Image Resize in Java

ImageManipulationService.java

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import javax.imageio.ImageIO;


public class ImageManipulationService {
    public byte[] generateDimensionedImage(int targetWidth, int targetHeight, BufferedImage imageData) throws InvalidRepresentationException, ConflictingResourceException {
        BufferedImage resizedImage = null;
        try {
            resizedImage = new BufferedImage(targetWidth, targetHeight, imageData.getType());
        } catch(IllegalArgumentException except) {
            throw new ConflictingResourceException("File Constraints are not valid.  Dimensions must be valid: "+ except.getLocalizedMessage());
        }
      	Graphics2D g = resizedImage.createGraphics();
      	g.drawImage(imageData, 0, 0, targetWidth, targetHeight, null);
      	g.dispose();
        
        try (ByteArrayOutputStream baos = new ByteArrayOutputStream())
        {
            ImageIO.write( resizedImage, "png", baos );
            baos.flush();
            byte[] imageInByte = baos.toByteArray();
            return imageInByte;
        } catch (IOException except) {
            except.printStackTrace();
            throw new InvalidRepresentationException("The image to resize was not valid, and thus could not be resized: " + except.getLocalizedMessage());
        } 
    } 
}