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package com.sun.mail.gimap;

import java.io.*;

import javax.mail.*;
import javax.mail.internet.*;

import com.sun.mail.util.*;
import com.sun.mail.iap.*;
import com.sun.mail.imap.*;
import com.sun.mail.imap.protocol.*;
import com.sun.mail.gimap.protocol.*;

/**
 * A Gmail message.  Adds methods to access Gmail-specific per-message data.
 *
 * @since JavaMail 1.4.6
 * @author Bill Shannon
 */

public class GmailMessage extends IMAPMessage {
    /**
     * Constructor.
     */
    protected GmailMessage(IMAPFolder folder, int msgnum) {
	super(folder, msgnum);
    }

    /**
     * Constructor, for use by IMAPNestedMessage.
     */
    protected GmailMessage(Session session) {
	super(session);
    }

    /**
     * Return the Gmail unique message ID.
     */
    public long getMsgId() throws MessagingException {
	Long msgid = (Long)getItem(GmailProtocol.MSGID_ITEM);
	if (msgid != null)
	    return msgid.longValue();
	else
	    return -1;
    }

    /**
     * Return the Gmail unique thread ID.
     */
    public long getThrId() throws MessagingException {
	Long thrid = (Long)getItem(GmailProtocol.THRID_ITEM);
	if (thrid != null)
	    return thrid.longValue();
	else
	    return -1;
    }

    /**
     * Return the Gmail labels associated with this message.
     */
    public String[] getLabels() throws MessagingException {
	String[] labels = (String[])getItem(GmailProtocol.LABELS_ITEM);
	if (labels != null)
	    return (String[])(labels.clone());
	else
	    return null;
    }

}