Added webcam support + QR code generator.

Some cleanup

data/io/SQLConnector.java

@@ -92,14 +92,14 @@ public class SQLConnector
     	return hsc;
     }
     
-    public void addHighscore(Song s, SongInstance si, String name, int currentScore) {
+    public int addHighscore(Song s, SongInstance si, String name, int currentScore) {
     	if(name.length() <= 5 && currentScore <= Integer.MAX_VALUE)
 		{
 			String query = "INSERT INTO highscore (username, score, date, songinstance) VALUES ('" + name.trim() + "', " + currentScore + ", CURDATE(), (SELECT id FROM songinstance WHERE difficulty='" + si.getDifficulty() + "' AND song=(SELECT id FROM song WHERE folder='" + s.getFolder() + "')))";
 			//System.out.println(query);
-			executeInsertQuery(query);
+			return executeInsertQuery(query);
 		}
-		
+    	return -1;		
 	}
     
     public void addPlaydata(Song s, SongInstance si, long time, int enemies_missed, int enemies_hit, int buttons_pressed, int  joystick_moved) {
@@ -166,12 +166,19 @@ public class SQLConnector
     	}
     }
     
-    private void executeInsertQuery(String query)
+    private int executeInsertQuery(String query)
     {
         try{
             Statement s = myConn.createStatement();
-            s.execute(query);
+            s.executeUpdate(query, Statement.RETURN_GENERATED_KEYS);
+            ResultSet rs = s.getGeneratedKeys();
+            int id = 0;
+            if(rs.next())
+            {
+            	id = rs.getInt(1);
+            }
             s.close();
+            return id;
         }
         catch( SQLException ex)
         {
@@ -183,6 +190,7 @@ public class SQLConnector
         {
            System.out.println("getMeasurement: " + ex.getMessage());
         }
+        return -1;
     }
 
     //Execute a custom query

data/io/WebcamUploader.java

@@ -0,0 +1,88 @@
+package data.io;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Hashtable;
+
+import javax.imageio.ImageIO;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+public class WebcamUploader {
+	public static void takePictureAndUpload(int id) throws IOException{
+		Runtime.getRuntime().exec("streamer -c /dev/video0 -b 16 -o" + System.getProperty( "user.home" ) + "/ColorStrike/picture.jpeg");
+		
+		HttpURLConnection httpUrlConnection = (HttpURLConnection)new URL("http://178.62.254.153/colorstrike/images/photoupload.php?filename="+id+".jpeg").openConnection();
+        httpUrlConnection.setDoOutput(true);
+        httpUrlConnection.setRequestMethod("POST");
+        OutputStream os = httpUrlConnection.getOutputStream();
+        try {
+			Thread.sleep(2000);
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
+        FileInputStream fis = new FileInputStream(System.getProperty( "user.home" ) +"/ColorStrike/picture.jpeg");
+
+        byte[] buffer = new byte[2048]; 
+        int bytesRead;
+        while ((bytesRead = fis.read(buffer)) != -1)
+        {
+            os.write(buffer, 0, bytesRead);
+        }
+
+        os.close();
+        BufferedReader in = new BufferedReader(
+                new InputStreamReader(
+                httpUrlConnection.getInputStream()));
+
+        String s = null;
+        while ((s = in.readLine()) != null) {
+            System.out.println(s);
+        }
+        in.close();
+        fis.close();
+	}
+	
+    public static BufferedImage createQRImage(String qrCodeText, int size) throws WriterException, IOException {
+        // Create the ByteMatrix for the QR-Code that encodes the given String
+        Hashtable hintMap = new Hashtable();
+        hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
+        QRCodeWriter qrCodeWriter = new QRCodeWriter();
+        BitMatrix byteMatrix = qrCodeWriter.encode(qrCodeText,
+                BarcodeFormat.QR_CODE, size, size, hintMap);
+        // Make the BufferedImage that are to hold the QRCode
+        int matrixWidth = byteMatrix.getWidth();
+        BufferedImage image = new BufferedImage(matrixWidth, matrixWidth,
+                BufferedImage.TYPE_INT_RGB);
+        image.createGraphics();
+ 
+        Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setColor(Color.WHITE);
+        graphics.fillRect(0, 0, matrixWidth, matrixWidth);
+        // Paint and save the image using the ByteMatrix
+        graphics.setColor(Color.BLACK);
+ 
+        for (int i = 0; i < matrixWidth; i++) {
+            for (int j = 0; j < matrixWidth; j++) {
+                if (byteMatrix.get(i, j)) {
+                    graphics.fillRect(i, j, 1, 1);
+                }
+            }
+        }
+        return image;
+    }
+}