0.8.1-rc1/commons/src/main/java/org/apache/oodt/commons/database/DatabaseConnectionBuilder.java

/*
 * 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 org.apache.oodt.commons.database;

//JDK imports
import javax.sql.DataSource;

//APACHE imports
import org.apache.commons.dbcp.ConnectionFactory;
import org.apache.commons.dbcp.DriverManagerConnectionFactory;
import org.apache.commons.dbcp.PoolableConnectionFactory;
import org.apache.commons.dbcp.PoolingDataSource;
import org.apache.commons.pool.impl.GenericObjectPool;

/**
 * @author mattmann
 * @version $Revision$
 * 
 * <p>
 * A class to build database connections from JDBC information.
 * </p>.
 */
public final class DatabaseConnectionBuilder {

    public static final DataSource buildDataSource(String user, String pass,
            String driver, String url) {

        DataSource ds = null;

        try {
            Class.forName(driver);
        } catch (ClassNotFoundException ignore) {
        }

        GenericObjectPool connectionPool = new GenericObjectPool(null);
        ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(
                url, user, pass);
        PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(
                connectionFactory, connectionPool, null, null, false, true);

        ds = new PoolingDataSource(connectionPool);

        return ds;
    }

}