Selenium take screenshot of WebElement

Selenium take screenshot of WebElement

      public void takeScreenShotOfWebElement(WebDriver driver, By by) throws IOException, InterruptedException  
      {  
           File screenShot = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);  
           BufferedImage imageIO = ImageIO.read(screenShot);  
           WebElement timelineLeftNavAvatar = driver.findElement(by);  
           Point point = timelineLeftNavAvatar.getLocation();  
           int height=timelineLeftNavAvatar.getSize().height;  
           int width=timelineLeftNavAvatar.getSize().width;  
           BufferedImage subImage = imageIO.getSubimage(point.getX(), point.getY(), height, width);  
           ImageIO.write(subImage, "png", screenShot);  
           Thread.sleep(10000);  
      }