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 }