Source code: org/apache/ajp/AjpHandler.java
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;
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
50 {
51 return UNKNOWN;
52 }
53 }