IGImageNameColumnImpl.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.upgrade.v5_0_0.util; 16 17 import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl; 18 import com.liferay.portal.kernel.upgrade.util.UpgradeColumn; 19 import com.liferay.portal.kernel.util.Validator; 20 21 /** 22 * <a href="IGImageNameColumnImpl.java.html"><b><i>View Source</i></b></a> 23 * 24 * @author Alexander Chow 25 */ 26 public class IGImageNameColumnImpl extends BaseUpgradeColumnImpl { 27 28 public IGImageNameColumnImpl(UpgradeColumn imageIdColumn) { 29 super("name"); 30 31 _imageIdColumn = imageIdColumn; 32 } 33 34 public Object getNewValue(Object oldValue) throws Exception { 35 String oldString = (String)oldValue; 36 37 if (Validator.isNull(oldString)) { 38 return _imageIdColumn.getOldValue(); 39 } 40 else { 41 return oldString; 42 } 43 } 44 45 private UpgradeColumn _imageIdColumn; 46 47 }