Java Utililty Methods JPEG

int type = image.getType();
if (type != BufferedImage.TYPE_INT_RGB) {
 int width = image.getWidth();
 int height = image.getHeight();
 BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
 int[] pixels2 = ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
 int[] pixels = image.getRGB(0, 0, width, height, null, 0, width);
 for (int i = 0; i < pixels.length; i++) {
...

final BufferedImage original = ImageIO.read(new ByteArrayInputStream(jpegImage));
if (!bw) {
 return original;
final BufferedImage binarized = new BufferedImage(original.getWidth(), original.getHeight(),
 BufferedImage.TYPE_BYTE_BINARY);
int newPixel;
final int threshold = 230;
...

ByteArrayOutputStream bos = new ByteArrayOutputStream(128000);
javax.imageio.ImageIO.write(image, "jpg", bos);
byte[] jpegBits = bos.toByteArray();
bos.close();
return jpegBits;

BufferedImage bufferedImage;
try {
 bufferedImage = ImageIO.read(pngImage);
 BufferedImage newBufferedImage = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(),
 BufferedImage.TYPE_INT_RGB);
 newBufferedImage.createGraphics().drawImage(bufferedImage, 0, 0, Color.WHITE, null);
 ImageIO.write(bufferedImage, "jpg", jpegFile);
 return true;
...