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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs2.util;
18  
19  /**
20   * Allows passwords to be encrypted and decrypted.
21   *
22   * @since 2.0
23   */
24  public final class EncryptUtil {
25  
26      /**
27       * Don't allow class instantiation.
28       */
29      private EncryptUtil() {
30      }
31  
32      /**
33       * This class can be called with "encrypt" password as the arguments where encrypt is a literal and password is
34       * replaced with the clear text password to be encrypted.
35       *
36       * @param args The arguments in the form "command" parm1, parm2.
37       * @throws Exception If an error occurs.
38       */
39      public static void main(final String[] args) throws Exception {
40          if (args.length != 2 || !args[0].equals("encrypt")) {
41              System.err.println("Usage: \"EncryptUtil encrypt\" password");
42              System.err.println("     password : The clear text password to encrypt");
43              System.exit(0);
44          }
45          final Cryptor cryptor = CryptorFactory.getCryptor();
46  
47          if (args[0].equals("encrypt")) {
48              System.out.println(cryptor.encrypt(args[1]));
49          }
50      }
51  }