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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.http.conn.socket;
29  
30  import java.io.IOException;
31  import java.net.InetSocketAddress;
32  import java.net.Socket;
33  
34  import org.apache.http.HttpHost;
35  import org.apache.http.annotation.Immutable;
36  import org.apache.http.protocol.HttpContext;
37  
38  /**
39   * The default class for creating plain (unencrypted) sockets.
40   *
41   * @since 4.3
42   */
43  @Immutable
44  public class PlainConnectionSocketFactory implements ConnectionSocketFactory {
45  
46      public static final PlainConnectionSocketFactory INSTANCE = new PlainConnectionSocketFactory();
47  
48      public static PlainConnectionSocketFactory getSocketFactory() {
49          return INSTANCE;
50      }
51  
52      public PlainConnectionSocketFactory() {
53          super();
54      }
55  
56      public Socket createSocket(final HttpContext context) throws IOException {
57          return new Socket();
58      }
59  
60      public Socket connectSocket(
61              final int connectTimeout,
62              final Socket socket,
63              final HttpHost host,
64              final InetSocketAddress remoteAddress,
65              final InetSocketAddress localAddress,
66              final HttpContext context) throws IOException {
67          final Socket sock = socket != null ? socket : createSocket(context);
68          if (localAddress != null) {
69              sock.bind(localAddress);
70          }
71          try {
72              sock.connect(remoteAddress, connectTimeout);
73          } catch (final IOException ex) {
74              try {
75                  sock.close();
76              } catch (final IOException ignore) {
77              }
78              throw ex;
79          }
80          return sock;
81      }
82  
83  }