content: /*
   * Copyright 2024 Copyright 2022 Aiven Oy and
   * bigquery-connector-for-apache-kafka project contributors
   *
   * This software contains code derived from the Confluent BigQuery
   * Kafka Connector, Copyright Confluent, Inc, which in turn
   * contains code derived from the WePay BigQuery Kafka Connector,
   * Copyright WePay, Inc.
   *
   * 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.
   */
  
  package com.wepay.kafka.connect.bigquery.integration.utils;
  
  import static com.wepay.kafka.connect.bigquery.utils.TableNameUtils.table;
  
  import com.google.cloud.bigquery.BigQuery;
  import com.google.cloud.bigquery.TableId;
  import com.wepay.kafka.connect.bigquery.utils.FieldNameSanitizer;
  import java.util.Arrays;
  import java.util.Collection;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class TableClearer {
    private static final Logger logger = LoggerFactory.getLogger(TableClearer.class);
  
    /**
     * Clear out one or more BigQuery tables. Useful in integration testing to provide a clean slate
     * before creating a connector and writing to those tables.
     *
     * @param bigQuery The BigQuery client to use when sending table deletion requests.
     * @param dataset  The dataset that the to-be-cleared tables belong to.
     * @param tables   The tables to clear.
     */
    public static void clearTables(BigQuery bigQuery, String dataset, Collection<String> tables) {
      for (String tableName : tables) {
        TableId table = TableId.of(dataset, FieldNameSanitizer.sanitizeName(tableName));
        if (bigQuery.delete(table)) {
          logger.info("{} deleted successfully", table(table));
        } else {
          logger.info("{} does not exist", table(table));
        }
      }
    }
  
    /**
     * Clear out one or more BigQuery tables. Useful in integration testing to provide a clean slate
     * before creating a connector and writing to those tables.
     *
     * @param bigQuery The BigQuery client to use when sending table deletion requests.
     * @param dataset  The dataset that the to-be-cleared tables belong to.
     * @param tables   The tables to clear.
     */
    public static void clearTables(BigQuery bigQuery, String dataset, String... tables) {
      clearTables(bigQuery, dataset, Arrays.asList(tables));
    }
  }
  