Method guessMimeType

CodenameOne/src/com/codename1/io/Util.java:2698–2711

(String sourceFile)

    ///
    /// - `IOException`
    public static String guessMimeType(String sourceFile) throws IOException {
        InputStream inputStream = null; //NOPMD CloseResource
        try {
            if (sourceFile.indexOf('/') > -1) {
                inputStream = FileSystemStorage.getInstance().openInputStream(sourceFile);
            } else {
                // Storage is a flat file system
                inputStream = Storage.getInstance().createInputStream(sourceFile);
            }
            return guessMimeType(inputStream);
        } finally {
            Util.cleanup(inputStream);
        }
    }

    /// Tries to determine the mime type of an InputStream based on its first
    /// bytes.Direct inspection of the bytes to determine the content type is