/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009 by Red Hat Inc and/or its affiliates or by
* third-party contributors as indicated by either @author tags or express
* copyright attribution statements applied by the authors. All
* third-party contributions are distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.dialect.resolver;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.dialect.PostgreSQLDialect;
import org.hibernate.dialect.DerbyDialect;
import org.hibernate.dialect.IngresDialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.dialect.InformixDialect;
import org.hibernate.dialect.DB2Dialect;
import org.hibernate.dialect.Oracle10gDialect;
import org.hibernate.dialect.Oracle9iDialect;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.SybaseAnywhereDialect;
import org.hibernate.dialect.SybaseASE15Dialect;
/**
* The standard Hibernate resolver.
*
* @author Steve Ebersole
*/
public class StandardDialectResolver extends AbstractDialectResolver{
private static final Logger log = LoggerFactory.getLogger( StandardDialectResolver.class );
protected Dialect resolveDialectInternal(DatabaseMetaData metaData) throws SQLException {
String databaseName = metaData.getDatabaseProductName();
int databaseMajorVersion = metaData.getDatabaseMajorVersion();
if ( "HSQL Database Engine".equals( databaseName ) ) {
return new HSQLDialect();
}
if ( "H2".equals( databaseName ) ) {
return new H2Dialect();
}
if ( "MySQL".equals( databaseName ) ) {
return new MySQLDialect();
}
if ( "PostgreSQL".equals( databaseName ) ) {
return new PostgreSQLDialect();
}
if ( "Apache Derby".equals( databaseName ) ) {
return new DerbyDialect();
}
if ( "ingres".equalsIgnoreCase( databaseName ) ) {
return new IngresDialect();
}
if ( databaseName.startsWith( "Microsoft SQL Server" ) ) {
return new SQLServerDialect();
}
if ( "Sybase SQL Server".equals( databaseName ) || "Adaptive Server Enterprise".equals( databaseName ) ) {
return new SybaseASE15Dialect();
}
if ( databaseName.startsWith( "Adaptive Server Anywhere" ) ) {
return new SybaseAnywhereDialect();
}
if ( "Informix Dynamic Server".equals( databaseName ) ) {
return new InformixDialect();
}
if ( databaseName.startsWith( "DB2/" ) ) {
return new DB2Dialect();
}
if ( "Oracle".equals( databaseName ) ) {
switch ( databaseMajorVersion ) {
case 11:
log.warn( "Oracle 11g is not yet fully supported; using 10g dialect" );
return new Oracle10gDialect();
case 10:
return new Oracle10gDialect();
case 9:
return new Oracle9iDialect();
case 8:
return new Oracle8iDialect();
default:
log.warn( "unknown Oracle major version [" + databaseMajorVersion + "]" );
}
}
return null;
}
}