private static Color getFormatColor(String format) {
    if ("PNG".equals(format)) {
      return PNG_COLOR;
    }
    else if ("GIF".equals(format)) {
      return GIF_COLOR;
    }
    else if ("JPG".equals(format) || "JPEG".equals(format)) {
      return JPG_COLOR;
    }
    else if ("BMP".equals(format) || "WBMP".equals(format)) {
      return BMP_COLOR;
    }
    return Color.BLACK;
  }
private static Color getFormatColor(String format)