- * @return the time in milliseconds
- */
- static public long toTime(String displayTime) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- try {
- return sdf.parse(displayTime).getTime();
- } catch (ParseException e) {
- return -1;
- }
- }
-
- /**
- * Convert the given {@link Image} object into a Base64 representation of
- * the same {@link Image}. object.
- *
- * @param image
- * the {@link Image} object to convert
- *
- * @return the Base64 representation
- *
- * @throws IOException
- * in case of IO error
- */
- static public String fromImage(BufferedImage image) throws IOException {
- String imageString = null;
- ByteArrayOutputStream out = new ByteArrayOutputStream();
-
- ImageIO.write(image, "jpeg", out);
- byte[] imageBytes = out.toByteArray();
-
- imageString = new String(Base64.encodeBytes(imageBytes));
-
- out.close();
-
- return imageString;
- }
-
- /**
- * Convert the given image into a Base64 representation of the same
- * {@link File}.
- *
- * @param in
- * the image to convert
- *
- * @return the Base64 representation
- *
- * @throws IOException
- * in case of IO error
- */
- static public String fromStream(InputStream in) throws IOException {
- String fileString = null;
- ByteArrayOutputStream out = new ByteArrayOutputStream();
-
- byte[] buf = new byte[8192];
-
- int c = 0;
- while ((c = in.read(buf, 0, buf.length)) > 0) {
- out.write(buf, 0, c);
- }
- out.flush();
- in.close();
-
- fileString = new String(Base64.encodeBytes(out.toByteArray()));
- out.close();
-
- return fileString;
- }
-
- /**
- * Convert the given Base64 representation of an image into an {@link Image}
- * object.
- *
- * @param b64data
- * the {@link Image} in Base64 format
+ * @return the number of milliseconds since the standard base time known as
+ * "the epoch", namely January 1, 1970, 00:00:00 GMT, or -1 in case
+ * of error