/*
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.
 *
 */

package org.apache.flink.connector.jdbc.dialect;

import java.util.Arrays;
import java.util.List;
import java.util.Optional;

/**
 * JdbcDialects
 *
 * @author wenmo
 * @since 2021/6/7 19:29
 */
public final class JdbcDialects {

    private static final List<JdbcDialect> DIALECTS =
            Arrays.asList(new DerbyDialect(), new MySQLDialect(), new PostgresDialect()
                    , new OracleDialect(), new ClickHouseDialect(), new SQLServerDialect());

    /**
     * Fetch the JdbcDialect class corresponding to a given database url.
     */
    public static Optional<JdbcDialect> get(String url) {
        for (JdbcDialect dialect : DIALECTS) {
            if (dialect.canHandle(url)) {
                return Optional.of(dialect);
            }
        }
        return Optional.empty();
    }
}

