enum.java

基于Jabber协议的即时消息服务器

/**
 * $RCSfile$
 * $Revision: 42 $
 * $Date: 2004-10-21 00:28:12 -0700 (Thu, 21 Oct 2004) $
 *
 * Copyright (C) 2004 Jive Software. All rights reserved.
 *
 * This software is published under the terms of the GNU Public License (GPL),
 * a copy of which is included in this distribution.
 */

package org.jivesoftware.util;

/**
 * A type safe enumeration object. Used for indicating distinct states
 * in a generic manner. Most child classes should extend Enum and
 * create static instances.
 *
 * @author Iain Shigeoka
 */
public class Enum {
    private String name;

    protected Enum(String name) {
        this.name = name;
    }

    /**
     * Returns the name of the enum.
     *
     * @return the name of the enum.
     */
    public String getName() {
        return name;
    }

    public boolean equals(Object object) {
        if (this == object) {
            return true;
        }
        else if ((this.getClass().isInstance(object)) && name.equals(((Enum)object).name)) {
            return true;
        }
        else {
            return false;
        }
    }

    public int hashCode() {
        return name.hashCode();
    }

    public String toString() {
        return name;
    }
}