/*
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package javax.mail.search;

import javax.mail.Message;

/**
 * This class implements comparisons for Message numbers.
 *
 * @author Bill Shannon
 * @author John Mani
 */
public final class MessageNumberTerm extends IntegerComparisonTerm {

    /**
     * Constructor.
     *
     * @param number  the Message number
     */
    public MessageNumberTerm(int number) {
	super(EQ, number);
    }

    /**
     * The match method.
     *
     * @param msg	the Message number is matched with this Message
     * @return		true if the match succeeds, otherwise false
     */
    public boolean match(Message msg) {
	int msgno;

	try {
	    msgno = msg.getMessageNumber();
	} catch (Exception e) {
	    return false;
	}
	
	return super.match(msgno);
    }

    /**
     * Equality comparison.
     */
    public boolean equals(Object obj) {
	if (!(obj instanceof MessageNumberTerm))
	    return false;
	return super.equals(obj);
    }
}