DefaultPKMapper.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.upgrade.util; 24 25 import com.liferay.portal.kernel.util.GetterUtil; 26 import com.liferay.portal.upgrade.StagnantRowException; 27 28 /** 29 * <a href="DefaultPKMapper.java.html"><b><i>View Source</i></b></a> 30 * 31 * @author Brian Wing Shun Chan 32 * 33 */ 34 public class DefaultPKMapper extends ValueMapperWrapper { 35 36 public DefaultPKMapper(ValueMapper valueMapper) { 37 super(valueMapper); 38 } 39 40 public Object getNewValue(Object oldValue) throws Exception { 41 String oldValueString = GetterUtil.getString( 42 String.valueOf(oldValue)); 43 44 if (oldValueString.equals("-1") || oldValueString.equals("0") || 45 oldValueString.equals("")) { 46 47 return new Long(0); 48 } 49 else { 50 try { 51 ValueMapper valueMapper = getValueMapper(); 52 53 return valueMapper.getNewValue(oldValue); 54 } 55 catch (StagnantRowException sre) { 56 return new Long(0); 57 } 58 } 59 } 60 61 }