/*
 * This example is from the book "Java Enterprise in a Nutshell".
 * Copyright (c) 1999 by O'Reilly & Associates.  
 * You may distribute this source code for non-commercial purposes only.
 * You may study, modify, and use this example for any purpose, as long as
 * this notice is retained.  Note that this example is provided "as is",
 * WITHOUT WARRANTY of any kind either expressed or implied.
 */

/******************************************************************************
commands.java

The commands command prints out the known commands for NamingShell. 

******************************************************************************/

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import javax.naming.Context;

public class commands implements Command {
    
    String COMMAND_NAME = "commands";
    Hashtable commands = NamingShell.getCommands();
    
    public void execute(Context currentContext, Vector args) 
        throws CommandException {
        
        System.out.println("Known commands: ");
        Enumeration names = commands.elements();
        while (names.hasMoreElements())
            System.out.println(((Command)
                names.nextElement()).getClass().getName());
        System.out.println();
    }
    
    public void help() { System.out.print("Usage: commands"); }
}