Java tutorial
/* * 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; 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; import javax.sql.DataSource; /** * @author mattmann * @version $Revision$ * * <p> * A class to build database connections from JDBC information. * </p>. */ public final class DatabaseConnectionBuilder { public static DataSource buildDataSource(String user, String pass, String driver, String url) { DataSource ds; 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); return new PoolingDataSource(connectionPool); } }