001 /**
002 * jline - Java console input library
003 * Copyright (c) 2002,2003 Marc Prud'hommeaux marc@apocalypse.org
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either
008 * version 2.1 of the License, or (at your option) any later version.
009 *
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013 * Lesser General Public License for more details.
014 *
015 * You should have received a copy of the GNU Lesser General Public
016 * License along with this library; if not, write to the Free Software
017 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018 */
019 package jline;
020
021 import java.io.*;
022 import java.util.*;
023
024 /**
025 * <p>
026 * A completor that does nothing. Useful as the last item in an
027 * {@link ArgumentCompletor}.
028 * </p>
029 *
030 * @author <a href="mailto:marc@apocalypse.org">Marc Prud'hommeaux</a>
031 */
032 public class NullCompletor
033 implements Completor
034 {
035 /**
036 * Returns -1 always, indicating that the the buffer is never
037 * handled.
038 */
039 public int complete (String buffer, int cursor, List candidates)
040 {
041 return -1;
042 }
043 }