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  }