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JDBC Driver for the Firebird RDBMS
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/*
 * $Id: FBPooledDataSourceFactory.java,v 1.5 2006/01/20 04:09:35 sjardine Exp $
 * 
 * Firebird Open Source J2EE Connector - JDBC Driver
 *
 * Distributable under LGPL license.
 * You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
 *
 * 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
 * LGPL License for more details.
 *
 * This file was created by members of the firebird development team.
 * All individual contributions remain the Copyright (C) of those
 * individuals.  Contributors to this file are either listed here or
 * can be obtained from a CVS history command.
 *
 * All rights reserved.
 */
package org.firebirdsql.pool;

import java.lang.reflect.Method;
import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;

import org.firebirdsql.gds.ClassFactory;
import org.firebirdsql.jdbc.FBSQLException;
import org.firebirdsql.logging.Logger;
import org.firebirdsql.logging.LoggerFactory;

/**
 * Creates Pooled DataSource objects.
 * 
 * @author Steven Jardine 
 */
public class FBPooledDataSourceFactory {

    private static Logger log = LoggerFactory.getLogger(FBPooledDataSourceFactory.class, false);

    /**
     * @return a new DriverConnectionPoolDatasource object.
     */
    public static AbstractDriverConnectionPoolDataSource createDriverConnectionPoolDataSource() {

        try {

            return (AbstractDriverConnectionPoolDataSource) ClassFactory.get(
                    ClassFactory.DriverConnectionPoolDataSource).newInstance();

        } catch (Exception e) {

            log.error(e.getMessage(), e);
            return null;

        }
    }

    /**
     * @return a new FBConnectionPoolDataSource object.
     */
    public static AbstractFBConnectionPoolDataSource createFBConnectionPoolDataSource() {

        try {

            return (AbstractFBConnectionPoolDataSource) ClassFactory.get(
                    ClassFactory.FBConnectionPoolDataSource).newInstance();

        } catch (Exception e) {

            log.error(e.getMessage(), e);
            return null;

        }
    }

    /**
     * Creates an objectFactory and returns an object instance of
     * AbstractFBConnectionPoolDataSource.
     */
    public static AbstractFBConnectionPoolDataSource getFBConnectionPoolInstance(
            Reference reference, Name name, Context context, Hashtable environment)
            throws FBSQLException {

        try {

            AbstractFBConnectionPoolDataSource objectFactory = createFBConnectionPoolDataSource();

            Method method = createFBConnectionPoolDataSource().getClass().getMethod(
                    "getObjectInstance",
                    new Class[] { Reference.class, Name.class, Context.class, Hashtable.class });

            return (AbstractFBConnectionPoolDataSource) method.invoke(objectFactory, new Object[] {
                    reference, name, context, environment });

        } catch (Exception e) {

            throw new FBSQLException(e);

        }

    }

}