001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.upgrade.v5_2_3.util;
016    
017    import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
018    import com.liferay.portal.kernel.util.StringPool;
019    import com.liferay.portal.kernel.util.StringUtil;
020    import com.liferay.portal.kernel.util.Validator;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class TagsPropertyValueUpgradeColumnImpl extends BaseUpgradeColumnImpl {
026    
027            public TagsPropertyValueUpgradeColumnImpl(String name) {
028                    super(name);
029            }
030    
031            public Object getNewValue(Object oldValue) throws Exception {
032                    String value = (String)oldValue;
033    
034                    if (Validator.isNull(value)) {
035                            return StringPool.BLANK;
036                    }
037                    else {
038                            return StringUtil.shorten(value, 255, StringPool.BLANK);
039                    }
040            }
041    
042    }