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.support.ui;
  
  import java.time.Clock;
  import java.time.Duration;
  import org.openqa.selenium.NotFoundException;
  import org.openqa.selenium.TimeoutException;
  import org.openqa.selenium.WebDriver;
  import org.openqa.selenium.WebDriverException;
  import org.openqa.selenium.WrapsDriver;
  import org.openqa.selenium.remote.RemoteWebDriver;
  
  /** A specialization of {@link FluentWait} that uses WebDriver instances. */
  public class WebDriverWait extends FluentWait<WebDriver> {
    private final WebDriver driver;
  
    /**
     * Wait will ignore instances of NotFoundException that are encountered (thrown) by default in the
     * 'until' condition, and immediately propagate all others. You can add more to the ignore list by
     * calling ignoring(exceptions to add).
     *
     * @param driver The WebDriver instance to pass to the expected conditions
     * @param timeout The timeout when an expectation is called
     * @see WebDriverWait#ignoring(java.lang.Class)
     */
    public WebDriverWait(WebDriver driver, Duration timeout) {
      this(
          driver,
          timeout,
          Duration.ofMillis(DEFAULT_SLEEP_TIMEOUT),
          Clock.systemDefaultZone(),
          Sleeper.SYSTEM_SLEEPER);
    }
  
    /**
     * Wait will ignore instances of NotFoundException that are encountered (thrown) by default in the
     * 'until' condition, and immediately propagate all others. You can add more to the ignore list by
     * calling ignoring(exceptions to add).
     *
     * @param driver The WebDriver instance to pass to the expected conditions
     * @param timeout The timeout in seconds when an expectation is called
     * @param sleep The duration in milliseconds to sleep between polls.
     * @see WebDriverWait#ignoring(java.lang.Class)
     */
    public WebDriverWait(WebDriver driver, Duration timeout, Duration sleep) {
      this(driver, timeout, sleep, Clock.systemDefaultZone(), Sleeper.SYSTEM_SLEEPER);
    }
  
    /**
     * @param driver the WebDriver instance to pass to the expected conditions
     * @param clock used when measuring the timeout
     * @param sleeper used to make the current thread go to sleep
     * @param timeout the timeout when an expectation is called
     * @param sleep the timeout used whilst sleeping
     */
    public WebDriverWait(
        WebDriver driver, Duration timeout, Duration sleep, Clock clock, Sleeper sleeper) {
      super(driver, clock, sleeper);
      withTimeout(timeout);
      pollingEvery(sleep);
      ignoring(NotFoundException.class);
      this.driver = driver;
    }
  
    @Override
    protected RuntimeException timeoutException(String message, Throwable lastException) {
      WebDriver exceptionDriver = driver;
      TimeoutException ex = new TimeoutException(message, lastException);
      ex.addInfo(WebDriverException.DRIVER_INFO, exceptionDriver.getClass().getName());
      while (exceptionDriver instanceof WrapsDriver) {
        exceptionDriver = ((WrapsDriver) exceptionDriver).getWrappedDriver();
      }
      if (exceptionDriver instanceof RemoteWebDriver) {
        RemoteWebDriver remote = (RemoteWebDriver) exceptionDriver;
        if (remote.getSessionId() != null) {
          ex.addInfo(WebDriverException.SESSION_ID, remote.getSessionId().toString());
        }
        if (remote.getCapabilities() != null) {
          ex.addInfo("Capabilities", remote.getCapabilities().toString());
        }
      }
      throw ex;
    }
  }
  