001    /**
002     * Copyright (c) 2000-2013 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.util.freemarker;
016    
017    import com.liferay.portal.kernel.servlet.PortletServlet;
018    import com.liferay.portal.kernel.servlet.ServletContextPool;
019    import com.liferay.portal.kernel.template.Template;
020    import com.liferay.portal.kernel.template.TemplateConstants;
021    import com.liferay.portal.kernel.template.TemplateTaglibSupportProvider;
022    import com.liferay.portal.util.PortalUtil;
023    
024    import freemarker.ext.servlet.HttpRequestHashModel;
025    import freemarker.ext.servlet.ServletContextHashModel;
026    
027    import freemarker.template.ObjectWrapper;
028    import freemarker.template.TemplateHashModel;
029    
030    import javax.portlet.PortletRequest;
031    import javax.portlet.PortletResponse;
032    
033    import javax.servlet.ServletConfig;
034    import javax.servlet.ServletContext;
035    import javax.servlet.http.HttpServletRequest;
036    import javax.servlet.http.HttpServletResponse;
037    
038    /**
039     * @author Raymond Augé
040     */
041    public class FreeMarkerTemplateTaglibSupportProvider
042            implements TemplateTaglibSupportProvider {
043    
044            @Override
045            public void addTaglibSupport(
046                            Template template, String servletContextName,
047                            PortletRequest portletRequest, PortletResponse portletResponse)
048                    throws Exception {
049    
050                    HttpServletRequest request = PortalUtil.getHttpServletRequest(
051                            portletRequest);
052    
053                    template.prepare(request);
054    
055                    template.put(
056                            "fullTemplatesPath", servletContextName.concat(
057                                    TemplateConstants.SERVLET_SEPARATOR));
058    
059                    ServletConfig servletConfig =
060                            (ServletConfig)portletRequest.getAttribute(
061                                    PortletServlet.PORTLET_SERVLET_CONFIG);
062    
063                    PortletServlet portletServlet = new PortletServlet();
064    
065                    portletServlet.init(servletConfig);
066    
067                    ServletContextHashModel servletContextHashModel =
068                            new ServletContextHashModel(
069                                    portletServlet, ObjectWrapper.DEFAULT_WRAPPER);
070    
071                    template.put("Application", servletContextHashModel);
072    
073                    ServletContext servletContext = ServletContextPool.get(
074                            servletContextName);
075    
076                    TemplateHashModel taglibsFactory =
077                            FreeMarkerTaglibFactoryUtil.createTaglibFactory(servletContext);
078    
079                    template.put("PortletJspTagLibs", taglibsFactory);
080    
081                    HttpServletResponse response = PortalUtil.getHttpServletResponse(
082                            portletResponse);
083    
084                    HttpRequestHashModel httpRequestHashModel = new HttpRequestHashModel(
085                            request, response, ObjectWrapper.DEFAULT_WRAPPER);
086    
087                    template.put("Request", httpRequestHashModel);
088            }
089    
090    }