    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 interface by simply wrapping the java.net.DatagramSocket constructors. It is the default
    026 * DatagramSocketFactory used by {@link org.apache.commons.net.DatagramSocketClient} implementations.
    027 *
    028 *
    029 * @see DatagramSocketFactory
    030 * @see DatagramSocketClient
    031 * @see DatagramSocketClient#setDatagramSocketFactory
    032 */
    033
    034public class DefaultDatagramSocketFactory implements DatagramSocketFactory {
    035
    036    /**
    037     * Creates a DatagramSocket on the local host at the first available port.
    038     *
    039     * @return a new DatagramSocket
    040     * @throws SocketException If the socket could not be created.
    041     */
    042    @Override
    043    public DatagramSocket createDatagramSocket() throws SocketException {
    044        return new DatagramSocket();
    045    }
    046
    047    /**
    048     * Creates a DatagramSocket on the local host at a specified port.
    049     *
    050     * @param port The port to use for the socket.
    051     * @return a new DatagramSocket
    052     * @throws SocketException If the socket could not be created.
    053     */
    054    @Override
    055    public DatagramSocket createDatagramSocket(final int port) throws SocketException {
    056        return new DatagramSocket(port);
    057    }
    058
    059    /**
    060     * Creates a DatagramSocket at the specified address on the local host at a specified port.
    061     *
    062     * @param port  The port to use for the socket.
    063     * @param laddr The local address to use.
    064     * @return a new DatagramSocket
    065     * @throws SocketException If the socket could not be created.
    066     */
    067    @Override
    068    public DatagramSocket createDatagramSocket(final int port, final InetAddress laddr) throws SocketException {
    069        return new DatagramSocket(port, laddr);
    070    }
    071}