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    1   /*
    2    * $Id: DefaultActionSupport.java 651946 2008-04-27 13:41:38Z apetrelli $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
   10    * with the License.  You may obtain a copy of the License at
   11    *
   12    *  http://www.apache.org/licenses/LICENSE-2.0
   13    *
   14    * Unless required by applicable law or agreed to in writing,
   15    * software distributed under the License is distributed on an
   16    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   17    * KIND, either express or implied.  See the License for the
   18    * specific language governing permissions and limitations
   19    * under the License.
   20    */
   21   package org.apache.struts2.dispatcher.ng;
   22   
   23   import org.apache.struts2.dispatcher.Dispatcher;
   24   import org.apache.struts2.dispatcher.StaticContentLoader;
   25   import org.apache.struts2.dispatcher.mapper.ActionMapping;
   26   import org.apache.struts2.RequestUtils;
   27   
   28   import javax.servlet.ServletContext;
   29   import javax.servlet.ServletException;
   30   import javax.servlet.http.HttpServletRequest;
   31   import javax.servlet.http.HttpServletResponse;
   32   import java.io.IOException;
   33   
   34   /**
   35    * Contains execution operations for filters
   36    */
   37   public class ExecuteOperations {
   38       private ServletContext servletContext;
   39       private Dispatcher dispatcher;
   40   
   41       public ExecuteOperations(ServletContext servletContext, Dispatcher dispatcher) {
   42           this.dispatcher = dispatcher;
   43           this.servletContext = servletContext;
   44       }
   45   
   46       /**
   47        * Tries to execute a request for a static resource
   48        * @return True if it was handled, false if the filter should fall through
   49        * @throws IOException
   50        * @throws ServletException
   51        */
   52       public boolean executeStaticResourceRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
   53           // there is no action in this request, should we look for a static resource?
   54           String resourcePath = RequestUtils.getServletPath(request);
   55   
   56           if ("".equals(resourcePath) && null != request.getPathInfo()) {
   57               resourcePath = request.getPathInfo();
   58           }
   59   
   60           StaticContentLoader staticResourceLoader = dispatcher.getContainer().getInstance(StaticContentLoader.class);
   61           if (staticResourceLoader.canHandle(resourcePath)) {
   62               staticResourceLoader.findStaticResource(resourcePath, request, response);
   63               // The framework did its job here
   64               return true;
   65   
   66           } else {
   67               // this is a normal request, let it pass through
   68               return false;
   69           }
   70       }
   71   
   72       /**
   73        * Executes an action
   74        * @throws ServletException
   75        */
   76       public void executeAction(HttpServletRequest request, HttpServletResponse response, ActionMapping mapping) throws ServletException {
   77           dispatcher.serviceAction(request, response, servletContext, mapping);
   78       }
   79   }

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