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DatabaseTestUtils.java
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DatabaseTestUtils.java
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/*
* #%L
* Bitrepository Core
* %%
* Copyright (C) 2010 - 2012 The State and University Library, The Royal Library and The State Archives, Denmark
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
package org.bitrepository.common.utils;
import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
class DatabaseTestUtils {
/**
* Get access to the database stored in the given file. This will start
* a new transaction that will be rolled back with dropDatabase.
* Only one connection can be taken at a time.
*
* @param jarfile A file that contains a test database.
* @param dbUnzipDir
* @return a connection to the database stored in the given file
* @throws Exception If anything goes wrong.
*/
public static Connection takeDatabase(File jarfile, String dbname, File dbUnzipDir)
throws Exception {
FileUtils.delete(new File(dbUnzipDir, dbname));
FileUtils.unzip(jarfile, dbUnzipDir);
final String dbfile = dbUnzipDir + "/" + dbname;
/* Set DB name */
String driverName = "org.apache.derby.jdbc.EmbeddedDriver";
Class.forName(driverName).getDeclaredConstructor().newInstance();
String dbUri = "jdbc:derby:" + dbfile;
return DriverManager.getConnection(dbUri);
}
}