001/* 002 * (C) Copyright 2006-2011 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 * bstefanescu 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.rendering.wiki.extensions; 023 024import java.io.IOException; 025import java.io.StringReader; 026import java.io.StringWriter; 027import java.io.Writer; 028 029import org.nuxeo.ecm.platform.rendering.wiki.WikiMacro; 030import org.nuxeo.ecm.platform.rendering.wiki.WikiSerializerHandler; 031import org.wikimodel.wem.WikiParameters; 032 033import freemarker.core.Environment; 034import freemarker.template.Template; 035import freemarker.template.TemplateException; 036 037/** 038 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 039 */ 040public class FreemarkerMacro implements WikiMacro { 041 042 public String getName() { 043 return "freemarker"; 044 } 045 046 public void eval(WikiParameters params, String content, WikiSerializerHandler serializer) throws IOException, 047 TemplateException { 048 Environment env = serializer.getEnvironment(); 049 if (env != null) { 050 Template tpl = new Template("inline", new StringReader(content), env.getConfiguration(), 051 env.getTemplate().getEncoding()); 052 Writer oldw = env.getOut(); 053 Writer neww = new StringWriter(); 054 try { 055 env.setOut(neww); 056 env.include(tpl); 057 } finally { 058 env.setOut(oldw); 059 } 060 serializer.getWriter().print(neww.toString()); 061 } 062 } 063 064 public void evalInline(WikiParameters params, String content, WikiSerializerHandler serializer) throws IOException, 065 TemplateException { 066 eval(params, content, serializer); 067 } 068 069}