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.taglib.portlet;
016    
017    import com.liferay.portal.kernel.util.Validator;
018    
019    import javax.portlet.PortletURL;
020    
021    import javax.servlet.jsp.tagext.TagData;
022    import javax.servlet.jsp.tagext.TagExtraInfo;
023    import javax.servlet.jsp.tagext.VariableInfo;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class ActionURLTei extends TagExtraInfo {
029    
030            public VariableInfo[] getVariableInfo(TagData tagData) {
031                    String var = tagData.getAttributeString("var");
032                    String varImpl = tagData.getAttributeString("varImpl");
033    
034                    if (Validator.isNotNull(var)) {
035                            return new VariableInfo[] {
036                                    new VariableInfo(
037                                            var, String.class.getName(), true, VariableInfo.AT_END),
038                            };
039                    }
040                    else if (Validator.isNotNull(varImpl)) {
041                            return new VariableInfo[] {
042                                    new VariableInfo(
043                                            varImpl, PortletURL.class.getName(), true,
044                                            VariableInfo.AT_END),
045                            };
046                    }
047                    else {
048                            return null;
049                    }
050            }
051    
052    }