code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.openqa.selenium.edge;
  
  import com.google.common.collect.ImmutableMap;
  import java.util.Map;
  import org.openqa.selenium.Beta;
  import org.openqa.selenium.WebDriver;
  import org.openqa.selenium.chromium.ChromiumDriver;
  import org.openqa.selenium.chromium.ChromiumDriverCommandExecutor;
  import org.openqa.selenium.internal.Require;
  import org.openqa.selenium.remote.CommandInfo;
  import org.openqa.selenium.remote.RemoteWebDriver;
  import org.openqa.selenium.remote.RemoteWebDriverBuilder;
  import org.openqa.selenium.remote.http.ClientConfig;
  import org.openqa.selenium.remote.service.DriverFinder;
  import org.openqa.selenium.remote.service.DriverService;
  
  /**
   * A {@link WebDriver} implementation that controls an Edge browser running on the local machine. It
   * requires an <code>edgedriver</code> executable to be available in PATH.
   *
   * @see <a href="https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver/">Microsoft
   *     WebDriver</a>
   */
  public class EdgeDriver extends ChromiumDriver {
  
    public EdgeDriver() {
      this(new EdgeOptions());
    }
  
    public EdgeDriver(EdgeOptions options) {
      this(new EdgeDriverService.Builder().build(), options);
    }
  
    public EdgeDriver(EdgeDriverService service) {
      this(service, new EdgeOptions());
    }
  
    public EdgeDriver(EdgeDriverService service, EdgeOptions options) {
      this(service, options, ClientConfig.defaultConfig());
    }
  
    public EdgeDriver(EdgeDriverService service, EdgeOptions options, ClientConfig clientConfig) {
      super(generateExecutor(service, options, clientConfig), options, EdgeOptions.CAPABILITY);
      casting = new AddHasCasting().getImplementation(getCapabilities(), getExecuteMethod());
      cdp = new AddHasCdp().getImplementation(getCapabilities(), getExecuteMethod());
    }
  
    private static EdgeDriverCommandExecutor generateExecutor(
        EdgeDriverService service, EdgeOptions options, ClientConfig clientConfig) {
      Require.nonNull("Driver service", service);
      Require.nonNull("Driver options", options);
      Require.nonNull("Driver clientConfig", clientConfig);
      if (service.getExecutable() == null) {
        String path = DriverFinder.getPath(service, options);
        service.setExecutable(path);
      }
      return new EdgeDriverCommandExecutor(service, clientConfig);
    }
  
    @Beta
    public static RemoteWebDriverBuilder builder() {
      return RemoteWebDriver.builder().oneOf(new EdgeOptions());
    }
  
    private static class EdgeDriverCommandExecutor extends ChromiumDriverCommandExecutor {
      public EdgeDriverCommandExecutor(DriverService service, ClientConfig clientConfig) {
        super(service, getExtraCommands(), clientConfig);
      }
  
      private static Map<String, CommandInfo> getExtraCommands() {
        return ImmutableMap.<String, CommandInfo>builder()
            .putAll(new AddHasCasting().getAdditionalCommands())
            .putAll(new AddHasCdp().getAdditionalCommands())
            .build();
      }
    }
  }
  