fileutils.java

Java Mail Server JAVA编写的邮件服务器

/****************************************************************
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.     *
 *                                                              *
 * Copyright 2008 Jun Li(SiChuan University, the School of      *
 * Software Engineering). All rights reserved.                  *
 *                                                              *
 * Licensed to the JMS under one  or more contributor license   *
 * agreements.  See the LICENCE file  distributed with this     *
 * work for additional information regarding copyright          *
 * ownership.  The JMS licenses this file  you may not use this *
 * file except in compliance  with the License.                 *
 *                                                              *
 * 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.                                           *
 ****************************************************************/
package org.jpxx.mail.Util;

import java.io.File;

/**
 * Deal with file and directory.
 * 
 * @author Jun Li
 * @version $Revision: 0.0.1 $, $Date: 2008/05/13 $
 * @since JMS 0.0.1
 */
public class FileUtils {

    /**
     * Delete all files and directories in a special directory
     * @param path The file path you want delete
     */
    public static void delete(String path) {
        delete(new File(path));
    }

    /**
     * Delete all files and directories in a special File
     * @param file File object
     */
    public static void delete(File file) {
        if(file==null||!file.exists())
        {
            return;
        }
        File[] files = file.listFiles();
        for (int i = 0; i < files.length; i++) {
            if (files[i].isFile()) {
                files[i].delete();
            } else if (files[i].isDirectory()) {
                if (!files[i].delete()) {
                    delete(files[i]);
                }
            }
        }
        deleteDirectory(file);
    }

    /**
     * Delete All Directory
     * @param file
     */
    private static void deleteDirectory(File file) {
        File[] filed = file.listFiles();
        for (int i = 0; i < filed.length; i++) {
            deleteDirectory(filed[i]);
            filed[i].delete();
        }
        file.delete();
    }
}