/*
Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

// Created on 09.01.2004 by RST.
// $Id: SuperAdapter.java,v 1.2 2004-08-20 21:29:58 salomo Exp $

package jake2.game;

import jake2.qcommon.Com;

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

public class SuperAdapter
{

	/** Adapter registration. */
	private static void register(SuperAdapter sa, String id)
	{
		adapters.put(id, sa);
	}

	/** Adapter repository. */
	private static Hashtable adapters= new Hashtable();

	/** Returns the adapter from the repository given by its ID. */
	public static SuperAdapter getFromID(String key)
	{
		System.out.println("SuperAdapter.getFromID(\""  + key  + "\")");
		SuperAdapter sa = (SuperAdapter) adapters.get(key);
		
		// try to create the adapter
		if (sa == null)
		{
			System.out.println("adapter not found:" + key);
			int pos = key.indexOf('$');
			String classname = key; 
			if (pos != -1)
				classname = key.substring(0, pos);
				
			// load class and instantiate
			try
			{
				System.err.println("loading class " + classname);
				Class.forName(classname).newInstance();
			}
			catch(Exception e)
			{
				System.err.println("jake2: class not found:" + classname);
			}
			
			// try it again...			
			sa = (SuperAdapter) adapters.get(key);
			
			if (sa == null)
				System.err.println("jake2: could not load adapter:" + key);
		}
		
		return sa;
	}

	/** Constructor, does the adapter registration. */
	public SuperAdapter()
	{
		StackTraceElement tr[] = new Throwable().getStackTrace();
		adapterid= tr[2].getClassName();
		if (adapterid == "")
			new Throwable("error in creating an adapter id!").printStackTrace();
		else 
			register(this, adapterid);
	}

	/** Returns the Adapter-ID. */
	public String getID()
	{
		return adapterid;
	}

	/** Adapter id. */
	private String adapterid;
}