1 /*
2 * $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/protocol/DefaultProtocolSocketFactory.java,v 1.5.2.1 2004/01/30 19:23:15 mbecke Exp $
3 * $Revision: 1.5.2.1 $
4 * $Date: 2004/01/30 19:23:15 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 2002-2003 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * [Additional notices, if required by prior licensing conditions]
61 *
62 */
63
64 package org.apache.commons.httpclient.protocol;
65
66 import java.io.IOException;
67 import java.net.InetAddress;
68 import java.net.Socket;
69 import java.net.UnknownHostException;
70
71 /***
72 * The default class for creating protocol sockets. This class just uses the
73 * {@link java.net.Socket socket} constructors.
74 *
75 * @author Michael Becke
76 *
77 * @since 2.0
78 */
79 public class DefaultProtocolSocketFactory implements ProtocolSocketFactory {
80
81 /***
82 * The factory singleton.
83 */
84 private static final DefaultProtocolSocketFactory factory = new DefaultProtocolSocketFactory();
85
86 /***
87 * Gets an singleton instance of the DefaultProtocolSocketFactory.
88 * @return a DefaultProtocolSocketFactory
89 */
90 static DefaultProtocolSocketFactory getSocketFactory() {
91 return factory;
92 }
93
94 /***
95 * Constructor for DefaultProtocolSocketFactory.
96 */
97 public DefaultProtocolSocketFactory() {
98 super();
99 }
100
101 /***
102 * @see #createSocket(java.lang.String,int,java.net.InetAddress,int)
103 */
104 public Socket createSocket(
105 String host,
106 int port,
107 InetAddress clientHost,
108 int clientPort
109 ) throws IOException, UnknownHostException {
110 return new Socket(host, port, clientHost, clientPort);
111 }
112
113 /***
114 * @see ProtocolSocketFactory#createSocket(java.lang.String,int)
115 */
116 public Socket createSocket(String host, int port)
117 throws IOException, UnknownHostException {
118 return new Socket(host, port);
119 }
120
121 /***
122 * All instances of DefaultProtocolSocketFactory are the same.
123 */
124 public boolean equals(Object obj) {
125 return ((obj != null) && obj.getClass().equals(DefaultProtocolSocketFactory.class));
126 }
127
128 /***
129 * All instances of DefaultProtocolSocketFactory have the same hash code.
130 */
131 public int hashCode() {
132 return DefaultProtocolSocketFactory.class.hashCode();
133 }
134
135 }
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