1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/RequestConnControl.java $
3  * $Revision: 496070 $
4  * $Date: 2007-01-14 04:18:34 -0800 (Sun, 14 Jan 2007) $
5  *
6  * ====================================================================
7  * Licensed to the Apache Software Foundation (ASF) under one
8  * or more contributor license agreements.  See the NOTICE file
9  * distributed with this work for additional information
10  * regarding copyright ownership.  The ASF licenses this file
11  * to you under the Apache License, Version 2.0 (the
12  * "License"); you may not use this file except in compliance
13  * with the License.  You may obtain a copy of the License at
14  *
15  *   http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing,
18  * software distributed under the License is distributed on an
19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20  * KIND, either express or implied.  See the License for the
21  * specific language governing permissions and limitations
22  * under the License.
23  * ====================================================================
24  *
25  * This software consists of voluntary contributions made by many
26  * individuals on behalf of the Apache Software Foundation.  For more
27  * information on the Apache Software Foundation, please see
28  * <http://www.apache.org/>.
29  *
30  */
31 
32 package org.apache.http.protocol;
33 
34 import java.io.IOException;
35 
36 import org.apache.http.HttpException;
37 import org.apache.http.HttpRequest;
38 import org.apache.http.HttpRequestInterceptor;
39 
40 /**
41  * A request interceptor that suggests connection keep-alive to the server.
42  *
43  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
44  *
45  * @version $Revision: 496070 $
46  *
47  * @since 4.0
48  *
49  * @deprecated Please use {@link java.net.URL#openConnection} instead.
50  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
51  *     for further details.
52  */
53 @Deprecated
54 public class RequestConnControl implements HttpRequestInterceptor {
55 
RequestConnControl()56     public RequestConnControl() {
57         super();
58     }
59 
process(final HttpRequest request, final HttpContext context)60     public void process(final HttpRequest request, final HttpContext context)
61             throws HttpException, IOException {
62         if (request == null) {
63             throw new IllegalArgumentException("HTTP request may not be null");
64         }
65         if (!request.containsHeader(HTTP.CONN_DIRECTIVE)) {
66             // Default policy is to keep connection alive
67             // whenever possible
68             request.addHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE);
69         }
70     }
71 
72 }
73