content: /*
   * 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.arrow.adbc.driver.flightsql;
  
  import java.net.URISyntaxException;
  import java.util.Map;
  import java.util.Objects;
  import org.apache.arrow.adbc.core.AdbcDatabase;
  import org.apache.arrow.adbc.core.AdbcDriver;
  import org.apache.arrow.adbc.core.AdbcException;
  import org.apache.arrow.adbc.sql.SqlQuirks;
  import org.apache.arrow.flight.Location;
  import org.apache.arrow.memory.BufferAllocator;
  import org.apache.arrow.util.Preconditions;
  
  /** An ADBC driver wrapping Arrow Flight SQL. */
  public class FlightSqlDriver implements AdbcDriver {
    private final BufferAllocator allocator;
  
    public FlightSqlDriver(BufferAllocator allocator) {
      this.allocator = Objects.requireNonNull(allocator);
    }
  
    @Override
    public AdbcDatabase open(Map<String, Object> parameters) throws AdbcException {
      String uri = PARAM_URI.get(parameters);
      if (uri == null) {
        Object target = parameters.get(AdbcDriver.PARAM_URL);
        if (!(target instanceof String)) {
          throw AdbcException.invalidArgument(
              "[Flight SQL] Must provide String " + PARAM_URI + " parameter");
        }
        uri = (String) target;
      }
  
      Location location;
      try {
        location = new Location(uri);
      } catch (URISyntaxException e) {
        throw AdbcException.invalidArgument(
                String.format("[Flight SQL] Location %s is invalid: %s", uri, e))
            .withCause(e);
      }
      Object quirks = parameters.get(PARAM_SQL_QUIRKS);
      if (quirks != null) {
        Preconditions.checkArgument(
            quirks instanceof SqlQuirks,
            String.format(
                "[Flight SQL] %s must be a SqlQuirks instance, not %s",
                PARAM_SQL_QUIRKS, quirks.getClass().getName()));
      } else {
        quirks = new SqlQuirks();
      }
      return new FlightSqlDatabase(allocator, location, (SqlQuirks) quirks, parameters);
    }
  }
  