001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 * 012 * $Id$ 013 */ 014 015package org.nuxeo.ecm.platform.rendering.fm.extensions; 016 017import java.io.IOException; 018import java.util.Map; 019 020import freemarker.core.Environment; 021import freemarker.template.SimpleScalar; 022import freemarker.template.Template; 023import freemarker.template.TemplateDirectiveBody; 024import freemarker.template.TemplateDirectiveModel; 025import freemarker.template.TemplateException; 026import freemarker.template.TemplateModel; 027import freemarker.template.TemplateModelException; 028 029/** 030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 031 */ 032public class ExtendsDirective implements TemplateDirectiveModel { 033 034 @Override 035 @SuppressWarnings("rawtypes") 036 public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) 037 throws TemplateException, IOException { 038 039 if (body == null) { 040 throw new TemplateModelException("Expecting a body"); 041 } 042 043 String src = null; 044 SimpleScalar scalar = (SimpleScalar) params.get("src"); 045 if (scalar != null) { 046 src = scalar.getAsString(); 047 } else { 048 throw new TemplateModelException("src attribute is not defined"); 049 } 050 051 BlockWriter writer = (BlockWriter) env.getOut(); 052 writer.suppressOutput = true; 053 body.render(writer); 054 writer.suppressOutput = false; 055 056 // now we should go into the base template and render it 057 // String oldPath = writer.reg.path; 058 // writer.reg.path = src; 059 Template temp = env.getConfiguration().getTemplate(src); 060 env.include(temp); 061 // writer.reg.path = oldPath; 062 } 063 064}