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.jdbc;
  
  import java.io.PrintWriter;
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.SQLException;
  import java.sql.SQLFeatureNotSupportedException;
  import java.util.Objects;
  import java.util.logging.Logger;
  import javax.sql.DataSource;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /** Adapt a JDBC URL to the DataSource interface. */
  class UrlDataSource implements DataSource {
    final String target;
    @Nullable PrintWriter logWriter;
    int loginTimeout;
  
    UrlDataSource(String target) {
      this.target = Objects.requireNonNull(target);
      this.logWriter = null;
    }
  
    @Override
    public Connection getConnection() throws SQLException {
      return DriverManager.getConnection(target);
    }
  
    @Override
    public Connection getConnection(String username, String password) throws SQLException {
      return DriverManager.getConnection(target, username, password);
    }
  
    @Override
    @SuppressWarnings("override.return")
    public @Nullable PrintWriter getLogWriter() throws SQLException {
      return logWriter;
    }
  
    @Override
    public void setLogWriter(PrintWriter out) throws SQLException {
      logWriter = out;
    }
  
    @Override
    public int getLoginTimeout() throws SQLException {
      return loginTimeout;
    }
  
    @Override
    public void setLoginTimeout(int seconds) throws SQLException {
      loginTimeout = seconds;
    }
  
    @Override
    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
      throw new SQLFeatureNotSupportedException("UrlDataSource does not support getParentLogger");
    }
  
    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
      try {
        return iface.cast(this);
      } catch (ClassCastException e) {
        throw new SQLException(e);
      }
    }
  
    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
      return iface.isInstance(this);
    }
  }
  