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.testing.drivers;
  
  import java.io.File;
  import org.openqa.selenium.Capabilities;
  import org.openqa.selenium.build.Build;
  import org.openqa.selenium.build.InProject;
  import org.openqa.selenium.ie.InternetExplorerDriver;
  import org.openqa.selenium.ie.InternetExplorerDriverLogLevel;
  import org.openqa.selenium.ie.InternetExplorerDriverService;
  import org.openqa.selenium.ie.InternetExplorerOptions;
  
  class LocallyBuiltInternetExplorerDriver extends InternetExplorerDriver {
    public LocallyBuiltInternetExplorerDriver(Capabilities capabilities) {
      super(getService(), new InternetExplorerOptions().merge(capabilities));
    }
  
    private static InternetExplorerDriverService getService() {
      new Build().of("//cpp/iedriverserver:win32").go();
  
      InternetExplorerDriverService.Builder builder =
          new InternetExplorerDriverService.Builder()
              .usingDriverExecutable(
                  InProject.locate(
                          "build/cpp/Win32/Release/IEDriverServer.exe",
                          "cpp/prebuilt/Win32/Release/IEDriverServer.exe")
                      .toFile())
              .usingAnyFreePort()
              .withLogFile(new File("iedriver.log"))
              .withLogLevel(
                  InternetExplorerDriverLogLevel.valueOf(System.getProperty("log_level", "INFO")));
      return builder.build();
    }
  }
  