001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.commons.net;
019
020 import java.net.DatagramSocket;
021 import java.net.InetAddress;
022 import java.net.SocketException;
023
024 /***
025 * DefaultDatagramSocketFactory implements the DatagramSocketFactory
026 * interface by simply wrapping the java.net.DatagramSocket
027 * constructors. It is the default DatagramSocketFactory used by
028 * {@link org.apache.commons.net.DatagramSocketClient}
029 * implementations.
030 * <p>
031 * <p>
032 * @author Daniel F. Savarese
033 * @see DatagramSocketFactory
034 * @see DatagramSocketClient
035 * @see DatagramSocketClient#setDatagramSocketFactory
036 ***/
037
038 public class DefaultDatagramSocketFactory implements DatagramSocketFactory
039 {
040
041 /***
042 * Creates a DatagramSocket on the local host at the first available port.
043 * <p>
044 * @exception SocketException If the socket could not be created.
045 ***/
046 public DatagramSocket createDatagramSocket() throws SocketException
047 {
048 return new DatagramSocket();
049 }
050
051 /***
052 * Creates a DatagramSocket on the local host at a specified port.
053 * <p>
054 * @param port The port to use for the socket.
055 * @exception SocketException If the socket could not be created.
056 ***/
057 public DatagramSocket createDatagramSocket(int port) throws SocketException
058 {
059 return new DatagramSocket(port);
060 }
061
062 /***
063 * Creates a DatagramSocket at the specified address on the local host
064 * at a specified port.
065 * <p>
066 * @param port The port to use for the socket.
067 * @param laddr The local address to use.
068 * @exception SocketException If the socket could not be created.
069 ***/
070 public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
071 throws SocketException
072 {
073 return new DatagramSocket(port, laddr);
074 }
075 }