org.crsh.cmdline.completers.EmptyCompleter Maven / Gradle / Ivy
/*
* Copyright (C) 2010 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.cmdline.completers;
import org.crsh.cmdline.ParameterDescriptor;
import org.crsh.cmdline.spi.Completer;
import org.crsh.cmdline.spi.ValueCompletion;
/**
* A {@link Completer} implementation that returns no completion results.
*
* @author Julien Viet
* @version $Revision$
*/
public class EmptyCompleter implements Completer {
/** . */
private static final EmptyCompleter instance = new EmptyCompleter();
/**
* Returns the empty completer instance.
*
* @return the instance
*/
public static EmptyCompleter getInstance() {
return instance;
}
/**
* Returns the value returned by {@link java.util.Collections#emptyList()}.
*/
public ValueCompletion complete(ParameterDescriptor parameter, String prefix) {
return ValueCompletion.create();
}
}