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  /*
   * 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 javax.faces.webapp;
 
 
 
see Javadoc of JSF Specification

Author(s):
Manfred Geiler (latest modification by $Author: grantsmith $)
Version:
$Revision: 482726 $ $Date: 2006-12-05 19:02:43 +0100 (Di, 05 Dez 2006) $
 
 public final class FacesServlet
         implements Servlet
 {
     private static final Log log = LogFactory.getLog(FacesServlet.class);
     public static final String CONFIG_FILES_ATTR = "javax.faces.CONFIG_FILES";
     public static final String LIFECYCLE_ID_ATTR = "javax.faces.LIFECYCLE_ID";
 
     private static final String SERVLET_INFO = "FacesServlet of the MyFaces API implementation";
     private ServletConfig _servletConfig;
     private Lifecycle _lifecycle;
 
     public FacesServlet()
     {
         super();
     }
 
     public void destroy()
     {
          = null;
          = null;
          = null;
 		if(.isTraceEnabled()) .trace("destroy");
     }
 
     public ServletConfig getServletConfig()
     {
         return ;
     }
 
     public String getServletInfo()
     {
         return ;
     }
 
     private String getLifecycleId()
     {
         return lifecycleId != null ? lifecycleId : .;
     }
 
     public void init(ServletConfig servletConfig)
             throws ServletException
     {
 		if(.isTraceEnabled()) .trace("init begin");
          = servletConfig;
         //TODO: null-check for Weblogic, that tries to initialize Servlet before ContextListener
 
         //Javadoc says: Lifecycle instance is shared across multiple simultaneous requests, it must be implemented in a thread-safe manner.
         //So we can acquire it here once:
         LifecycleFactory lifecycleFactory = (LifecycleFactory)FactoryFinder.getFactory(.);
          = lifecycleFactory.getLifecycle(getLifecycleId());
 		if(.isTraceEnabled()) .trace("init end");
     }
    public void service(ServletRequest request,
                        ServletResponse response)
            throws IOException,
                   ServletException
    {
        HttpServletRequest httpRequest = ((HttpServletRequestrequest);
        String pathInfo = httpRequest.getPathInfo();
        // if it is a prefix mapping ...
        if (pathInfo != null
                && (pathInfo.startsWith("/WEB-INF") || pathInfo
                        .startsWith("/META-INF")))
        {
            StringBuffer buffer = new StringBuffer();
            buffer.append(" Someone is trying to access a secure resource : ").append(pathInfo);
            buffer.append("\n remote address is ").append(httpRequest.getRemoteAddr());
            buffer.append("\n remote host is ").append(httpRequest.getRemoteHost());
            buffer.append("\n remote user is ").append(httpRequest.getRemoteUser());
            buffer.append("\n request URI is ").append(httpRequest.getRequestURI());
            .warn(buffer.toString());
            // Why does RI return a 404 and not a 403, SC_FORBIDDEN ?
            
            ((HttpServletResponseresponse)
                    .sendError(.);
            return;
        }
		if(.isTraceEnabled()) .trace("service begin");
        FacesContext facesContext
                                                       request,
                                                       response,
                                                       );
        try {
			.execute(facesContext);
			.render(facesContext);
		}
        catch (Throwable e)
        {
            if (e instanceof IOException)
            {
                throw (IOException)e;
            }
            else if (e instanceof ServletException)
            {
                throw (ServletException)e;
            }
            else if (e.getMessage() != null)
            {
                throw new ServletException(e.getMessage(), e);
            }
            else
            {
                throw new ServletException(e);
            }
        }
        finally
        {
            facesContext.release();
        }
		if(.isTraceEnabled()) .trace("service end");
    }
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