1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/ResponseDate.java $
3  * $Revision: 555989 $
4  * $Date: 2007-07-13 06:33:39 -0700 (Fri, 13 Jul 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.HttpResponse;
38 import org.apache.http.HttpResponseInterceptor;
39 import org.apache.http.HttpStatus;
40 
41 /**
42  * A response interceptor that adds a Date header.
43  * For use on the server side.
44  *
45  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
46  *
47  * @version $Revision: 555989 $
48  *
49  * @since 4.0
50  *
51  * @deprecated Please use {@link java.net.URL#openConnection} instead.
52  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
53  *     for further details.
54  */
55 @Deprecated
56 public class ResponseDate implements HttpResponseInterceptor {
57 
58     private static final HttpDateGenerator DATE_GENERATOR = new HttpDateGenerator();
59 
ResponseDate()60     public ResponseDate() {
61         super();
62     }
63 
process(final HttpResponse response, final HttpContext context)64     public void process(final HttpResponse response, final HttpContext context)
65             throws HttpException, IOException {
66         if (response == null) {
67             throw new IllegalArgumentException
68                 ("HTTP response may not be null.");
69         }
70         int status = response.getStatusLine().getStatusCode();
71         if ((status >= HttpStatus.SC_OK) &&
72             !response.containsHeader(HTTP.DATE_HEADER)) {
73             String httpdate = DATE_GENERATOR.getCurrentDate();
74             response.setHeader(HTTP.DATE_HEADER, httpdate);
75         }
76     }
77 
78 }
79