platformmessage.java

这是一个基于java编写的torrent的P2P源码

/**
 * Copyright (C) 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * AELITIS, SAS au capital de 63.529,40 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

package com.aelitis.azureus.core.messenger;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

import org.gudy.azureus2.core3.util.SystemTime;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 * @author TuxPaper
 * @created Sep 25, 2006
 *
 */
public class PlatformMessage
{
	private final String messageID;

	private final String listenerID;

	private final String operationID;

	private final JSONObject parameters;

	private final long fireBeforeDate;

	private final long messageCreatedOn;

	private long lSequenceNo = -1;
	
	/**
	 * @param messageID
	 * @param listenerID
	 * @param operationID
	 * @param parameters
	 * @param maxDelay
	 */
	public PlatformMessage(String messageID, String listenerID,
			String operationID, JSONObject parameters, long maxDelayMS) {

		this.messageID = messageID;
		this.listenerID = listenerID;
		this.operationID = operationID;
		this.parameters = parameters;

		messageCreatedOn = SystemTime.getCurrentTime();
		fireBeforeDate = messageCreatedOn + maxDelayMS;
	}

	public PlatformMessage(String messageID, String listenerID,
			String operationID, Map parameters, long maxDelayMS) {

		this.messageID = messageID;
		this.listenerID = listenerID;
		this.operationID = operationID;
		this.parameters = new JSONObject(parameters);

		messageCreatedOn = SystemTime.getCurrentTime();
		fireBeforeDate = messageCreatedOn + maxDelayMS;
	}

	public PlatformMessage(String messageID, String listenerID,
			String operationID, Object[] parameters, long maxDelayMS) {

		this.messageID = messageID;
		this.listenerID = listenerID;
		this.operationID = operationID;

		this.parameters = parseParams(parameters);

		messageCreatedOn = SystemTime.getCurrentTime();
		fireBeforeDate = messageCreatedOn + maxDelayMS;
	}

	public static JSONObject parseParams(Object[] parameters) {
		JSONObject result = new JSONObject();
		for (int i = 0; i < parameters.length - 1; i += 2) {
			if (parameters[i] instanceof String) {
				if (parameters[i + 1] instanceof String[]) {
					List list = Arrays.asList((String[]) parameters[i + 1]);
					result.put((String) parameters[i], new JSONArray(list));
				} else if (parameters[i + 1] instanceof Object[]) {
					result.put((String) parameters[i],
							parseParams((Object[]) parameters[i + 1]));
				} else if (parameters[i + 1] instanceof Map) {
					result.put((String) parameters[i], (Map)parameters[i + 1]);
				} else {
					result.put((String) parameters[i], parameters[i + 1]);
				}
			}
		}

		return result;
	}

	public long getFireBefore() {
		return fireBeforeDate;
	}

	public long getMessageCreated() {
		return messageCreatedOn;
	}

	public JSONObject getParameters() {
		return parameters;
	}

	public String getListenerID() {
		return listenerID;
	}

	public String getMessageID() {
		return messageID;
	}

	public String getOperationID() {
		return operationID;
	}

	protected long getSequenceNo() {
		return lSequenceNo;
	}

	protected void setSequenceNo(long sequenceNo) {
		lSequenceNo = sequenceNo;
	}

	public String toString() {
		return "PlaformMessage {" + lSequenceNo + ", " + messageID + ", "
				+ listenerID + ", " + operationID + "," + parameters + "}";
	}
}