1 //========================================================================
2 //Copyright 2006 Mort Bay Consulting Pty. Ltd.
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 //http://www.apache.org/licenses/LICENSE-2.0
8 //Unless required by applicable law or agreed to in writing, software
9 //distributed under the License is distributed on an "AS IS" BASIS,
10 //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 //See the License for the specific language governing permissions and
12 //limitations under the License.
13 //========================================================================
14
15 package org.mortbay.jetty.handler;
16
17 import java.io.IOException;
18
19 import javax.servlet.ServletException;
20 import javax.servlet.http.HttpServletRequest;
21 import javax.servlet.http.HttpServletResponse;
22
23 import org.mortbay.jetty.Handler;
24 import org.mortbay.jetty.HttpConnection;
25 import org.mortbay.jetty.Request;
26
27 /* ------------------------------------------------------------ */
28 /** HandlerList.
29 * This extension of {@link org.mortbay.jetty.handler.HandlerCollection} will call
30 * each contained handler in turn until either an exception is thrown, the response
31 * is committed or a positive response status is set.
32 */
33 public class HandlerList extends HandlerCollection
34 {
35 /* ------------------------------------------------------------ */
36 /*
37 * @see org.mortbay.jetty.EventHandler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
38 */
39 public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
40 throws IOException, ServletException
41 {
42 Handler[] handlers = getHandlers();
43
44 if (handlers!=null && isStarted())
45 {
46 Request base_request = HttpConnection.getCurrentConnection().getRequest();
47 for (int i=0;i<handlers.length;i++)
48 {
49 handlers[i].handle(target,request, response, dispatch);
50 if ( base_request.isHandled())
51 return;
52 }
53 }
54 }
55 }