93 lines
2.6 KiB
Java
93 lines
2.6 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015 MINRES Technologies GmbH and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* MINRES Technologies GmbH - initial API and implementation
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*******************************************************************************/
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package com.minres.scviewer.database.sqlite.db;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.HashMap;
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public class SQLiteDatabase implements IDatabase {
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protected String dbFileName;
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protected HashMap<String, Object> props;
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static {
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try {
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URL dbUrl = SQLiteDatabase.class.getResource("/sqlite-jdbc-3.8.7.jar");
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ClassLoader loader = URLClassLoader.newInstance(
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new URL[] { dbUrl },
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SQLiteDatabase.class.getClassLoader()
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);
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Class.forName("org.sqlite.JDBC", true, loader);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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}
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public SQLiteDatabase(String dbFileName) {
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super();
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this.dbFileName = dbFileName;
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props = new HashMap<String, Object>();
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}
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@Override
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public Connection createConnection() throws SQLException {
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// create a database connection and return it
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return DriverManager.getConnection(getConnectionUrl() );
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}
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@Override
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public String getConnectionUrl() {
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// now we set up a set of fairly basic string variables to use in the body of the code proper
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String sJdbc = "jdbc:sqlite";
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String sDbUrl = sJdbc + ":" + dbFileName;
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// which will produce a legitimate Url for SqlLite JDBC :
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// jdbc:sqlite:hello.db
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return sDbUrl;
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}
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@Override
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public void close(ResultSet resultSet, Statement statement, Connection connection) {
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try {
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if(resultSet!=null) resultSet.close();
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if(statement!=null) statement.close();
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if(connection!=null) connection.close();
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} catch (SQLException e) {}
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}
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@Override
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public void close(PreparedStatement preparedStatement, Connection connection) {
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try {
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preparedStatement.close();
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connection.close();
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} catch (SQLException e) {}
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}
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@Override
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public void setData(String name, Object value){
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props.put(name, value);
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}
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@Override
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public Object getData(String name){
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return props.get(name);
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}
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}
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