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Java > Open Source Codes > org > apache > geronimo > tomcat > valve > ComponentContextValve


1 /**
2  *
3  * Copyright 2003-2004 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * 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.geronimo.tomcat.valve;
18
19 import org.apache.catalina.connector.Request;
20 import org.apache.catalina.connector.Response;
21 import org.apache.catalina.valves.ValveBase;
22 import org.apache.geronimo.naming.java.RootContext;
23
24 import javax.naming.Context JavaDoc;
25 import javax.servlet.ServletException JavaDoc;
26 import java.io.IOException JavaDoc;
27
28 /**
29  * @version $Rev: $ $Date: $
30  */
31 public class ComponentContextValve extends ValveBase {
32
33     private final Context componentContext;
34
35     public ComponentContextValve(Context context){
36         componentContext = context;
37     }
38
39     public void invoke(Request request, Response response) throws IOException JavaDoc, ServletException JavaDoc {
40
41         //Get the old context
42 Context oldContext = RootContext.getComponentContext();
43
44         //Set the new context
45 RootContext.setComponentContext(componentContext);
46         // Pass this request on to the next valve in our pipeline
47 getNext().invoke(request, response);
48
49         //Set the old one back
50 RootContext.setComponentContext(oldContext);
51     }
52 }
53
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