ExitCommand.java

/*******************************************************************************
 * Copyright (c) 2008, 2010 VMware Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   VMware Inc. - initial contribution
 *******************************************************************************/

package org.eclipse.virgo.shell.internal.commands;

import java.util.Arrays;
import java.util.List;

import org.eclipse.virgo.shell.Command;


/**
 * Provides a dummy place-holder for the exit command. <br/>
 * Since the exit command is treated specially by the command processor, this implementation cannot be invoked from the
 * shell. The existence of this definition implies that there can be help for it, which is automatically found and
 * displayed (by help) and that another command for 'exit' cannot be defined without a clash.
 * <p />
 * 
 * <strong>Concurrent Semantics</strong><br />
 * 
 * Severely thread-safe.
 * 
 */
@Command("exit")
public class ExitCommand {

    @Command("")
    public List<String> exit() {
        return Arrays.asList("No-op exit command called.");
    }
}