/*
Copyright (C) 2003 EBI, GRL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.ensembl.mart.lib;
/**
* Returns an UnprocessFilterHandler implimenting object using the Java ClassLoader
* system.
* @author <a href="mailto:dlondon@ebi.ac.uk">Darin London</a>
* @author <a href="mailto:craig@ebi.ac.uk">Craig Melsopp</a>
*/
public class UnprocessedFilterHandlerFactory {
/**
* @param handler - Name of the Java Class to load to handle a Filter requiring further processing.
* @return UnprocessFilterHandler Implimenting Object
* @throws InvalidQueryException wrapping any Exception related to loading the Class using Class.forName().newInstance();
*/
public static UnprocessedFilterHandler getInstance(String handler) throws InvalidQueryException {
try {
UnprocessedFilterHandler obj = (UnprocessedFilterHandler) Class.forName(handler).newInstance();
return obj;
} catch (Exception e) {
throw new InvalidQueryException("Could not load Class for Handler " + handler + " " + e.getMessage(), e);
}
}
}