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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.net;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
/***
* The DatagramSocketFactory interface provides a means for the
* programmer to control the creation of datagram sockets and
* provide his own DatagramSocket implementations for use by all
* classes derived from
* {@link org.apache.commons.net.DatagramSocketClient}
* .
* This allows you to provide your own DatagramSocket implementations and
* to perform security checks or browser capability requests before
* creating a DatagramSocket.
* <p>
* <p>
* @author Daniel F. Savarese
***/
public interface DatagramSocketFactory
{
/***
* Creates a DatagramSocket on the local host at the first available port.
* <p>
* @exception SocketException If the socket could not be created.
***/
public DatagramSocket createDatagramSocket() throws SocketException;
/***
* Creates a DatagramSocket on the local host at a specified port.
* <p>
* @param port The port to use for the socket.
* @exception SocketException If the socket could not be created.
***/
public DatagramSocket createDatagramSocket(int port) throws SocketException;
/***
* Creates a DatagramSocket at the specified address on the local host
* at a specified port.
* <p>
* @param port The port to use for the socket.
* @param laddr The local address to use.
* @exception SocketException If the socket could not be created.
***/
public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
throws SocketException;
}
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