/* $Id: OSCPacketDispatcher.java,v 1.2 2008/07/01 15:29:46 modin Exp $

 * Created on 28.10.2003

 */

package com.illposed.osc.utility;

import com.illposed.osc.*;

import java.util.Date;

import java.util.Enumeration;

import java.util.Hashtable;

/**

 * @author cramakrishnan

 *

 * Copyright (C) 2003, C. Ramakrishnan / Auracle

 * All rights reserved.

 * 

 * See license.txt (or license.rtf) for license information.

 * 

 * Dispatches OSCMessages to registered listeners.

 * 

 */

public class OSCPacketDispatcher {

	private Hashtable<String,OSCListener> addressToClassTable = new Hashtable<String,OSCListener>();

	/**

	 * 

	 */

	public OSCPacketDispatcher() {

		super();

	}

	public void addListener(String address, OSCListener listener) {

		addressToClassTable.put(address, listener);

	}

	public void dispatchPacket(OSCPacket packet) {

		if (packet instanceof OSCBundle)

			dispatchBundle((OSCBundle) packet);

		else

			dispatchMessage((OSCMessage) packet);

	}

	public void dispatchPacket(OSCPacket packet, Date timestamp) {

		if (packet instanceof OSCBundle)

			dispatchBundle((OSCBundle) packet);

		else

			dispatchMessage((OSCMessage) packet, timestamp);

	}

	private void dispatchBundle(OSCBundle bundle) {

		Date timestamp = bundle.getTimestamp();

		OSCPacket[] packets = bundle.getPackets();

		for (int i = 0; i < packets.length; i++) {

			dispatchPacket(packets[i], timestamp);

		}

	}

	private void dispatchMessage(OSCMessage message) {

		dispatchMessage(message, null);

	}

	private void dispatchMessage(OSCMessage message, Date time) {

		Enumeration keys = addressToClassTable.keys();

		while (keys.hasMoreElements()) {

			String key = (String) keys.nextElement();

			// this supports the OSC regexp facility, but it

			// only works in JDK 1.4, so don't support it right now

			// if (key.matches(message.getAddress())) {

			if (key.equals(message.getAddress())) {

				OSCListener listener = (OSCListener) addressToClassTable.get(key);

				listener.acceptMessage(time, message);

			}

		}

	}

}