WebPipeline


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package com.sun.enterprise.web;
25  
26  import java.io.IOException  ;
27  import javax.servlet.ServletException  ;
28  import javax.servlet.http.HttpServletRequest  ;
29  import org.apache.catalina.Container;
30  import org.apache.catalina.Request;
31  import org.apache.catalina.Response;
32  import org.apache.catalina.core.StandardPipeline;
33  
34  /**
35   * Pipeline whose invoke logic checks if a given request path represents
36   * an ad-hoc path: If so, this pipeline delegates the request to the
37   * ad-hoc pipeline of its associated web module. Otherwise, this pipeline
38   * processes the request.
39   */
40  public class WebPipeline extends StandardPipeline {
41  
42      private WebModule webModule;
43      
44      /** 
45       * creates an instance of WebPipeline
46       * @param container
47       */       
48      public WebPipeline(Container container) {
49          super(container);
50          if(container instanceof WebModule) {
51              this.webModule = (WebModule)container;
52          }
53      }    
54  
55      /**
56       * Processes the specified request, and produces the appropriate
57       * response, by invoking the first valve (if any) of this pipeline, or
58       * the pipeline's basic valve.
59       *
60       * If the request path to process identifies an ad-hoc path, the
61       * web module's ad-hoc pipeline is invoked.
62       *
63       * @param request The request to process
64       * @param response The response to return
65       */
66      public void invoke(Request   request, Response response)
67              throws IOException  , ServletException   {
68  
69          HttpServletRequest   hreq = (HttpServletRequest  ) request.getRequest();
70          if (webModule != null && webModule.getAdHocServletName(hreq.getServletPath()) != null) {    
71              webModule.getAdHocPipeline().invoke(request, response);
72          } else {
73              doInvoke(request, response);
74          }
75      }    
76  }
77
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags