ColorsAreBeautiful

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Scanner;
import javax.imageio.ImageIO;

/**
 * Tuenti Programming Contest
 * Challenge 14: Colors are beautiful *
 * @author alefhidalgo [at] gmail [dot] com
 */
public class ColorsAreBeautiful {
    private BufferedImage image;
    public static final String IMAGE_RESOURCE = "trabaja.bmp";
    /**
     * Constructor
     * Load the image buffer
     */
    public ColorsAreBeautiful() {
        try {
            image = ImageIO.read(this.getClass().getResource(ColorsAreBeautiful.IMAGE_RESOURCE));
        } catch (IOException e) {
            System.err.println(e.getMessage());
        }
    }

    /**
     * Returns the sum of the components R,G or B of the line XYZ
     * @param code RXYZ | GXYZ | BXYZ
     * @return
     */
    public int getSum(String code) {
        int w = image.getWidth();
        char component = code.charAt(0);
        int line = Integer.parseInt(code.substring(1));

        int sum = 1;
        for (int j = 0; j < w; j++) {
            int pixel = image.getRGB(j, line);
            switch (component) {
            case 'R':
                sum += (pixel >> 16) & 0xff;
                break;
            case 'G':
                sum += (pixel >> 8) & 0xff;
                break;
            case 'B':
                sum += (pixel) & 0xff;
                break;
            }
        }
        return sum;

    }


    public static void main(String args[]) {
        ColorsAreBeautiful colorsAreBeautiful = new ColorsAreBeautiful();
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextLine()) {
            System.out.println(colorsAreBeautiful.getSum(scanner.nextLine().trim()));
        }
    }

}