001 /* 002 * Copyright (C) 2012 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.cli.completers; 021 022 import org.crsh.cli.descriptor.ParameterDescriptor; 023 import org.crsh.cli.spi.Completer; 024 import org.crsh.cli.spi.Completion; 025 026 public class EmptyCompleter implements Completer { 027 028 /** . */ 029 private static final EmptyCompleter instance = new EmptyCompleter(); 030 031 /** 032 * Returns the empty completer instance. 033 * 034 * @return the instance 035 */ 036 public static EmptyCompleter getInstance() { 037 return instance; 038 } 039 040 /** 041 * Returns the value returned by {@link java.util.Collections#emptyList()}. 042 */ 043 public Completion complete(ParameterDescriptor parameter, String prefix) { 044 return Completion.create(); 045 } 046 }