import java.lang.reflect.*;

class Launcher
{
	public static void main(String[] args)
		throws Throwable
	{
		/* Этап 1: Сохраняем список параметров */
		Args.args = args;

		/* Этап 2: Получаем имена связки Модуль.Команда */
		if(args == null || args.length < 1)
		{
			System.err.println("uses: Launcher Module[.Command] {Argumets}");
			System.exit(1);
		}

		String moduleName = args[0];
		String commandName = "";
		int i = args[0].indexOf('.');
		if(i >= 0)
		{
			moduleName = args[0].substring(0, i);
			commandName = args[0].substring(i + 1);
			if(commandName == "BEGIN")
			{
				commandName = "";
			}
		}

		/* Этап 3: Выполнение тела модуля и команды */
		Class<?> module = null;
		Method begin = null;
		Method command = null;

		try {
			module = Class.forName(moduleName);
		} catch(ClassNotFoundException e) {
			System.err.println("Module " + moduleName + " not found");
			System.exit(1);			
		}

		try {
			begin = module.getMethod("BEGIN");
		} catch(Exception e) {
			System.err.println("Invalid module " + moduleName);
			System.exit(1);
		}

		try {
			begin.invoke(null);
		} catch(IllegalAccessException e) {
			System.err.println("Invalid module " + moduleName);
			System.exit(1);
		} catch(IllegalArgumentException e) {
			System.err.println("Invalid module " + moduleName);
			System.exit(1);			
		} catch(InvocationTargetException e) {
			throw e.getTargetException();
		}

		if(commandName == "")
		{
			return;
		}

		try {
			command = module.getMethod(commandName);
		} catch(Exception e) {
			System.err.println("Invalid command " + moduleName + "." + commandName);
			System.exit(1);
		}

		try {
			command.invoke(null);
		} catch(IllegalAccessException e) {
			System.err.println("Invalid command " + moduleName + "." + commandName);
			System.exit(1);
		} catch(IllegalArgumentException e) {
			System.err.println("Invalid command " + moduleName + "." + commandName);
			System.exit(1);
		} catch(InvocationTargetException e) {
			throw e.getTargetException();
		}
	}
}