Method isJPEG

CodenameOne/src/com/codename1/ui/Image.java:930–933

(InputStream inputStream)

    ///
    /// true if jpeg, false otherwise
    public static boolean isJPEG(InputStream inputStream) throws IOException {
        String type = Util.guessMimeType(inputStream);
        return "image/jpeg".equals(type) || "image/jpg".equals(type);
    }

    /// Very fast method to detect if the given inputStream is a PNG image
    /// (according to its guessed mime type)