code: public static File writeDataToTempFile(final byte[] data, final String suffix) {
  		try {
  			File file = File.createTempFile("jk-", suffix);
  			return writeDataToFile(data, file);
  		} catch (IOException e) {
  			JKExceptionUtil.handle(e);
  			return null;
  		}
  	}
docs: Write data to temp file.
  
  @param data   the data
  @param suffix the suffix
  @return the file