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Smart Card Utils for Better Access.
There is a newer version: 0.0.20
/*
 * 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 - 2015  The SCUBA team.
 *
 * $Id: CardEvent.java 282 2017-02-05 10:02:46Z martijno $
 */

package net.sf.scuba.smartcards;

import java.util.EventObject;

/**
 * Event for card insertion and removal.
 *
 * @author Martijn Oostdijk ([email protected])
 *
 * @version $Revision: 282 $
 */
public class CardEvent extends EventObject {

  private static final long serialVersionUID = -5645277246646615351L;

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

  private int type;
  private CardService service;

  /**
   * Creates an event.
   *
   * @param type event type
   * @param service event source
   */
  public CardEvent(int type, CardService service) {
    super(service);
    this.type = type;
    this.service = service;
  }

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

  /**
   * Gets the event source.
   *
   * @return event source
   */
  public CardService getService() {
    return service;
  }

  /**
   * Gets a textual representation of this event.
   * 
   * @return a textual representation of this event
   */
  public String toString() {
    switch (type) {
      case REMOVED: return "Card removed from " + service;
      case INSERTED: return "Card inserted in " + service;
    }
    return "CardEvent " + service;
  }

  /**
   * 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; }
      CardEvent otherCardEvent = (CardEvent)other;
      return type == otherCardEvent.type && service.equals(otherCardEvent.service);
    } catch (ClassCastException cce) {
      return false;
    }
  }

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