throws Exception {
				System.out.println(filename + " is changed");
			}
			
			public void fileAdded(String filename) throws Exception {
				File f = new File(filename);
				if(f.isDirectory()) scanner.addScanDir(f);
				
				System.out.println(filename + " is added");
			}
		});
	}
	
	public void start(){
		try {
			scanner.start();
		} catch (Exception e) {
			new RuntimeException(e);
		}
	}
	
	/**
	 * 하위 디렉토리들 찾기
	 * @param targetDir
	 * @param dirs
	 * @return
	 */
	private List<File> searchSubDirs(String targetDir, final List<File> dirs){
		File target = new File(targetDir);
		target.listFiles(new FileFilter() {
			public boolean accept(File file) {
				if( file.isDirectory() ) {
					dirs.add(file);
					searchSubDirs(file.toString(), dirs);
				}
				return false;
			}
		});
		
		return dirs;
	}

	public static void main(String[] args) throws Exception{
		// c:\test 하위 폴더 및 파일 변경 감시
		new FileChangeScanner("c:\\test").start();
		
		// 실행하자 마자 프로그램이 종료되기 때문에 프로그램 종료방지를 위해 타이머 생성
		// WAS 환경에서 돌릴때는 타이머 생성할 필요없음
		Timer timer = new Timer();
		timer.scheduleAtFixedRate(new TimerTask() {
			public void run() {}
		}, 60*1000, 60*1000 );
	}
}

package com.tistory.stove99;

import org.apache.velocity.app.event.InvalidReferenceEventHandler;
import org.apache.velocity.context.Context;
import org.apache.velocity.util.introspection.Info;

public class InvalidReferenceHandler implements InvalidReferenceEventHandler{

	@Override
	public Object invalidGetMethod(Context context, String reference,
			Object object, String property, Info info) {
		return "";
	}

	@Override
	public boolean invalidSetMethod(Context context, String leftreference,
			String rightreference, Info info) {
		return false;
	}

	@Override
	public Object invalidMethod(Context context, String reference,
			Object object, String method, Info info) {
		return null;
	}
}

eventhandler.invalidreferences.class = com.tistory.stove99.InvalidReferenceHandler