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


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.valves.ValveBase;
20 import org.apache.catalina.connector.Request;
21 import org.apache.catalina.connector.Response;
22
23 import javax.servlet.ServletException JavaDoc;
24 import javax.security.jacc.PolicyContext JavaDoc;
25 import java.io.IOException JavaDoc;
26
27 /**
28  * @version $Rev: $ $Date: $
29  */
30
31 public class PolicyContextValve extends ValveBase{
32
33     private final String JavaDoc policyContextID;
34
35     public PolicyContextValve(String JavaDoc policyContextID){
36         this.policyContextID = policyContextID;
37     }
38
39     public void invoke(Request request, Response response) throws IOException JavaDoc, ServletException JavaDoc {
40
41         String JavaDoc oldId = PolicyContext.getContextID();
42
43         PolicyContext.setContextID(policyContextID);
44         PolicyContext.setHandlerData(request);
45
46         // Pass this request on to the next valve in our pipeline
47 getNext().invoke(request, response);
48
49         PolicyContext.setContextID(oldId);
50     }
51 }
52
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