/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
package javax.jdo;

import java.util.Map;

/**
 * 
 * <p>
 */
public class PMFService implements Constants{

    public PMFService() {
    }

    public static PersistenceManagerFactory getPersistenceManagerFactory(
            Map overrides, Map props) {
        PersistenceManagerFactory pmf =
                (PersistenceManagerFactory) PMFProxy.newInstance();
        setPMFProperties(pmf, props, overrides);

        return pmf;
    }

    public static PersistenceManagerFactory getPersistenceManagerFactory(
            Map props) {
        PersistenceManagerFactory pmf =
                (PersistenceManagerFactory) PMFProxy.newInstance();
        setPMFProperties(pmf, props, null);

        return pmf;
    }

    private static void setPMFProperties(PersistenceManagerFactory pmf,
            Map props, Map overrides) {

        pmf.setConnectionDriverName((String)props.get(PROPERTY_CONNECTION_DRIVER_NAME));

        if (overrides != null) {
            pmf.setConnectionDriverName((String)overrides.get(PROPERTY_CONNECTION_DRIVER_NAME));
        }
    }
}