    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    }