1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.net;
19
20 import java.net.DatagramSocket;
21 import java.net.InetAddress;
22 import java.net.SocketException;
23
24 /***
25 * DefaultDatagramSocketFactory implements the DatagramSocketFactory
26 * interface by simply wrapping the java.net.DatagramSocket
27 * constructors. It is the default DatagramSocketFactory used by
28 * {@link org.apache.commons.net.DatagramSocketClient}
29 * implementations.
30 * <p>
31 * <p>
32 * @author Daniel F. Savarese
33 * @see DatagramSocketFactory
34 * @see DatagramSocketClient
35 * @see DatagramSocketClient#setDatagramSocketFactory
36 ***/
37
38 public class DefaultDatagramSocketFactory implements DatagramSocketFactory
39 {
40
41 /***
42 * Creates a DatagramSocket on the local host at the first available port.
43 * <p>
44 * @exception SocketException If the socket could not be created.
45 ***/
46 public DatagramSocket createDatagramSocket() throws SocketException
47 {
48 return new DatagramSocket();
49 }
50
51 /***
52 * Creates a DatagramSocket on the local host at a specified port.
53 * <p>
54 * @param port The port to use for the socket.
55 * @exception SocketException If the socket could not be created.
56 ***/
57 public DatagramSocket createDatagramSocket(int port) throws SocketException
58 {
59 return new DatagramSocket(port);
60 }
61
62 /***
63 * Creates a DatagramSocket at the specified address on the local host
64 * at a specified port.
65 * <p>
66 * @param port The port to use for the socket.
67 * @param laddr The local address to use.
68 * @exception SocketException If the socket could not be created.
69 ***/
70 public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
71 throws SocketException
72 {
73 return new DatagramSocket(port, laddr);
74 }
75 }