001    /**
002     *
003     * Copyright 2005 The Apache Software Foundation
004     *
005     *  Licensed under the Apache License, Version 2.0 (the "License");
006     *  you may not use this file except in compliance with the License.
007     *  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     */
017    package org.apache.geronimo.util;
018    
019    import java.io.Serializable;
020    
021    /**
022     * A static class that handles storing and reading values, potentially using
023     * encryption.  This can be used as the interface to any back-end encryption
024     * services.
025     *
026     * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $
027     */
028    public class EncryptionManager {
029        private final static String SIMPLE_ENCRYPTION_PREFIX = "{Simple}";
030    
031        /**
032         * Gets a String which contains the Base64-encoded form of the
033         * encrypted form of the source.
034         */
035        public static String encrypt(Serializable source) {
036            return SIMPLE_ENCRYPTION_PREFIX +SimpleEncryption.encrypt(source);
037        }
038    
039        /**
040         * Given a String which is the Base64-encoded encrypted data, retrieve
041         * the original Object.
042         */
043        public static Object decrypt(String source) {
044            if(source.startsWith(SIMPLE_ENCRYPTION_PREFIX)) {
045                return SimpleEncryption.decrypt(source.substring(SIMPLE_ENCRYPTION_PREFIX.length()));
046            }
047            return source;
048        }
049    }