/* * This file is part of "The Java Telnet Application". * * This 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, or (at your option) * any later version. * * "The Java Telnet Application" 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 software; see the file COPYING.  If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */package de.mud.jta.event;import de.mud.jta.PluginMessage;import de.mud.jta.PluginListener;import de.mud.jta.event.TerminalTypeListener;/** * Request message for the current terminal type. * <P> * <B>Maintainer:</B> Matthias L. Jugel * * @version $Id: TerminalTypeRequest.java,v 2.0 1999/09/08 17:01:48 leo Exp $ * @author Matthias L. Jugel, Marcus Mei遪er */public class TerminalTypeRequest implements PluginMessage {  /**   * Ask all terminal type listener about the terminal type and return   * the first answer.   * @param pl the list of plugin message listeners   * @return the terminal type or null   */  public Object firePluginMessage(PluginListener pl) {    if(pl instanceof TerminalTypeListener) {      Object ret = ((TerminalTypeListener)pl).getTerminalType();      if(ret != null) return ret;    }    return null;  }}