FileUtil.java

/*
 * Copyright (c) [2016] [ <ether.camp> ]
 * This file is part of the ethereumJ library.
 *
 * The ethereumJ library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The ethereumJ library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
 */
package org.ethereum.util;

import java.io.File;

public class FileUtil {

    public static boolean recursiveDelete(String fileName) {
        File file = new File(fileName);
        if (file.exists()) {
            //check if the file is a directory
            if (file.isDirectory()) {
                if ((file.list()).length > 0) {
                    for(String s:file.list()){
                        //call deletion of file individually
                        recursiveDelete(fileName + System.getProperty("file.separator") + s);
                    }
                }
            }

            file.setWritable(true);
            boolean result = file.delete();
            return result;
        } else {
            return false;
        }
    }

}