/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.sampledata;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.metadata.ElementMetaDataParser;
import org.pentaho.reporting.libraries.base.boot.ModuleInitializeException;
import org.pentaho.reporting.libraries.base.boot.ModuleInitializer;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
public class SampleDataModuleInitializer implements ModuleInitializer
{
private static final Log logger = LogFactory.getLog(SampleDataModuleInitializer.class);
public SampleDataModuleInitializer()
{
}
/**
* Performs the initalization of the module.
*
* @throws ModuleInitializeException if an error occurs which prevents the module
* from being usable.
*/
public void performInit() throws ModuleInitializeException
{
try
{
Driver driver = ObjectUtilities.loadAndInstantiate
("org.hsqldb.jdbcDriver", SampleDataModuleInitializer.class, Driver.class);
populateDatabase(driver);
}
catch (Exception e)
{
throw new ModuleInitializeException("Failed to load the HSQL-DB driver", e);
}
ElementMetaDataParser.initializeOptionalDataFactoryMetaData
("org/pentaho/reporting/engine/classic/extensions/datasources/sampledata/meta-datafactory.xml");
}
private void populateDatabase(Driver driver)
throws SQLException, IOException
{
Properties p = new Properties();
p.setProperty("user", "sa");
p.setProperty("password", "");
final Connection connection = driver.connect("jdbc:hsqldb:mem:SampleData", p);
connection.setAutoCommit(false);
try
{
final Configuration config = ClassicEngineBoot.getInstance().getGlobalConfig();
final String location = config.getConfigProperty
("org.pentaho.reporting.engine.classic.extensions.datasources.sampledata.SampleDataLocation");
final InputStream in = SampleDataModule.class.getResourceAsStream(location);
if (in == null)
{
logger.warn("Invalid database init-script specified. Sample database will be empty. [" + location + "]");
return;
}
final InputStreamReader inReader = new InputStreamReader(in);
final BufferedReader bin = new BufferedReader(inReader);
try
{
final Statement statement = connection.createStatement();
try
{
String line;
while ((line = bin.readLine()) != null)
{
if (line.startsWith("CREATE SCHEMA ") ||
line.startsWith("CREATE USER SA ") ||
line.startsWith("GRANT DBA TO SA"))
{
// ignore the error, HSQL sucks
}
else
{
statement.addBatch(StringEscapeUtils.unescapeJava(line));
}
}
statement.executeBatch();
}
finally
{
statement.close();
}
}
finally
{
bin.close();
}
connection.commit();
}
finally
{
connection.close();
}
}
}