package com.dbxml.db.core.extension;

/*
 * dbXML - Native XML Database
 * Copyright (C) 1999-2004  The dbXML Group, L.L.C.
 *
 * 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.
 *
 * $Id: SimpleExtension.java,v 1.2 2004/02/12 00:17:57 bradford Exp $
 */

import com.dbxml.db.core.Collection;
import com.dbxml.util.Configuration;
import com.dbxml.util.SimpleConfigurable;
import com.dbxml.util.dbXMLException;

/**
 * SimpleExtension implements default behavior for the required methods of
 * the Extension interface.  It can be used to serve as the foundation for
 * other Extension implementations.
 */

public class SimpleExtension extends SimpleConfigurable implements Extension {
   private static final String NAME = "name";

   protected Collection collection;
   protected String name;

   public void setCollection(Collection collection) {
      if ( this.collection == null )
         this.collection = collection;
   }

   public Collection getCollection() {
      return collection;
   }

   public void setConfig(Configuration config) throws dbXMLException {
      super.setConfig(config);
      name = config.getAttribute(NAME);
   }

   public String getName() {
      return name;
   }
}
