/*
 * Created on Jun 29, 2006 10:16:26 PM
 * Copyright (C) 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 */
package com.aelitis.azureus.ui.swt.browser.msg;

import com.aelitis.azureus.core.messenger.ClientMessageContext;

/**
 * Accepts and handles messages dispatched from {@link MessageDispatcher}.
 * Subclasses should use the message's operation ID and parameters to perform
 * the requested operation.
 * 
 * @author dharkness
 * @created Jul 18, 2006
 */
public interface MessageListener
{
    /**
     * Returns the unique ID for this listener.
     * 
     * @return listener's unique ID
     */
    public String getId ( ) ;

    /**
     * Returns the context for this listener.
     * 
     * @return listener's context
     */
    public ClientMessageContext getContext ( ) ;

    /**
     * Sets the context for this listener. Called by its dispatcher when attached.
     * 
     * @param context the new context for this listener
     */
    public void setContext ( ClientMessageContext context ) ;

    /**
     * Handles the given message, usually by parsing the parameters 
     * and calling the appropriate operation.
     * 
     * @param message holds all message information
     */
    public void handleMessage ( BrowserMessage message ) ;
}
