public static void main()

in code_examples/java_examples/image/java-rotate-image.java [28:96]
48 lines of code
4 McCabe index (conditional complexity)

public static void main(String[] args) throws Exception {

  String photo = "input.png";

  //Get Rekognition client
 AmazonRekognition amazonRekognition = AmazonRekognitionClientBuilder.defaultClient();


  // Load image
  ByteBuffer imageBytes=null;
  BufferedImage image = null;

  try (InputStream inputStream = new FileInputStream(new File(photo))) {
     imageBytes = ByteBuffer.wrap(IOUtils.toByteArray(inputStream));

  }
  catch(Exception e)
  {
      System.out.println("Failed to load file " + photo);
      System.exit(1);
  }

  //Get image width and height
  InputStream imageBytesStream;
  imageBytesStream = new ByteArrayInputStream(imageBytes.array());

  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  image=ImageIO.read(imageBytesStream);
  ImageIO.write(image, "jpg", baos);

  int height = image.getHeight();
  int width = image.getWidth();

  System.out.println("Image Information:");
  System.out.println(photo);
  System.out.println("Image Height: " + Integer.toString(height));
  System.out.println("Image Width: " + Integer.toString(width));

  //Call detect faces and show face age and placement

  try{
    DetectFacesRequest request = new DetectFacesRequest()
           .withImage(new Image()
              .withBytes((imageBytes)))
           .withAttributes(Attribute.ALL);


      DetectFacesResult result = amazonRekognition.detectFaces(request);
      System.out.println("Orientation: " + result.getOrientationCorrection() + "\n");
      List <FaceDetail> faceDetails = result.getFaceDetails();

      for (FaceDetail face: faceDetails) {
        System.out.println("Face:");
          ShowBoundingBoxPositions(height,
                  width,
                  face.getBoundingBox(),
                  result.getOrientationCorrection());
          AgeRange ageRange = face.getAgeRange();
          System.out.println("The detected face is estimated to be between "
               + ageRange.getLow().toString() + " and " + ageRange.getHigh().toString()
               + " years old.");
            System.out.println();
       }

   } catch (AmazonRekognitionException e) {
      e.printStackTrace();
   }

}