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/* |
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* Copyright 2014, Armenak Grigoryan, and individual contributors as indicated |
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* by the @authors tag. See the copyright.txt in the distribution for a |
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* full listing of individual contributors. |
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* |
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* This is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This software is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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*/ |
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package com.strider.datadefender.database; |
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import com.strider.datadefender.DbConfig; |
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import com.strider.datadefender.utils.ISupplierWithException; |
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import java.sql.Connection; |
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import java.sql.SQLException; |
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import java.sql.DriverManager; |
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import org.apache.commons.lang3.StringUtils; |
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import lombok.extern.log4j.Log4j2; |
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/** |
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* Handles standard database connections with username/password provided. |
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*/ |
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@Log4j2 |
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public class DbConnection implements IDbConnection { |
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protected final DbConfig config; |
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/** |
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* Default constructor, initializes config. |
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* @param config |
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*/ |
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public DbConnection(final DbConfig config) { |
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this.config = config; |
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} |
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/** |
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* Handles the actual creating of the connection, by running the supplier |
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* method provided by subclasses. |
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* |
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* @param supplier |
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* @return |
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* @throws DatabaseException |
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*/ |
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protected Connection doConnect( |
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final ISupplierWithException<Connection, SQLException> supplier |
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) throws DatabaseException { |
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Connection conn = null; |
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try { |
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log.info("Establishing database connection"); |
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conn = supplier.get(); |
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conn.setAutoCommit(false); |
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} catch (SQLException e) { |
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if (conn != null) { |
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try { |
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conn.close(); |
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} catch (SQLException e2) { |
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// ignore |
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} |
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} |
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throw new DatabaseException(e.getMessage(), e); |
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} |
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return conn; |
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} |
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/** |
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* Default implementation calls DriverManager.getConnection with the |
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* provided jdbc url, username and password. |
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* |
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* @return Connection |
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* @throws DatabaseAnonymizerException |
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*/ |
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@Override |
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public Connection connect() throws DatabaseException { |
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return doConnect(() -> DriverManager.getConnection( |
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config.getUrl(), |
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StringUtils.trimToNull(config.getUsername()), |
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StringUtils.trimToNull(config.getPassword()) |
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)); |
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} |
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} |
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armenak /
DataDefender
