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    1   package org.apache.commons.net;
    2
    3   /* ====================================================================
    4    * The Apache Software License, Version 1.1
    5    *
    6    * Copyright (c) 2001 The Apache Software Foundation.  All rights
    7    * reserved.
    8    *
    9    * Redistribution and use in source and binary forms, with or without
    10   * modification, are permitted provided that the following conditions
    11   * are met:
    12   *
    13   * 1. Redistributions of source code must retain the above copyright
    14   *    notice, this list of conditions and the following disclaimer.
    15   *
    16   * 2. Redistributions in binary form must reproduce the above copyright
    17   *    notice, this list of conditions and the following disclaimer in
    18   *    the documentation and/or other materials provided with the
    19   *    distribution.
    20   *
    21   * 3. The end-user documentation included with the redistribution,
    22   *    if any, must include the following acknowledgment:
    23   *       "This product includes software developed by the
    24   *        Apache Software Foundation (http://www.apache.org/)."
    25   *    Alternately, this acknowledgment may appear in the software itself,
    26   *    if and wherever such third-party acknowledgments normally appear.
    27   *
    28   * 4. The names "Apache" and "Apache Software Foundation" and
    29   *    "Apache Commons" must not be used to endorse or promote products
    30   *    derived from this software without prior written permission. For
    31   *    written permission, please contact apache@apache.org.
    32   *
    33   * 5. Products derived from this software may not be called "Apache",
    34   *    nor may "Apache" appear in their name, without
    35   *    prior written permission of the Apache Software Foundation.
    36   *
    37   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    38   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    39   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    40   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    41   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    42   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    43   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    44   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    45   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    46   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    47   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    48   * SUCH DAMAGE.
    49   * ====================================================================
    50   *
    51   * This software consists of voluntary contributions made by many
    52   * individuals on behalf of the Apache Software Foundation.  For more
    53   * information on the Apache Software Foundation, please see
    54   * <http://www.apache.org/>;.
    55   */
    56
    57  import java.net.DatagramSocket;
    58  import java.net.InetAddress;
    59  import java.net.SocketException;
    60
    61  /****
    62   * DefaultDatagramSocketFactory implements the DatagramSocketFactory
    63   * interface by simply wrapping the java.net.DatagramSocket
    64   * constructors.  It is the default DatagramSocketFactory used by
    65   * <a href="org.apache.commons.net.DatagramSocketClient.html">
    66   * DatagramSocketClient </a> implementations.
    67   * <p>
    68   * <p>
    69   * @author Daniel F. Savarese
    70   * @see DatagramSocketFactory
    71   * @see DatagramSocketClient
    72   * @see DatagramSocketClient#setDatagramSocketFactory
    73   ***/
    74
    75  public class DefaultDatagramSocketFactory implements DatagramSocketFactory
    76  {
    77
    78      /****
    79       * Creates a DatagramSocket on the local host at the first available port.
    80       * <p>
    81       * @exception SocketException If the socket could not be created.
    82       ***/
    83      public DatagramSocket createDatagramSocket() throws SocketException
    84      {
    85          return new DatagramSocket();
    86      }
    87
    88      /****
    89       * Creates a DatagramSocket on the local host at a specified port.
    90       * <p>
    91       * @param port The port to use for the socket.
    92       * @exception SocketException If the socket could not be created.
    93       ***/
    94      public DatagramSocket createDatagramSocket(int port) throws SocketException
    95      {
    96          return new DatagramSocket(port);
    97      }
    98
    99      /****
    100      * Creates a DatagramSocket at the specified address on the local host
    101      * at a specified port.
    102      * <p>
    103      * @param port The port to use for the socket.
    104      * @param laddr  The local address to use.
    105      * @exception SocketException If the socket could not be created.
    106      ***/
    107     public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
    108     throws SocketException
    109     {
    110         return new DatagramSocket(port, laddr);
    111     }
    112 }

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