001/* 002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Jean-Marc Orliaguet, Chalmers 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.theme.webengine.fm.extensions; 023 024import java.io.IOException; 025import java.io.Writer; 026import java.net.URL; 027import java.util.Map; 028 029import javax.servlet.http.HttpServletRequest; 030 031import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper; 032import org.nuxeo.ecm.webengine.WebEngine; 033import org.nuxeo.ecm.webengine.model.WebContext; 034import org.nuxeo.theme.html.ui.Resources; 035 036import freemarker.core.Environment; 037import freemarker.template.TemplateDirectiveBody; 038import freemarker.template.TemplateDirectiveModel; 039import freemarker.template.TemplateException; 040import freemarker.template.TemplateModel; 041import freemarker.template.TemplateModelException; 042 043/** 044 * @author <a href="mailto:jmo@chalmers.se">Jean-Marc Orliaguet</a> 045 */ 046public class NXThemesResourcesDirective implements TemplateDirectiveModel { 047 048 @SuppressWarnings("unchecked") 049 public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) 050 throws TemplateException, IOException { 051 052 if (loopVars.length != 0) { 053 throw new TemplateModelException("This directive doesn't allow loop variables."); 054 } 055 if (body != null) { 056 throw new TemplateModelException("Didn't expect a body"); 057 } 058 059 Writer writer = env.getOut(); 060 WebContext context = WebEngine.getActiveContext(); 061 HttpServletRequest request = context.getRequest(); 062 final URL themeUrl = (URL) request.getAttribute("org.nuxeo.theme.url"); 063 064 Map<String, String> attributes = Utils.getTemplateDirectiveParameters(params); 065 attributes.put("themeUrl", themeUrl.toString()); 066 attributes.put("path", context.getModulePath()); 067 attributes.put("basepath", context.getBasePath()); 068 attributes.put("contextPath", VirtualHostHelper.getContextPath(request)); 069 070 // why not use Utils.isWebEngineVirtualHosting(request) here? 071 Boolean virtualHosting = org.nuxeo.theme.html.Utils.isVirtualHosting(request); 072 writer.write(Resources.render(attributes, virtualHosting)); 073 } 074}