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 * Implements the DatagramSocketFactory interface by simply wrapping the {@link DatagramSocket} constructors. It is the default DatagramSocketFactory used by 026 * {@link org.apache.commons.net.DatagramSocketClient} implementations. 027 * 028 * @see DatagramSocketFactory 029 * @see DatagramSocketClient 030 * @see DatagramSocketClient#setDatagramSocketFactory 031 */ 032 033public class DefaultDatagramSocketFactory implements DatagramSocketFactory { 034 035 /** 036 * Creates a DatagramSocket on the local host at the first available port. 037 * 038 * @return a new DatagramSocket 039 * @throws SocketException If the socket could not be created. 040 */ 041 @Override 042 public DatagramSocket createDatagramSocket() throws SocketException { 043 return new DatagramSocket(); 044 } 045 046 /** 047 * Creates a DatagramSocket on the local host at a specified port. 048 * 049 * @param port The port to use for the socket. 050 * @return a new DatagramSocket 051 * @throws SocketException If the socket could not be created. 052 */ 053 @Override 054 public DatagramSocket createDatagramSocket(final int port) throws SocketException { 055 return new DatagramSocket(port); 056 } 057 058 /** 059 * Creates a DatagramSocket at the specified address on the local host at a specified port. 060 * 061 * @param port The port to use for the socket. 062 * @param localAddress The local address to use. 063 * @return a new DatagramSocket 064 * @throws SocketException If the socket could not be created. 065 */ 066 @Override 067 public DatagramSocket createDatagramSocket(final int port, final InetAddress localAddress) throws SocketException { 068 return new DatagramSocket(port, localAddress); 069 } 070}