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Java > Open Source Codes > org > apache > ajp > AjpHandler


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.ajp;
18
19 import java.io.IOException JavaDoc;
20
21 import org.apache.tomcat.util.http.BaseRequest;
22
23 /**
24  * Base class for handlers of Ajp messages. Jk provide a simple bidirectional
25  * communication mechanism between the web server and a servlet container. It is
26  * based on messages that are passed between the 2 server, using a single
27  * thread on each side.
28  *
29  * The container side must be able to deal with at least the "REQUEST FORWARD",
30  * the server side must be able to deal with at least "HEADERS", "BODY",
31  * "END" messages.
32  *
33  * @author Henri Gomez
34  * @author Costin Manolache
35  */
36 public class AjpHandler
37 {
38     public static final int UNKNOWN=-1;
39     Ajp13 channel;
40     
41     public void init( Ajp13 channel ) {
42         this.channel=channel;
43     }
44     
45     /** Execute the callback
46      */
47     public int handleAjpMessage( int type, Ajp13 channel,
48                  Ajp13Packet ajp, BaseRequest req )
49     throws IOException JavaDoc
50     {
51     return UNKNOWN;
52     }
53 }
54
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