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Java > Open Source Codes > org > apache > servicemix > components > http > BindingServlet


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.components.http;
18
19 import javax.jbi.JBIException;
20 import javax.servlet.ServletConfig JavaDoc;
21 import javax.servlet.ServletException JavaDoc;
22 import javax.servlet.http.HttpServlet JavaDoc;
23 import javax.servlet.http.HttpServletRequest JavaDoc;
24 import javax.servlet.http.HttpServletResponse JavaDoc;
25
26 import java.io.IOException JavaDoc;
27
28 /**
29  * A Servlet which dispatches requests into the JBI container and returns the result.
30  *
31  * @version $Revision: 426415 $
32  */
33 public class BindingServlet extends HttpServlet JavaDoc {
34
35     private HttpBinding binding;
36
37     /**
38      * get da binding
39      *
40      * @return the binding
41      */
42     public HttpBinding getBinding() {
43         return binding;
44     }
45
46     public void setBinding(HttpBinding binding) {
47         this.binding = binding;
48     }
49
50
51     public void init(ServletConfig JavaDoc config) throws ServletException JavaDoc {
52         super.init(config);
53         if (binding == null) {
54             binding = (HttpBinding) getServletContext().getAttribute("binding");
55             if (binding == null) {
56                 binding = createHttpBinding(config);
57             }
58                 if (binding == null) {
59                 throw new ServletException JavaDoc("No binding property available on the servlet context");
60             }
61         }
62     }
63
64     
65     protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc {
66         try {
67             getBinding().process(request, response);
68         }
69         catch (JBIException e) {
70             throw new ServletException JavaDoc("Failed to process JBI request: " + e, e);
71         }
72     }
73
74     protected void doPost(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc {
75         try {
76             getBinding().process(request, response);
77         }
78         catch (JBIException e) {
79             throw new ServletException JavaDoc("Failed to process JBI request: " + e, e);
80         }
81     }
82
83     protected HttpBinding createHttpBinding(ServletConfig JavaDoc config) throws ServletException JavaDoc {
84         // lets default to in/out
85 return new HttpInOutBinding();
86     }
87
88 }
89
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