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1   /*
2    * Copyright 2015 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.channel.unix;
17  
18  import java.io.File;
19  import java.net.SocketAddress;
20  
21  /**
22   * A address for a
23   * <a href="http://en.wikipedia.org/wiki/Unix_domain_socket">Unix Domain Socket</a>.
24   */
25  public final class DomainSocketAddress extends SocketAddress {
26      private static final long serialVersionUID = -6934618000832236893L;
27      private final String socketPath;
28  
29      public DomainSocketAddress(String socketPath) {
30          if (socketPath == null) {
31              throw new NullPointerException("socketPath");
32          }
33          this.socketPath = socketPath;
34      }
35  
36      public DomainSocketAddress(File file) {
37          this(file.getPath());
38      }
39  
40      /**
41       * The path to the domain socket.
42       */
43      public String path() {
44          return socketPath;
45      }
46  
47      @Override
48      public String toString() {
49          return path();
50      }
51  
52      @Override
53      public boolean equals(Object o) {
54          if (this == o) {
55              return true;
56          }
57          if (!(o instanceof DomainSocketAddress)) {
58              return false;
59          }
60  
61          return ((DomainSocketAddress) o).socketPath.equals(socketPath);
62      }
63  
64      @Override
65      public int hashCode() {
66          return socketPath.hashCode();
67      }
68  }