001    /**
002     * Copyright (c) 2000-2011 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.util;
016    
017    import javax.servlet.jsp.JspException;
018    import javax.servlet.jsp.tagext.TagSupport;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class ParamTag extends TagSupport {
024    
025            public int doStartTag() throws JspException {
026                    ParamAncestorTag paramAncestor =
027                            (ParamAncestorTag)findAncestorWithClass(
028                                    this, ParamAncestorTag.class);
029    
030                    if (paramAncestor == null) {
031                            throw new JspException();
032                    }
033    
034                    paramAncestor.addParam(_name, _value);
035    
036                    return EVAL_BODY_INCLUDE;
037            }
038    
039            public void setName(String name) {
040                    _name = name;
041            }
042    
043            public void setValue(String value) {
044                    _value = value;
045            }
046    
047            private String _name;
048            private String _value;
049    
050    }