1 package org.eclipse.aether.transport.http;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.Closeable;
23
24 import org.apache.http.client.protocol.HttpClientContext;
25 import org.apache.http.protocol.BasicHttpContext;
26
27 /**
28 * HTTP context that shares certain attributes among requests to optimize the communication with the server.
29 *
30 * @see <a href="http://hc.apache.org/httpcomponents-client-ga/tutorial/html/advanced.html#stateful_conn">Stateful HTTP
31 * connections</a>
32 */
33 final class SharingHttpContext
34 extends BasicHttpContext
35 implements Closeable
36 {
37
38 private final LocalState state;
39
40 private final SharingAuthCache authCache;
41
42 SharingHttpContext( LocalState state )
43 {
44 this.state = state;
45 authCache = new SharingAuthCache( state );
46 super.setAttribute( HttpClientContext.AUTH_CACHE, authCache );
47 }
48
49 @Override
50 public Object getAttribute( String id )
51 {
52 if ( HttpClientContext.USER_TOKEN.equals( id ) )
53 {
54 return state.getUserToken();
55 }
56 return super.getAttribute( id );
57 }
58
59 @Override
60 public void setAttribute( String id, Object obj )
61 {
62 if ( HttpClientContext.USER_TOKEN.equals( id ) )
63 {
64 state.setUserToken( obj );
65 }
66 else
67 {
68 super.setAttribute( id, obj );
69 }
70 }
71
72 @Override
73 public Object removeAttribute( String id )
74 {
75 if ( HttpClientContext.USER_TOKEN.equals( id ) )
76 {
77 state.setUserToken( null );
78 return null;
79 }
80 return super.removeAttribute( id );
81 }
82
83 @Override
84 public void close()
85 {
86 authCache.clear();
87 }
88
89 }