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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.CloseMode;
36  import org.apache.hc.core5.io.Closer;
37  
38  class ListenerEndpointImpl implements ListenerEndpoint {
39  
40      private final SelectionKey key;
41      private final SocketAddress address;
42      private final AtomicBoolean closed;
43  
44      public ListenerEndpointImpl(final SelectionKey key, final SocketAddress address) {
45          super();
46          this.key = key;
47          this.address = address;
48          this.closed = new AtomicBoolean(false);
49      }
50  
51      @Override
52      public SocketAddress getAddress() {
53          return this.address;
54      }
55  
56      @Override
57      public String toString() {
58          return "endpoint: " + address;
59      }
60  
61      @Override
62      public boolean isClosed() {
63          return this.closed.get();
64      }
65  
66      @Override
67      public void close() throws IOException {
68          if (closed.compareAndSet(false, true)) {
69              key.cancel();
70              key.channel().close();
71          }
72      }
73  
74      @Override
75      public void close(final CloseMode closeMode) {
76          Closer.closeQuietly(this);
77      }
78  
79  }