001    /**
002     * Copyright (c) 2000-present 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.util.freemarker;
016    
017    import com.liferay.portal.kernel.servlet.JSPSupportServlet;
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.GenericServlet;
034    import javax.servlet.ServletContext;
035    import javax.servlet.http.HttpServletRequest;
036    import javax.servlet.http.HttpServletRequestWrapper;
037    import javax.servlet.http.HttpServletResponseWrapper;
038    
039    /**
040     * @author Raymond Aug??
041     */
042    public class FreeMarkerTemplateTaglibSupportProvider
043            implements TemplateTaglibSupportProvider {
044    
045            @Override
046            public void addTaglibSupport(
047                            Template template, String servletContextName,
048                            PortletRequest portletRequest, PortletResponse portletResponse)
049                    throws Exception {
050    
051                    HttpServletRequest request = PortalUtil.getHttpServletRequest(
052                            portletRequest);
053    
054                    template.prepare(request);
055    
056                    template.put(
057                            "fullTemplatesPath", servletContextName.concat(
058                                    TemplateConstants.SERVLET_SEPARATOR));
059    
060                    ServletContext servletContext = ServletContextPool.get(
061                            servletContextName);
062    
063                    GenericServlet genericServlet = new JSPSupportServlet(servletContext);
064    
065                    ServletContextHashModel servletContextHashModel =
066                            new ServletContextHashModel(
067                                    genericServlet, ObjectWrapper.DEFAULT_WRAPPER);
068    
069                    template.put("Application", servletContextHashModel);
070    
071                    TemplateHashModel taglibsFactory =
072                            FreeMarkerTaglibFactoryUtil.createTaglibFactory(servletContext);
073    
074                    template.put("PortletJspTagLibs", taglibsFactory);
075    
076                    HttpServletRequestWrapper httpServletRequestWrapper =
077                            new HttpServletRequestWrapper(
078                                    PortalUtil.getHttpServletRequest(portletRequest));
079                    HttpServletResponseWrapper httpServletResponseWrapper =
080                            new HttpServletResponseWrapper(
081                                    PortalUtil.getHttpServletResponse(portletResponse));
082    
083                    HttpRequestHashModel httpRequestHashModel =
084                            new HttpRequestHashModel(
085                                    httpServletRequestWrapper, httpServletResponseWrapper,
086                                    ObjectWrapper.DEFAULT_WRAPPER);
087    
088                    template.put("Request", httpRequestHashModel);
089            }
090    
091    }