Reading and Writing Images while maintaining compression settings etc

read and write image

import org.apache.commons.imaging.Imaging;

import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageInputStream;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;


public class ReadAndWrite {

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

        final String inputPath = "/home/vinayb/Downloads/in.tif";
        final String outputPath = "/home/vinayb/Downloads/out.tif";

        new File(outputPath).delete(); //cleanup

        final File inputFile = new File(inputPath);
        final File outputFile = new File(outputPath);

        //setup reader
        final ImageInputStream imageInputStream = ImageIO.createImageInputStream(inputFile);
        final ImageReader imageReader = ImageIO.getImageReaders(imageInputStream).next();
        imageReader.setInput(imageInputStream);

        //read image
        final BufferedImage originalBufferedImage = imageReader.read(0);

        //get a handle to metadata etc
        final IIOImage iioImage = imageReader.readAll(0, null);

        //perform some mods to the image
        BufferedImage modifiedBufferedImage = addRectangle(originalBufferedImage);

        //setup writer based on reader
        final ImageWriter imageWriter = ImageIO.getImageWriter(imageReader);
        imageWriter.setOutput(ImageIO.createImageOutputStream(outputFile));

        //write
        imageWriter.write(null, new IIOImage(modifiedBufferedImage, null, iioImage.getMetadata()), imageWriter.getDefaultWriteParam());
//        imageWriter.write(null,iioImage, imageWriter.getDefaultWriteParam());

        //print info about the input and output images
        System.out.println("#### input compression: " + Imaging.getImageInfo(inputFile).getCompressionAlgorithm());
        System.out.println("#### in format: " + Imaging.getImageInfo(inputFile).getFormat());

        System.out.println("\nThe output settings should match the input settings\n");

        System.out.println("#### output compression: " + Imaging.getImageInfo(outputFile).getCompressionAlgorithm());
        System.out.println("#### output format: " + Imaging.getImageInfo(outputFile).getFormat());
    }


    private static BufferedImage addRectangle(BufferedImage originalImage) {
        final int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
        final int originalImageWidth = originalImage.getWidth();
        final int originalImageHeight = originalImage.getHeight();

        //prepare graphs for the output
        final BufferedImage finalImage = new BufferedImage(originalImageWidth, originalImageHeight, type);
        final Graphics2D g = finalImage.createGraphics();

        //draw image
        g.drawImage(originalImage, 0, 0, originalImageWidth, originalImageHeight, null);
        g.setColor(Color.BLACK);
        g.fillRect(0, 0, 500, 500);

        g.dispose();

        return finalImage;
    }
}