001    /**
002     * Copyright (c) 2000-2011 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.upgrade.v4_3_0.util;
016    
017    import com.liferay.portal.kernel.upgrade.util.ValueMapper;
018    import com.liferay.portal.kernel.upgrade.util.ValueMapperWrapper;
019    import com.liferay.util.PKParser;
020    
021    /**
022     * @author Brian Wing Shun Chan
023     */
024    public class MBMessageIdMapper extends ValueMapperWrapper {
025    
026            public MBMessageIdMapper(ValueMapper valueMapper) {
027                    super(valueMapper);
028            }
029    
030            public Object getNewValue(Object oldValue) throws Exception {
031                    PKParser pkParser = new PKParser((String)oldValue);
032    
033                    ValueMapper valueMapper = getValueMapper();
034    
035                    return valueMapper.getNewValue(new Long(pkParser.getLong("messageId")));
036            }
037    
038    }