org.apache.myfaces.webapp.MyFacesServlet Maven / Gradle / Ivy

/*
 * 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.myfaces.webapp;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

import jakarta.faces.webapp.FacesServlet;
import jakarta.servlet.Servlet;
import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;

/**
 * Derived FacesServlet that can be used for debugging purpose
 * and to fix the Weblogic startup issue (FacesServlet is initialized before ServletContextListener).
 *
 * @author Manfred Geiler (latest modification by $Author$)
 * @version $Revision$ $Date$
 */
public class MyFacesServlet implements Servlet
{
    private static final Logger log = Logger.getLogger(MyFacesServlet.class.getName());

    private final FacesServlet delegate = new FacesServlet();
    
    private FacesInitializer facesInitializer;

    @Override
    public void init(ServletConfig servletConfig) throws ServletException
    {
        if (facesInitializer == null)
        {
            facesInitializer = FacesInitializerFactory.getFacesInitializer(servletConfig.getServletContext());
        }
        facesInitializer.initFaces(servletConfig.getServletContext());
        
        delegate.init(servletConfig);
    }
    
    @Override
    public void service(ServletRequest request, ServletResponse response) throws IOException, ServletException
    {
        if (log.isLoggable(Level.FINEST))
        {
            log.finest("MyFacesServlet service start");
        }
        
        delegate.service(request, response);
        
        if (log.isLoggable(Level.FINEST))
        {
            log.finest("MyFacesServlet service finished");
        }
    }
    
    @Override
    public void destroy()
    {
        if (facesInitializer == null)
        {
            facesInitializer = FacesInitializerFactory.getFacesInitializer(getServletConfig().getServletContext());
        }
        facesInitializer.destroyFaces(getServletConfig().getServletContext());

        delegate.destroy();
    }

    @Override
    public ServletConfig getServletConfig()
    {
        return delegate.getServletConfig();
    }

    @Override
    public String getServletInfo()
    {
        return delegate.getServletInfo();
    }
}