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.aui;
016    
017    import com.liferay.taglib.util.IncludeTag;
018    
019    import javax.servlet.http.HttpServletRequest;
020    
021    /**
022     * @author Jorge Ferrer
023     * @author Brian Wing Shun Chan
024     */
025    public class ModelContextTag extends IncludeTag {
026    
027            public void setBean(Object bean) {
028                    _bean = bean;
029            }
030    
031            public void setModel(Class<?> model) {
032                    _model = model;
033            }
034    
035            protected void cleanUp() {
036                    _bean = null;
037                    _model = null;
038            }
039    
040            protected void setAttributes(HttpServletRequest request) {
041                    if (_model != null) {
042                            pageContext.setAttribute("aui:model-context:bean", _bean);
043                            pageContext.setAttribute("aui:model-context:model", _model);
044                    }
045                    else {
046                            pageContext.removeAttribute("aui:model-context:bean");
047                            pageContext.removeAttribute("aui:model-context::model");
048                    }
049            }
050    
051            private Object _bean;
052            private Class<?> _model;
053    
054    }