UnicastMessageSender.java

/*******************************************************************************
 * Copyright (c) 2004-2013 Steve Flasby
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * <ul>
 *     <li>Redistributions of source code must retain the above copyright notice,
 *         this list of conditions and the following disclaimer.</li>
 *     <li>Redistributions in binary form must reproduce the above copyright notice,
 *         this list of conditions and the following disclaimer in the documentation
 *         and/or other materials provided with the distribution.</li>
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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package org.flasby.net;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

/*
 * @author Steve Flasby
 * Jan 31, 2013
 */

/**
 * sends a Unicast message somewhere. It sends the message and then closes
 * any resources immediately so should only be used for infrequent requests.
 * 
 * @author steve
 *
 */
public class UnicastMessageSender {

	public UnicastMessageSender( SocketProperties socketProperties, byte[] message ) throws IOException {
		try ( DatagramSocket socket = new DatagramSocket(); ) {
			DatagramPacket datagram = new DatagramPacket(
					message, 
					message.length, 
					InetAddress.getByName(socketProperties.host), 
					socketProperties.port);
			socket.send(datagram);
		}
	}
	
	public UnicastMessageSender( SocketProperties socketProperties, Messages messages ) throws IOException {
		byte[] message = messages.get();
		try ( DatagramSocket socket = new DatagramSocket(); ) {
			do {
				DatagramPacket datagram = new DatagramPacket(
						message, 
						message.length, 
						InetAddress.getByName(socketProperties.host), 
						socketProperties.port);
				socket.send(datagram);
			} while ( null != (message=messages.get()) );
		}
	}
}