refactor barcode generation + add code39 function

code/moya-utils/src/main/java/fi/codecrew/moya/utilities/BarcodeUtils.java

@@ -27,46 +27,39 @@ import java.io.InputStream;
 import org.krysalis.barcode4j.BarcodeDimension;
 import org.krysalis.barcode4j.BarcodeGenerator;
 import org.krysalis.barcode4j.impl.code128.Code128Bean;
+import org.krysalis.barcode4j.impl.code39.Code39Bean;
 import org.krysalis.barcode4j.impl.upcean.EAN13Bean;
 import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
 
 public class BarcodeUtils {
 
-	public static InputStream getBarcode(String message) throws IOException {
-		// BarcodeGenerator bean = new DataMatrixBean();
-		BarcodeGenerator bean = new Code128Bean();
-		ByteArrayOutputStream out = new ByteArrayOutputStream();
-		// System.out.println("created: " + (new Date().getTime() - start));
+    public static InputStream getBarcode(BarcodeGenerator generator, String message) throws IOException {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+
+        BitmapCanvasProvider canvas = new BitmapCanvasProvider(
+                out, "image/png", 150, BufferedImage.TYPE_BYTE_BINARY, false, 0);
 
-		BitmapCanvasProvider canvas = new BitmapCanvasProvider(
-				out, "image/png", 150, BufferedImage.TYPE_BYTE_BINARY, false, 0);
+        canvas.establishDimensions(new BarcodeDimension(200, 15));
 
-		canvas.establishDimensions(new BarcodeDimension(200, 15));
+        generator.generateBarcode(canvas, message);
+        canvas.finish();
 
-		bean.generateBarcode(canvas, message);
-		canvas.finish();
+        ByteArrayInputStream istream = new ByteArrayInputStream(out.toByteArray());
+        return istream;
+    }
 
-		ByteArrayInputStream istream = new ByteArrayInputStream(out.toByteArray());
-		return istream;
+	public static InputStream getBarcode(String message) throws IOException {
+		return BarcodeUtils.getBarcode(new Code128Bean(), message);
 	}
 
 	public static InputStream getBarcodeEAN(String message) throws IOException {
-		// BarcodeGenerator bean = new DataMatrixBean();
-		BarcodeGenerator bean = new EAN13Bean();
-		ByteArrayOutputStream out = new ByteArrayOutputStream();
-		// System.out.println("created: " + (new Date().getTime() - start));
-
-		BitmapCanvasProvider canvas = new BitmapCanvasProvider(
-				out, "image/png", 150, BufferedImage.TYPE_BYTE_BINARY, false, 0);
-
-		canvas.establishDimensions(new BarcodeDimension(200, 15));
+        return BarcodeUtils.getBarcode(new EAN13Bean(), message);
+	}
 
-		bean.generateBarcode(canvas, message);
-		canvas.finish();
+    public static InputStream getBarcodeCode39(String message) throws IOException {
+        return BarcodeUtils.getBarcode(new Code39Bean(), message);
+    }
 
-		ByteArrayInputStream istream = new ByteArrayInputStream(out.toByteArray());
-		return istream;
-	}
 	// public void barcode4j() throws FileNotFoundException, Exception {
 	// long start = new Date().getTime();
 	//