DeleteDirectoryExample.java

/*
 * Created on 13-3-29
 * 
 * Licensed 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.
 * 
 * Copyright @2013 the original author or authors.
 */
package ch18io.directory;

/**
 * Description of this file.
 *
 * @author XiongNeng
 * @version 1.0
 * @since 13-3-29
 */

import java.io.File;
import java.io.IOException;

public class DeleteDirectoryExample {
    private static final String SRC_FOLDER = "C:\\mkyong-new";

    public static void main(String[] args) {
        File directory = new File(SRC_FOLDER);
        //make sure directory exists
        if (!directory.exists()) {
            System.out.println("Directory does not exist.");
            System.exit(0);
        } else {
            try {
                delete(directory);
            } catch (IOException e) {
                e.printStackTrace();
                System.exit(0);
            }
        }
        System.out.println("Done");
    }

    public static void delete(File file) throws IOException {

        if (file.isDirectory()) {
            //directory is empty, then delete it
            if (file.list().length == 0) {
                file.delete();
                System.out.println("Directory is deleted : " + file.getAbsolutePath());
            } else {
                //list all the directory contents
                String files[] = file.list();

                for (String temp : files) {
                    //construct the file structure
                    File fileDelete = new File(file, temp);
                    //recursive delete
                    delete(fileDelete);
                }
                //check the directory again, if empty then delete it
                if (file.list().length == 0) {
                    file.delete();
                    System.out.println("Directory is deleted : "
                            + file.getAbsolutePath());
                }
            }
        } else {
            //if file, then delete it
            file.delete();
            System.out.println("File is deleted : " + file.getAbsolutePath());
        }
    }
}