/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* bstefanescu
*
* $Id$
*/
package org.eclipse.ecr.web.rendering.fm.extensions;
import java.io.IOException;
import java.util.Map;
import freemarker.core.Environment;
import freemarker.template.SimpleScalar;
import freemarker.template.Template;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*
*/
public class ExtendsDirective implements TemplateDirectiveModel {
@SuppressWarnings("unchecked")
public void execute(Environment env, Map params, TemplateModel[] loopVars,
TemplateDirectiveBody body) throws TemplateException, IOException {
if (body == null) {
throw new TemplateModelException("Expecting a body");
}
String src = null;
SimpleScalar scalar = (SimpleScalar) params.get("src");
if (scalar != null) {
src = scalar.getAsString();
} else {
throw new TemplateModelException("src attribute is not defined");
}
BlockWriter writer = (BlockWriter) env.getOut();
writer.suppressOutput = true;
body.render(writer);
writer.suppressOutput = false;
// now we should go into the base template and render it
// String oldPath = writer.reg.path;
// writer.reg.path = src;
Template temp = env.getConfiguration().getTemplate(src);
env.include(temp);
// writer.reg.path = oldPath;
}
}