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Smart Card Utils for Better Access - J2SE.
There is a newer version: 0.0.21
/*
 * This file is part of the SCUBA smart card framework.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * Copyright (C) 2009-2013 The SCUBA team.
 *
 * $Id: $
 */

package net.sf.scuba.smartcards;

import java.util.EventObject;

import javax.smartcardio.CardTerminal;

/**
 * Event for terminal addition and removal.
 *
 * @author Pim Vullers ([email protected])
 *
 * @version $Revision: 183 $
 */
public class CardTerminalEvent extends EventObject
{
    private static final long serialVersionUID = 8884602877518044124L;

    /** Event type constant. */
	public static final int REMOVED = 0, ADDED = 1;

	private int type;
	private CardTerminal terminal;

	/**
	 * Creates an event.
	 *
	 * @param type event type
	 * @param terminal event source
	 */
	public CardTerminalEvent(int type, CardTerminal terminal) {
		super(terminal);
		this.type = type;
		this.terminal = terminal;
	}

	/**
	 * Gets the event type.
	 *
	 * @return event type
	 */
	public int getType() {
		return type;
	}

	/**
	 * Gets the event source.
	 *
	 * @return event source
	 */
	public CardTerminal getTerminal() {
		return terminal;
	}

	/**
	 * Gets a textual representation of this event.
	 * 
	 * @return a textual representation of this event
	 */
	public String toString() {
		switch (type) {
		case REMOVED: return "Terminal '" + terminal + "' removed";
		case ADDED: return "Terminal '" + terminal + "' added";
		}
		return "CardTerminalEvent " + terminal;
	}

	/**
	 * Whether this event is equal to the event in other.
	 * 
	 * @return a boolean
	 */
	public boolean equals(Object other) {
		try {
			if (other == null) { return false; }
			if (other == this) { return true; }
			if (!other.getClass().equals(this.getClass())) { return false; }
			CardTerminalEvent otherCardTerminalEvent = (CardTerminalEvent)other;
			return type == otherCardTerminalEvent.type && terminal.equals(otherCardTerminalEvent.terminal);
		} catch (ClassCastException cce) {
			return false;
		}
	}

	/**
	 * Gets a hash code for this event.
	 * 
	 * @return a hash code for this event
	 */
	public int hashCode() {
		return 5 * terminal.hashCode() + 7 * type;
	}
}