Ticket #5: TestRasdamanBug.java

package wcst.transaction.tools;

//~--- non-JDK imports --------------------------------------------------------

import org.odmg.*;

import rasj.*;

import wcst.transaction.executeTransaction.ShowImage;

//~--- JDK imports ------------------------------------------------------------

import java.awt.Graphics;

import java.awt.image.BufferedImage;

import java.io.IOException;

import java.net.URL;

import javax.imageio.ImageIO;

import javax.swing.JFrame;

/**
 * @author Andrei Aiordachioaie
 */
public class TestRasdamanBug
{
        private static RasdamanUtils myUtils;

        public static void main(String[] args)
                        throws ODMGException, RasResultIsNoIntervalException, IOException, Exception
        {
                try
                {
                        myUtils.commitAndClose();
                        myUtils = new RasdamanUtils("http://kahlua.eecs.jacobs-university.de" + ":7001",
                                                                                "RASBASE");

                        myUtils.init();

                        insertImageFromInternet(
                                "andreiFlickr1", "http://farm4.static.flickr.com/3347/3500129555_137c537e75_m.jpg");

                        updateImageFromInternet("andreiFlickr1", "http://localhost/peta/car.jpeg");
                }
                catch (Exception e)
                {
                        e.printStackTrace();
                        myUtils.abortAndClose();
                }
        }

        private static void insertImageFromInternet(String identifier, String href)
        {
                try
                {
                        // Step 1: fetch the image from Internet
                        URL url = new URL(href);
                        BufferedImage img0 = ImageIO.read(url);
                        BufferedImage img = convertImageToGray(img0);

                        // Display image for check
                        displayImage(identifier, img);

                        // Step 2: Insert image into rasdaman
                        myUtils.insertGrayImageAsArray(identifier, img);
                }
                catch (Exception e)
                {
                        System.err.println("Error: " + e.getMessage());
                        e.printStackTrace();
                }
        }

        public static BufferedImage convertImageToGray(BufferedImage img)
        {
                BufferedImage image = new BufferedImage(img.getWidth(), img.getHeight(),
                        BufferedImage.TYPE_BYTE_GRAY);
                Graphics g = image.getGraphics();

                g.drawImage(img, 0, 0, null);
                g.dispose();

                return image;
        }

        private static void updateImageFromInternet(String identifier, String href)
        {
                try
                {
                        // Step 1: fetch the image from Internet
                        URL url = new URL(href);
                        BufferedImage img0 = ImageIO.read(url);
                        BufferedImage img = myUtils.convertImageToGray(img0);

                        // Display image for check
                        displayImage(identifier, img);

                        // Step 2: Update image into rasdaman
                        myUtils.updateGrayImageWithArray(identifier, img, 0, 0, img.getWidth(),
                                                                                         img.getHeight());
                }
                catch (Exception e)
                {
                        System.err.println("Error: " + e.getMessage());
                        e.printStackTrace();
                }
        }

        public static void displayImage(String name, BufferedImage img)
        {
                JFrame f = new JFrame("Image " + name);

                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                f.getContentPane().add(new ShowImage(img));
                f.setSize(img.getWidth() + 50, img.getHeight() + 50);
                f.setVisible(true);
        }
}