//===========================================================================================
// 
//  Author          : Teosseth G. Altar
// 
//  File            : ReaderEvents.java
// 
//  Copyright (C)   : Advanced Card Systems Ltd.
// 
//  Description     : Container class for the event class & event generator class
// 
//  Date            : October 28, 2011
// 
//  Revision Trail : [Author] / [Date of modification] / [Details of Modifications done]
//                   Haidee Gacusan / January 21, 2019 / Updated variable naming
// 
//=========================================================================================
package Pcsc;

import java.util.ArrayList;
import java.util.EventObject;
import java.util.Iterator;
import java.util.List;

public class ReaderEvent {
	@SuppressWarnings("serial")
	public class TransmitApduEventArg extends EventObject {
		private byte[] _data;

		public byte[] getData() {
			return this._data;
		}

		public void setData(byte[] data) {
			this._data = data;
		}

		public TransmitApduEventArg(Object sender, byte[] data) {
			super(sender);
			this._data = data;
		}

		public String getAsString(boolean spaceInBetween) {
			if (this.getData() == null)
				return "";

			return AcsCommon.Helper.byteAsString(this.getData(), spaceInBetween);
		}
	}

	public interface TransmitApduHandler {
		public void onSendCommand(TransmitApduEventArg event);

		public void onReceiveCommand(TransmitApduEventArg event);
	}

	private List<TransmitApduHandler> _listeners = new ArrayList<TransmitApduHandler>();

	public List<TransmitApduHandler> getListeners() {
		return this._listeners;
	}

	public void setListeners(List<TransmitApduHandler> listeners) {
		this._listeners = listeners;
	}

	public synchronized void addEventListener(TransmitApduHandler listener) {
		this.getListeners().add(listener);
	}

	public synchronized void removeEventListener(TransmitApduHandler listener) {
		this.getListeners().remove(listener);
	}

	public synchronized void sendCommandData(byte[] data) {
		TransmitApduEventArg event = new TransmitApduEventArg(this, data);
		Iterator<TransmitApduHandler> listeners = this.getListeners().iterator();

		while (listeners.hasNext()) {
			((TransmitApduHandler) listeners.next()).onSendCommand(event);
		}
	}

	public synchronized void receiveCommandData(byte[] data) {
		TransmitApduEventArg event = new TransmitApduEventArg(this, data);
		Iterator<TransmitApduHandler> listeners = this.getListeners().iterator();

		while (listeners.hasNext()) {
			((TransmitApduHandler) listeners.next()).onReceiveCommand(event);
		}
	}
}