1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.proxy.session;
21
22 import org.apache.mina.core.future.ConnectFuture;
23 import org.apache.mina.core.session.IoSession;
24 import org.apache.mina.core.session.IoSessionInitializer;
25
26 /**
27 * ProxyIoSessionInitializer.java - {@link IoSessionInitializer} wrapper class to inject the
28 * {@link ProxyIoSession} object that contains all the attributes of the target connection
29 * into the {@link IoSession}.
30 *
31 * @param <T> The Connection Future type
32 *
33 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
34 * @since MINA 2.0.0-M3
35 */
36 public class ProxyIoSessionInitializer<T extends ConnectFuture> implements IoSessionInitializer<T> {
37 private final IoSessionInitializer<T> wrappedSessionInitializer;
38
39 private final ProxyIoSession proxyIoSession;
40
41 /**
42 * Creates a new ProxyIoSessionInitializer instance
43 *
44 * @param wrappedSessionInitializer The wrapped session initializer
45 * @param proxyIoSession The ProxyIoSession instance
46 */
47 public ProxyIoSessionInitializer(final IoSessionInitializer<T> wrappedSessionInitializer,
48 final ProxyIoSession proxyIoSession) {
49 this.wrappedSessionInitializer = wrappedSessionInitializer;
50 this.proxyIoSession = proxyIoSession;
51 }
52
53 /**
54 * @return The ProxyIoSession instance
55 */
56 public ProxyIoSession getProxySession() {
57 return proxyIoSession;
58 }
59
60 /**
61 * {@inheritDoc}
62 */
63 @Override
64 public void initializeSession(final IoSession session, T future) {
65 if (wrappedSessionInitializer != null) {
66 wrappedSessionInitializer.initializeSession(session, future);
67 }
68
69 if (proxyIoSession != null) {
70 proxyIoSession.setSession(session);
71 session.setAttribute(ProxyIoSession.PROXY_SESSION, proxyIoSession);
72 }
73 }
74 }