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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.reactor;
29  
30  import java.io.IOException;
31  import java.net.SocketAddress;
32  import java.nio.channels.SelectionKey;
33  import java.util.concurrent.atomic.AtomicBoolean;
34  
35  import org.apache.hc.core5.io.ShutdownType;
36  
37  class ListenerEndpointImpl implements ListenerEndpoint {
38  
39      private final SelectionKey key;
40      private final SocketAddress address;
41      private final AtomicBoolean closed;
42  
43      public ListenerEndpointImpl(final SelectionKey key, final SocketAddress address) {
44          super();
45          this.key = key;
46          this.address = address;
47          this.closed = new AtomicBoolean(false);
48      }
49  
50      @Override
51      public SocketAddress getAddress() {
52          return this.address;
53      }
54  
55      @Override
56      public String toString() {
57          return "endpoint: " + address;
58      }
59  
60      @Override
61      public boolean isClosed() {
62          return this.closed.get();
63      }
64  
65      @Override
66      public void close() throws IOException {
67          if (closed.compareAndSet(false, true)) {
68              key.cancel();
69              key.channel().close();
70          }
71      }
72  
73      @Override
74      public void shutdown(final ShutdownType shutdownType) {
75          try {
76              close();
77          } catch (final IOException ignore) {
78          }
79      }
80  
81  }