/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
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*/
package org.jooq.util;
import org.jooq.SQLDialect;
// ...
import org.jooq.util.cubrid.CUBRIDDatabase;
// ...
import org.jooq.util.derby.DerbyDatabase;
import org.jooq.util.firebird.FirebirdDatabase;
import org.jooq.util.h2.H2Database;
// ...
import org.jooq.util.hsqldb.HSQLDBDatabase;
// ...
// ...
import org.jooq.util.jdbc.JDBCDatabase;
import org.jooq.util.mariadb.MariaDBDatabase;
import org.jooq.util.mysql.MySQLDatabase;
// ...
import org.jooq.util.postgres.PostgresDatabase;
// ...
import org.jooq.util.sqlite.SQLiteDatabase;
// ...
// ...
// ...
/**
* A common utility class that provides access to various {@link Database}
* implementations and {@link SQLDialect}s.
*
* @author Lukas Eder
*/
public class Databases {
/**
* Get a reference to a {@link Database} class for a given {@link SQLDialect}.
*/
@SuppressWarnings("deprecation")
public static final Class<? extends Database> databaseClass(SQLDialect dialect) {
Class<? extends Database> result = JDBCDatabase.class;
switch (dialect) {
case CUBRID: result = CUBRIDDatabase.class; break;
case DERBY: result = DerbyDatabase.class; break;
case FIREBIRD_2_5:
case FIREBIRD_3_0:
case FIREBIRD: result = FirebirdDatabase.class; break;
case H2: result = H2Database.class; break;
case HSQLDB: result = HSQLDBDatabase.class; break;
case MARIADB: result = MariaDBDatabase.class; break;
case MYSQL: result = MySQLDatabase.class; break;
case POSTGRES_9_3:
case POSTGRES_9_4:
case POSTGRES_9_5:
case POSTGRES: result = PostgresDatabase.class; break;
case SQLITE: result = SQLiteDatabase.class; break;
case DEFAULT:
case SQL99: result = JDBCDatabase.class; break;
}
return result;
}
/**
* Get a {@link Database} instance for a given {@link SQLDialect}.
*/
public static final Database database(SQLDialect dialect) {
try {
return databaseClass(dialect).newInstance();
}
catch (Exception e) {
throw new IllegalArgumentException("Cannot create an Database instance for " + dialect, e);
}
}
}