/*
* $Id: FreemarkerPageFilter.java 1077833 2011-03-04 06:51:59Z lukaszlenart $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.struts2.sitemesh;
import com.opensymphony.module.sitemesh.Config;
import com.opensymphony.module.sitemesh.Factory;
import com.opensymphony.sitemesh.DecoratorSelector;
import com.opensymphony.sitemesh.webapp.SiteMeshFilter;
import com.opensymphony.sitemesh.webapp.SiteMeshWebAppContext;
import com.opensymphony.xwork2.inject.Inject;
import org.apache.struts2.views.freemarker.FreemarkerManager;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
/**
* Core Filter for integrating SiteMesh + Freemarker into
* a Java web application.
*/
public class FreemarkerPageFilter extends SiteMeshFilter {
/*
* @see com.opensymphony.module.sitemesh.Factory.SITEMESH_FACTORY
*/
private static final String SITEMESH_FACTORY = "sitemesh.factory";
@Inject(required = false)
public static void setFreemarkerManager(FreemarkerManager mgr) {
OldDecorator2NewStrutsFreemarkerDecorator.setFreemarkerManager(mgr);
}
private FilterConfig filterConfig;
public void init(FilterConfig filterConfig) {
this.filterConfig = filterConfig;
super.init(filterConfig);
ServletContext sc = filterConfig.getServletContext();
Factory instance = (Factory) sc.getAttribute(SITEMESH_FACTORY);
if (instance == null) {
sc.setAttribute(SITEMESH_FACTORY, new StrutsSiteMeshFactory(new Config(filterConfig)));
}
}
protected DecoratorSelector initDecoratorSelector(SiteMeshWebAppContext webAppContext) {
Factory factory = Factory.getInstance(new Config(filterConfig));
factory.refresh();
return new FreemarkerMapper2DecoratorSelector(factory.getDecoratorMapper());
}
}