1 package org.apache.commons.net;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Commons" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 import java.net.DatagramSocket;
58 import java.net.InetAddress;
59 import java.net.SocketException;
60
61 /****
62 * DefaultDatagramSocketFactory implements the DatagramSocketFactory
63 * interface by simply wrapping the java.net.DatagramSocket
64 * constructors. It is the default DatagramSocketFactory used by
65 * <a href="org.apache.commons.net.DatagramSocketClient.html">
66 * DatagramSocketClient </a> implementations.
67 * <p>
68 * <p>
69 * @author Daniel F. Savarese
70 * @see DatagramSocketFactory
71 * @see DatagramSocketClient
72 * @see DatagramSocketClient#setDatagramSocketFactory
73 ***/
74
75 public class DefaultDatagramSocketFactory implements DatagramSocketFactory
76 {
77
78 /****
79 * Creates a DatagramSocket on the local host at the first available port.
80 * <p>
81 * @exception SocketException If the socket could not be created.
82 ***/
83 public DatagramSocket createDatagramSocket() throws SocketException
84 {
85 return new DatagramSocket();
86 }
87
88 /****
89 * Creates a DatagramSocket on the local host at a specified port.
90 * <p>
91 * @param port The port to use for the socket.
92 * @exception SocketException If the socket could not be created.
93 ***/
94 public DatagramSocket createDatagramSocket(int port) throws SocketException
95 {
96 return new DatagramSocket(port);
97 }
98
99 /****
100 * Creates a DatagramSocket at the specified address on the local host
101 * at a specified port.
102 * <p>
103 * @param port The port to use for the socket.
104 * @param laddr The local address to use.
105 * @exception SocketException If the socket could not be created.
106 ***/
107 public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
108 throws SocketException
109 {
110 return new DatagramSocket(port, laddr);
111 }
112 }
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