001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.dao.orm.hibernate;
016    
017    import com.liferay.portal.kernel.util.StringPool;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     */
022    public class StringType extends org.hibernate.type.StringType {
023    
024            public boolean isEqual(Object x, Object y) {
025                    boolean equal = super.isEqual(x, y);
026    
027                    if (!equal) {
028                            if (((x == null) || x.equals(StringPool.BLANK)) &&
029                                    ((y == null) || y.equals(StringPool.BLANK))) {
030    
031                                    equal = true;
032                            }
033                            else {
034                                    equal = false;
035                            }
036                    }
037    
038                    return equal;
039            }
040    
041    }