example.java

String originalHandle = driver.getWindowHandle();
driver.findElement(ElementsRelatorios.FORM_PDF).click();
Util.waitLoadingProgress();
for (String winHandle : driver.getWindowHandles()) {
  if (!winHandle.equals(originalHandle)) {
    driver.switchTo().window(winHandle);
  }
}
System.out.println(driver.getCurrentUrl());
driver.close();
driver.switchTo().window(originalHandle);