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1   /*
2    * junixsocket
3    *
4    * Copyright 2009-2024 Christian Kohlschütter
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * 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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.newsclub.net.unix.darwin.system;
19  
20  import java.io.IOException;
21  import java.net.Socket;
22  import java.net.SocketException;
23  
24  import org.newsclub.net.unix.AFSYSTEMSocketAddress;
25  import org.newsclub.net.unix.AFSocketFactory;
26  
27  /**
28   * The base for a SocketFactory that connects to AF_SYSTEM sockets.
29   */
30  public abstract class AFSYSTEMSocketFactory extends AFSocketFactory<AFSYSTEMSocketAddress> {
31    /**
32     * Creates a {@link AFSYSTEMSocketFactory}.
33     */
34    protected AFSYSTEMSocketFactory() {
35      super(AFSYSTEMSocketAddress.class);
36    }
37  
38    @Override
39    public final Socket createSocket() throws SocketException {
40      return configure(AFSYSTEMSocket.newInstance(this));
41    }
42  
43    @Override
44    protected final AFSYSTEMSocket connectTo(AFSYSTEMSocketAddress addr) throws IOException {
45      return configure(AFSYSTEMSocket.connectTo(addr));
46    }
47  
48    /**
49     * Performs some optional configuration on a newly created socket.
50     *
51     * @param sock The socket.
52     * @return The very socket.
53     * @throws SocketException on error.
54     */
55    protected AFSYSTEMSocket configure(AFSYSTEMSocket sock) throws SocketException {
56      return sock;
57    }
58  }