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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;
  }
}