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 * Implements the DatagramSocketFactory interface by simply wrapping the {@link DatagramSocket} constructors. It is the default DatagramSocketFactory used by
26 * {@link org.apache.commons.net.DatagramSocketClient} implementations.
27 *
28 * @see DatagramSocketFactory
29 * @see DatagramSocketClient
30 * @see DatagramSocketClient#setDatagramSocketFactory
31 */
32
33 public class DefaultDatagramSocketFactory implements DatagramSocketFactory {
34
35 /**
36 * Creates a DatagramSocket on the local host at the first available port.
37 *
38 * @return a new DatagramSocket
39 * @throws SocketException If the socket could not be created.
40 */
41 @Override
42 public DatagramSocket createDatagramSocket() throws SocketException {
43 return new DatagramSocket();
44 }
45
46 /**
47 * Creates a DatagramSocket on the local host at a specified port.
48 *
49 * @param port The port to use for the socket.
50 * @return a new DatagramSocket
51 * @throws SocketException If the socket could not be created.
52 */
53 @Override
54 public DatagramSocket createDatagramSocket(final int port) throws SocketException {
55 return new DatagramSocket(port);
56 }
57
58 /**
59 * Creates a DatagramSocket at the specified address on the local host at a specified port.
60 *
61 * @param port The port to use for the socket.
62 * @param localAddress The local address to use.
63 * @return a new DatagramSocket
64 * @throws SocketException If the socket could not be created.
65 */
66 @Override
67 public DatagramSocket createDatagramSocket(final int port, final InetAddress localAddress) throws SocketException {
68 return new DatagramSocket(port, localAddress);
69 }
70 }