JalistoObjectFactory.java :  » Database-DBMS » jalisto » org » objectweb » jalisto » se » jca » Java Open Source

/*
 * Jalisto - JAva LIght STOrage
 * Copyright (C) 2000-2005 Xcalia http://www.xcalia.com
 * 
 * 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.
 * 
 * Xcalia
 * 71, rue Desnouettes
 * 75014 Paris - France
 * http://www.xcalia.com
 */
package org.objectweb.jalisto.se.jca;

import org.objectweb.jalisto.se.exception.JcaException;
import org.objectweb.jalisto.se.impl.trace.Trace;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import javax.resource.cci.ConnectionFactory;
import java.util.Hashtable;

public class JalistoObjectFactory implements ObjectFactory {

    public Object getObjectInstance(Object refObj, Name name, Context nameCtx, Hashtable env)
            throws Exception {
        trace.println(Trace.JCA, TRACE_ID + " ClassLoader {0}" + JalistoObjectFactory.class.getClassLoader());
        trace.println(Trace.JCA, TRACE_ID + " getObjectInstance \n{0}\nNaming pmfContext name : {1}",
                      refObj, name);
        trace.println(Trace.JCA, TRACE_ID + " registered factories {0}", factoryList);

        Reference ref = (Reference) refObj;
        String driverName = (String) ref.get(JALISTOID).getContent();
        Object connectionFactory = factoryList.get(driverName);
        if (connectionFactory == null) {
            throw new JcaException("Jalisto Driver resource adapter does not exist");
        }
        return connectionFactory;
    }

    public static Object getConnectionFactory(Reference ref) {
        String driverName = (String) ref.get(JALISTOID).getContent();
        return factoryList.get(driverName);
    }

    public static void addConnectionFactory(String factoryId, ConnectionFactory cf) {
        if (factoryList.contains(factoryId)) {
            throw new JcaException("JCA resource adapter already exists");
        }
        factoryList.put(factoryId, cf);
        trace.println(Trace.JCA, "List " + factoryList);
    }


    public static void setTrace(Trace trace) {
        JalistoObjectFactory.trace = trace;
    }


    private static final Hashtable factoryList = new Hashtable();
    private static Trace trace;

    private static final String TRACE_ID = "[JalistoObjectFactory]";
    public static final String JALISTOID = "Naming.JALISTO";
}