seatunnel-connectors-v2/connector-clickhouse/src/main/java/org/apache/seatunnel/connectors/seatunnel/clickhouse/util/ClickhouseUtil.java

/*
 * 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.seatunnel.connectors.seatunnel.clickhouse.util;

import com.clickhouse.client.ClickHouseCredentials;
import com.clickhouse.client.ClickHouseNode;
import com.clickhouse.client.ClickHouseProtocol;
import org.apache.commons.lang3.StringUtils;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class ClickhouseUtil {

    public static List<ClickHouseNode> createNodes(String nodeAddress, String database, String username,
            String password) {
        return Arrays.stream(nodeAddress.split(",")).map(address -> {
            String[] nodeAndPort = address.split(":", 2);
            if (StringUtils.isEmpty(username) && StringUtils.isEmpty(password)) {
                return ClickHouseNode.builder().host(nodeAndPort[0]).port(ClickHouseProtocol.HTTP,
                        Integer.parseInt(nodeAndPort[1])).database(database).build();
            }
            return ClickHouseNode.builder().host(nodeAndPort[0]).port(ClickHouseProtocol.HTTP,
                            Integer.parseInt(nodeAndPort[1])).database(database)
                    .credentials(ClickHouseCredentials.fromUserAndPassword(username, password)).build();
        }).collect(Collectors.toList());
    }
}