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 018package org.apache.commons.net; 019 020import java.net.DatagramSocket; 021import java.net.InetAddress; 022import 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 * 031 * 032 * @see DatagramSocketFactory 033 * @see DatagramSocketClient 034 * @see DatagramSocketClient#setDatagramSocketFactory 035 ***/ 036 037public class DefaultDatagramSocketFactory implements DatagramSocketFactory 038{ 039 040 /*** 041 * Creates a DatagramSocket on the local host at the first available port. 042 * @return a new DatagramSocket 043 * @throws SocketException If the socket could not be created. 044 ***/ 045 @Override 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 * 054 * @param port The port to use for the socket. 055 * @return a new DatagramSocket 056 * @throws SocketException If the socket could not be created. 057 ***/ 058 @Override 059 public DatagramSocket createDatagramSocket(int port) throws SocketException 060 { 061 return new DatagramSocket(port); 062 } 063 064 /*** 065 * Creates a DatagramSocket at the specified address on the local host 066 * at a specified port. 067 * 068 * @param port The port to use for the socket. 069 * @param laddr The local address to use. 070 * @return a new DatagramSocket 071 * @throws SocketException If the socket could not be created. 072 ***/ 073 @Override 074 public DatagramSocket createDatagramSocket(int port, InetAddress laddr) 075 throws SocketException 076 { 077 return new DatagramSocket(port, laddr); 078 } 079}