l2j-server-game/L2_GameServer/java/net/sf/l2j/gameserver/script/ScriptEngine.java

/*
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.script;

import java.util.Hashtable;

import net.sf.l2j.gameserver.script.faenor.FaenorInterface;



/**
 * @author Luis Arias
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class ScriptEngine
{
    protected EngineInterface _utils = new FaenorInterface();
    public static final Hashtable<String, ParserFactory> parserFactories = new Hashtable<String, ParserFactory>();

    protected static Parser createParser(String name)
        throws ParserNotCreatedException
    {
        ParserFactory s = parserFactories.get(name);
        if(s == null) // shape not found
        {
            try
            {
                Class.forName("net.sf.l2j.gameserver.script."+name);
                // By now the static block with no function would
                // have been executed if the shape was found.
                // the shape is expected to have put its factory
                // in the hashtable.

                s = parserFactories.get(name);
                if(s == null) // if the shape factory is not there even now
                {
                    throw (new ParserNotCreatedException());
                }
            }
            catch(ClassNotFoundException e)
            {
                // We'll throw an exception to indicate that
                // the shape could not be created
                throw(new ParserNotCreatedException());
            }
        }
        return(s.create());
    }
}