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/*
 * 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
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */
package org.jooq.meta;

import org.jooq.SQLDialect;
// ...
// ...
import org.jooq.meta.cubrid.CUBRIDDatabase;
// ...
import org.jooq.meta.derby.DerbyDatabase;
import org.jooq.meta.firebird.FirebirdDatabase;
import org.jooq.meta.h2.H2Database;
// ...
import org.jooq.meta.hsqldb.HSQLDBDatabase;
// ...
// ...
import org.jooq.meta.jdbc.JDBCDatabase;
import org.jooq.meta.mariadb.MariaDBDatabase;
// ...
import org.jooq.meta.mysql.MySQLDatabase;
// ...
import org.jooq.meta.postgres.PostgresDatabase;
// ...
// ...
import org.jooq.meta.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 databaseClass(SQLDialect dialect) {
        Class result = JDBCDatabase.class;

        switch (dialect) {































            case CUBRID:           result = CUBRIDDatabase.class;           break;
            case DERBY:            result = DerbyDatabase.class;            break;




            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:         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);
        }
    }
}