/* * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.com) * * Licensed 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.traccar.helper; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class AdvancedConnection { /** * Database connection */ private Connection connection; /** * Connection attributes */ private String url; private String user; private String password; public AdvancedConnection(String url, String user, String password) { this.url = url; this.user = user; this.password = password; } public final void reset() throws SQLException { if (connection != null) { connection.close(); connection = null; } if (user != null && password != null) { connection = DriverManager.getConnection(url, user, password); } else { connection = DriverManager.getConnection(url); } } public Connection getInstance() throws SQLException { if (connection == null) { reset(); } return connection; } }