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.upgrade.v4_3_0.util;
016    
017    import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     */
022    public class ImageHeightUpgradeColumnImpl extends BaseUpgradeColumnImpl {
023    
024            public ImageHeightUpgradeColumnImpl(ImageTextUpgradeColumnImpl textColumn) {
025                    super("height");
026    
027                    _textColumn = textColumn;
028            }
029    
030            public Object getNewValue(Object oldValue) throws Exception {
031                    Integer height = _textColumn.getHeight();
032    
033                    if (height != null) {
034                            return height;
035                    }
036                    else {
037                            return oldValue;
038                    }
039            }
040    
041            private ImageTextUpgradeColumnImpl _textColumn;
042    
043    }