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.StringWriter; 026import java.net.URL; 027import java.util.Map; 028 029import javax.servlet.http.HttpServletRequest; 030 031import org.nuxeo.ecm.webengine.WebEngine; 032import org.nuxeo.ecm.webengine.model.WebContext; 033import org.nuxeo.theme.Manager; 034 035import freemarker.core.Environment; 036import freemarker.template.TemplateDirectiveBody; 037import freemarker.template.TemplateDirectiveModel; 038import freemarker.template.TemplateException; 039import freemarker.template.TemplateModel; 040import freemarker.template.TemplateModelException; 041 042/** 043 * @author <a href="mailto:jmo@chalmers.se">Jean-Marc Orliaguet</a> 044 */ 045public class NXThemesRequireDirective implements TemplateDirectiveModel { 046 047 public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) 048 throws TemplateException, IOException { 049 050 if (!params.isEmpty()) { 051 throw new TemplateModelException("This directive doesn't allow parameters."); 052 } 053 if (loopVars.length != 0) { 054 throw new TemplateModelException("This directive doesn't allow loop variables."); 055 } 056 if (body == null) { 057 throw new TemplateModelException("This directive expects a body"); 058 } 059 060 WebContext context = WebEngine.getActiveContext(); 061 HttpServletRequest request = context.getRequest(); 062 final URL themeUrl = (URL) request.getAttribute("org.nuxeo.theme.url"); 063 064 StringWriter sw = new StringWriter(); 065 body.render(sw); 066 String resourceName = sw.getBuffer().toString(); 067 068 // Register as a local resource 069 final boolean local = true; 070 Manager.getResourceManager().addResource(resourceName, themeUrl, local); 071 } 072}