/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.geronimo.gshell.commands.builtin;

import org.apache.geronimo.gshell.clp.Argument;
import org.apache.geronimo.gshell.command.CommandAction;
import org.apache.geronimo.gshell.command.CommandContext;
import org.apache.geronimo.gshell.notification.ExitNotification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Exit the current shell.
 *
 * @version $Rev$ $Date$
 */
public class ExitAction
    implements CommandAction
{
    private final Logger log = LoggerFactory.getLogger(getClass());

    @Argument
    private int exitCode = 0;

    public Object execute(final CommandContext context) throws Exception {
        assert context != null;

        log.info("Exiting w/code: {}", exitCode);
        
        // Do not call System.exit(), ask the shell to exit instead.
        throw new ExitNotification(exitCode);
    }
}