Convert jpeg image RGB colorspace to CMYK colospace

RGBtoCMYK.java

import java.awt.color.ColorSpace;
import java.awt.color.ICC_ColorSpace;
import java.awt.color.ICC_Profile;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.io.File;
import javax.imageio.ImageIO;

/**
 *
 * @author Chikien
 */
public class TestImage {

    public static void main(String[] args) throws Exception {
        BufferedImage rgbImage = ImageIO.read(new File(
                "input/1.jpg"));
        BufferedImage cmykImage = new BufferedImage(rgbImage.getWidth(), rgbImage.getHeight(), BufferedImage.TYPE_3BYTE_BGR);

        ColorSpace cpace = new ICC_ColorSpace(ICC_Profile.getInstance("input/HP5000GlossExp05.icc"));

        ColorConvertOp op = new ColorConvertOp(cpace, null);
        cmykImage = op.filter(rgbImage, cmykImage);

        ImageIO.write(cmykImage, "jpg", new File("input/1_converted.jpg"));

    }
}