001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.util;
018
019/**
020 * Allows passwords to be encrypted and decrypted.
021 *
022 * @since 2.0
023 */
024public final class EncryptUtil {
025
026    /**
027     * This class can be called with "encrypt" password as the arguments where encrypt is a literal and password is
028     * replaced with the clear text password to be encrypted.
029     *
030     * @param args The arguments in the form "command" parm1, parm2.
031     * @throws Exception If an error occurs.
032     */
033    public static void main(final String[] args) throws Exception {
034        if (args.length != 2 || !args[0].equals("encrypt")) {
035            System.err.println("Usage: \"EncryptUtil encrypt\" password");
036            System.err.println("     password : The clear text password to encrypt");
037            System.exit(0);
038        }
039        final Cryptor cryptor = CryptorFactory.getCryptor();
040
041        if (args[0].equals("encrypt")) {
042            System.out.println(cryptor.encrypt(args[1]));
043        }
044    }
045
046    /**
047     * Don't allow class instantiation.
048     */
049    private EncryptUtil() {
050    }
051}