001 /* 002 * Copyright 2001-2005 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.apache.commons.net; 017 018 import java.net.DatagramSocket; 019 import java.net.InetAddress; 020 import java.net.SocketException; 021 022 /*** 023 * DefaultDatagramSocketFactory implements the DatagramSocketFactory 024 * interface by simply wrapping the java.net.DatagramSocket 025 * constructors. It is the default DatagramSocketFactory used by 026 * {@link org.apache.commons.net.DatagramSocketClient} 027 * implementations. 028 * <p> 029 * <p> 030 * @author Daniel F. Savarese 031 * @see DatagramSocketFactory 032 * @see DatagramSocketClient 033 * @see DatagramSocketClient#setDatagramSocketFactory 034 ***/ 035 036 public class DefaultDatagramSocketFactory implements DatagramSocketFactory 037 { 038 039 /*** 040 * Creates a DatagramSocket on the local host at the first available port. 041 * <p> 042 * @exception SocketException If the socket could not be created. 043 ***/ 044 public DatagramSocket createDatagramSocket() throws SocketException 045 { 046 return new DatagramSocket(); 047 } 048 049 /*** 050 * Creates a DatagramSocket on the local host at a specified port. 051 * <p> 052 * @param port The port to use for the socket. 053 * @exception SocketException If the socket could not be created. 054 ***/ 055 public DatagramSocket createDatagramSocket(int port) throws SocketException 056 { 057 return new DatagramSocket(port); 058 } 059 060 /*** 061 * Creates a DatagramSocket at the specified address on the local host 062 * at a specified port. 063 * <p> 064 * @param port The port to use for the socket. 065 * @param laddr The local address to use. 066 * @exception SocketException If the socket could not be created. 067 ***/ 068 public DatagramSocket createDatagramSocket(int port, InetAddress laddr) 069 throws SocketException 070 { 071 return new DatagramSocket(port, laddr); 072 } 073 }