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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.common.support;
21  
22  import java.io.IOException;
23  import java.net.SocketAddress;
24  import java.util.Set;
25  
26  import org.apache.mina.common.DefaultIoFilterChainBuilder;
27  import org.apache.mina.common.IoAcceptor;
28  import org.apache.mina.common.IoFilterChainBuilder;
29  import org.apache.mina.common.IoHandler;
30  import org.apache.mina.common.IoServiceConfig;
31  import org.apache.mina.common.IoServiceListener;
32  import org.apache.mina.common.IoSession;
33  
34  /**
35   * A delegated {@link IoAcceptor} that wraps the other {@link IoAcceptor}.
36   * 
37   * @author The Apache Directory Project (mina-dev@directory.apache.org)
38   * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $
39   */
40  public class DelegatedIoAcceptor implements IoAcceptor {
41      protected IoAcceptor delegate;
42  
43      /**
44       * Creates a new instance.
45       */
46      protected DelegatedIoAcceptor() {
47      }
48  
49      /**
50       * Sets the delegate.  This method should be invoked before any operations
51       * is requested.
52       */
53      protected void init(IoAcceptor delegate) {
54          this.delegate = delegate;
55      }
56  
57      public void bind(SocketAddress address, IoHandler handler)
58              throws IOException {
59          delegate.bind(address, handler);
60      }
61  
62      public void bind(SocketAddress address, IoHandler handler,
63              IoServiceConfig config) throws IOException {
64          delegate.bind(address, handler, config);
65      }
66  
67      public void unbind(SocketAddress address) {
68          delegate.unbind(address);
69      }
70  
71      public void unbindAll() {
72          delegate.unbindAll();
73      }
74  
75      public boolean isManaged(SocketAddress address) {
76          return delegate.isManaged(address);
77      }
78  
79      public Set getManagedServiceAddresses() {
80          return delegate.getManagedServiceAddresses();
81      }
82  
83      public Set getManagedSessions(SocketAddress serviceAddress) {
84          return delegate.getManagedSessions(serviceAddress);
85      }
86  
87      public IoSession newSession(SocketAddress remoteAddress,
88              SocketAddress localAddress) {
89          return delegate.newSession(remoteAddress, localAddress);
90      }
91  
92      public IoServiceConfig getDefaultConfig() {
93          return delegate.getDefaultConfig();
94      }
95  
96      public IoFilterChainBuilder getFilterChainBuilder() {
97          return delegate.getFilterChainBuilder();
98      }
99  
100     public void setFilterChainBuilder(IoFilterChainBuilder builder) {
101         delegate.setFilterChainBuilder(builder);
102     }
103 
104     public DefaultIoFilterChainBuilder getFilterChain() {
105         return delegate.getFilterChain();
106     }
107 
108     public void addListener(IoServiceListener listener) {
109         delegate.addListener(listener);
110     }
111 
112     public void removeListener(IoServiceListener listener) {
113         delegate.removeListener(listener);
114     }
115 }