/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.apache.cayenne.dba.h2;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.dba.DbAdapterFactory;
import org.apache.cayenne.dba.hsqldb.HSQLDBAdapter;
import org.apache.cayenne.dba.hsqldb.HSQLDBNoSchemaAdapter;
/**
* Detects HSQLDB database from JDBC metadata.
*
* @since 1.2
* @author Andrus Adamchik
*/
public class H2DBSniffer implements DbAdapterFactory {
@Override
public DbAdapter createAdapter(DatabaseMetaData md) throws SQLException {
String dbName = md.getDatabaseProductName();
if (dbName == null || dbName.toUpperCase().indexOf("HSQL") < 0) {
return null;
}
boolean supportsSchema = false;
if (md.getDriverMajorVersion() < 1) {
supportsSchema = true;
} else if (md.getDriverMajorVersion() == 1) {
if (md.getDriverMinorVersion() <= 8) {
supportsSchema = true;
} else {
supportsSchema = false;
}
} else {
supportsSchema = false;
}
return supportsSchema ? new HSQLDBAdapter() : new HSQLDBNoSchemaAdapter();
}
}