haltcommand.java

纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统

/*
 * $Id: HaltCommand.java,v 1.1 2003/11/25 11:52:58 epr Exp $
 */
package org.jnode.shell.command;

import java.io.InputStream;
import java.io.PrintStream;

import javax.naming.NameNotFoundException;

import org.jnode.naming.InitialNaming;
import org.jnode.plugin.PluginManager;
import org.jnode.shell.CommandLine;
import org.jnode.shell.help.*;

/**
 * Halts the system
 * @author epr
 */
public class HaltCommand {

        public static Help.Info HELP_INFO = new Help.Info(
		"halt",
		"Stop all services and devices, so the computer can be turned off"
	);

	public static void main(String[] args)
	throws Exception {
		new HaltCommand().execute(new CommandLine(args), System.in, System.out, System.err);
	}

	/**
	 * Execute this command
	 */
	public void execute(
		CommandLine cmdLine,
		InputStream in,
		PrintStream out,
		PrintStream err) {
			
		try {
			final PluginManager sm = (PluginManager)InitialNaming.lookup(PluginManager.NAME);
			sm.stopPlugins();
		} catch (NameNotFoundException ex) {
			err.println("Cannot find ServiceManager");
		}
	}

}