001    /**
002     * Copyright 2010-2013 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.common.util.enc;
017    
018    import org.jasypt.util.text.BasicTextEncryptor;
019    import org.jasypt.util.text.StrongTextEncryptor;
020    import org.jasypt.util.text.TextEncryptor;
021    
022    public class EncUtils {
023    
024            /**
025             * Returns a <code>BasicTextEncryptor</code> that uses <code>password</code> to encrypt/decrypt.
026             */
027            public static TextEncryptor getTextEncryptor(String password) {
028                    return getTextEncryptor(password, EncStrength.DEFAULT_VALUE);
029            }
030    
031            /**
032             * Return a <code>BasicTextEncryptor</code> or <code>StrongTextEncryptor</code> depending on what <code>strength</code> is set to
033             */
034            public static TextEncryptor getTextEncryptor(String password, EncStrength strength) {
035                    switch (strength) {
036                    case BASIC:
037                            BasicTextEncryptor basic = new BasicTextEncryptor();
038                            basic.setPassword(password);
039                            return basic;
040                    case STRONG:
041                            StrongTextEncryptor strong = new StrongTextEncryptor();
042                            strong.setPassword(password);
043                            return strong;
044                    default:
045                            throw new IllegalArgumentException("Encryption strength [" + strength + "] is unknown");
046                    }
047            }
048    }