001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.servlet; 021 022 import org.apache.commons.logging.Log; 023 import org.apache.commons.logging.LogFactory; 024 import org.apache.myfaces.tobago.config.Attribute; 025 import org.apache.myfaces.tobago.config.MappingRule; 026 import org.apache.myfaces.tobago.config.TobagoConfig; 027 028 import javax.faces.context.FacesContext; 029 import javax.servlet.RequestDispatcher; 030 import javax.servlet.ServletException; 031 import javax.servlet.ServletRequest; 032 import javax.servlet.http.HttpServlet; 033 import javax.servlet.http.HttpServletRequest; 034 import javax.servlet.http.HttpServletResponse; 035 import java.io.IOException; 036 import java.util.Iterator; 037 038 /** 039 * @deprecated Please use JSP 2.0 tag-files or an other template mechanism. 040 */ 041 @Deprecated 042 public class TemplateServlet extends HttpServlet { 043 044 private static final long serialVersionUID = -646440036923109210L; 045 046 private static final Log LOG = LogFactory.getLog(TemplateServlet.class); 047 048 public void service( 049 HttpServletRequest request, HttpServletResponse response) 050 throws ServletException, IOException { 051 052 String viewId = request.getRequestURI().substring( 053 request.getContextPath().length()); 054 055 if (LOG.isDebugEnabled()) { 056 LOG.debug("viewId = '" + viewId + "'"); 057 } 058 String requestUri = remap(request, viewId); 059 if (LOG.isDebugEnabled()) { 060 LOG.debug("requestUri = '" + requestUri + "'"); 061 } 062 063 if (requestUri.endsWith(".view")) { // TODO: make .view configurable 064 String error = "cannot find URI in config file: '" + requestUri + "'"; 065 LOG.error(error); 066 throw new ServletException(error); 067 } 068 069 if (LOG.isDebugEnabled()) { 070 LOG.debug("requestUri = '" + requestUri + "'"); 071 } 072 073 try { 074 RequestDispatcher dispatcher = request.getRequestDispatcher(requestUri); 075 dispatcher.forward(request, response); 076 } catch (IOException e) { 077 LOG.error("requestUri '" + requestUri + "' " 078 + "viewId '" + viewId + "' ", e); 079 throw e; 080 } catch (ServletException e) { 081 LOG.error("requestUri '" + requestUri + "' " 082 + "viewId '" + viewId + "' ", e); 083 throw e; 084 } 085 } 086 087 private String remap(ServletRequest request, String requestURI) { 088 FacesContext facesContext = FacesContext.getCurrentInstance(); 089 TobagoConfig config = TobagoConfig.getInstance(facesContext); 090 MappingRule mappingRule = config.getMappingRule(requestURI); 091 if (mappingRule == null) { 092 return requestURI; 093 } 094 for (Iterator i = mappingRule.getAttributes().iterator(); i.hasNext();) { 095 Attribute attribute = (Attribute) i.next(); 096 request.setAttribute(attribute.getKey(), attribute.getValue()); 097 } 098 return mappingRule.getForwardUri(); 099 } 100 101 }