package org.hibernate.cfg;
import java.util.Properties;
import org.hibernate.cfg.reveng.dialect.H2MetaDataDialect;
import org.hibernate.cfg.reveng.dialect.HSQLMetaDataDialect;
import org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect;
import org.hibernate.cfg.reveng.dialect.MetaDataDialect;
import org.hibernate.cfg.reveng.dialect.MySQLMetaDataDialect;
import org.hibernate.cfg.reveng.dialect.OracleMetaDataDialect;
//import org.hibernate.cfg.reveng.dialect.SQLServerMetaDataDialect;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.Oracle9Dialect;
import org.hibernate.internal.util.ReflectHelper;
//import org.hibernate.dialect.SQLServerDialect;
public class MetaDataDialectFactory {
public MetaDataDialect createMetaDataDialect(Dialect dialect, Properties cfg) {
String property = cfg.getProperty( "hibernatetool.metadatadialect" );
MetaDataDialect mdd = fromClassName(property);
if(mdd==null) {
mdd = fromDialect(dialect);
}
if(mdd==null) {
mdd = fromDialectName(dialect.getClass().getName());
}
if(mdd==null) {
mdd = new JDBCMetaDataDialect();
}
return mdd;
}
private MetaDataDialect fromClassName(String property) {
if ( property != null ) {
try {
return (MetaDataDialect) ReflectHelper.classForName( property,
JDBCReaderFactory.class ).newInstance();
}
catch (Exception e) {
throw new JDBCBinderException(
"Could not load MetaDataDialect: " + property, e );
}
} else {
return null;
}
}
public MetaDataDialect fromDialect(Dialect dialect) {
if(dialect!=null) {
if(dialect instanceof Oracle9Dialect) {
return new OracleMetaDataDialect();
} else if(dialect instanceof Oracle8iDialect) {
return new OracleMetaDataDialect();
} else if (dialect instanceof H2Dialect) {
return new H2MetaDataDialect();
} else if (dialect instanceof MySQLDialect) {
return new MySQLMetaDataDialect();
} else if (dialect instanceof HSQLDialect) {
return new HSQLMetaDataDialect();
// }else if (dialect instanceof SQLServerDialect) {
// return new SQLServerMetaDataDialect();
}
}
return null;
}
public MetaDataDialect fromDialectName(String dialect) {
if (dialect.toLowerCase().contains("oracle")) {
return new OracleMetaDataDialect();
}
if (dialect.toLowerCase().contains("mysql")) {
return new MySQLMetaDataDialect();
}
if (dialect.toLowerCase().contains("h2")) {
return new H2MetaDataDialect();
}
if (dialect.toLowerCase().contains("hsql")) {
return new HSQLMetaDataDialect();
}
// if (dialect.toLowerCase().contains("sqlserver")) {
// return new SQLServerMetaDataDialect();
// }
return null;
}
}