acpicommand.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: AcpiCommand.java,v 1.1 2003/11/25 11:53:00 epr Exp $
 */
package org.jnode.driver.acpi.command;

import javax.naming.NameNotFoundException;

import org.jnode.driver.acpi.ACPI;
import org.jnode.naming.InitialNaming;
import org.jnode.shell.help.Help;
import org.jnode.shell.help.OptionArgument;
import org.jnode.shell.help.Parameter;
import org.jnode.shell.help.ParsedArguments;
import org.jnode.shell.help.Syntax;

/**
 * ACPI command.
 * 
 * <p>
 * Title:
 * </p>
 * <p>
 * Description:
 * </p>
 * <p>
 * Copyright: Copyright (c) 2003
 * </p>
 * <p>
 * Company:
 * </p>
 * 
 * @author not attributable
 * @version 1.0
 */

public class AcpiCommand {

	public AcpiCommand() {
	}

	static final String FUNC_DUMP = "dump";
	static final String FUNC_BATTERY = "battery";

	static final OptionArgument ARG_FUNCTION =
		new OptionArgument(
			"function",
			"the function to perform",
			new OptionArgument.Option[] {
				new OptionArgument.Option(FUNC_DUMP, "lists all devices that can be discovered and controlled through ACPI"),
				new OptionArgument.Option(FUNC_BATTERY, "displays information about installed batteries")});

	public static Help.Info HELP_INFO =
		new Help.Info(
			"acpi",
			new Syntax[] { new Syntax("displays ACPI details"), new Syntax("manage ACPI system", new Parameter[] { new Parameter(ARG_FUNCTION, Parameter.OPTIONAL)})
	});

	public static void main(String[] args) throws Exception {

		ParsedArguments cmdLine = HELP_INFO.parse(args);

		ACPI acpi = null;

		try {
			acpi = (ACPI) InitialNaming.lookup(ACPI.NAME);
		} catch (NameNotFoundException ex2) {
			System.out.println("Could not connect to ACPI");
			return;
		}

		if (cmdLine.size() == 0) {
			System.out.println(acpi.toDetailedString());
		} else {
			String func = ARG_FUNCTION.getValue(cmdLine);
			if (func.equalsIgnoreCase(FUNC_DUMP)) {
				acpi.dump();
			} else if (func.equalsIgnoreCase(FUNC_BATTERY)) {
				acpi.dumpBattery();
			}
		}
	}
}