How to find Mime Type of the file, depending on the extension of the filename?

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find Mime Type of the file, depending on the extension of the filename

static String getMimeType(String fName) {
        fName = fName.toLowerCase();
        if (fName.endsWith(".jpg") || fName.endsWith(".jpeg") || fName.endsWith(".jpe")) return "image/jpeg";
        else if (fName.endsWith(".gif")) return "image/gif";
        else if (fName.endsWith(".pdf")) return "application/pdf";
        else if (fName.endsWith(".htm") || fName.endsWith(".html") || fName.endsWith(".shtml")) return "text/html";
        else if (fName.endsWith(".avi")) return "video/x-msvideo";
        else if (fName.endsWith(".mov") || fName.endsWith(".qt")) return "video/quicktime";
        else if (fName.endsWith(".mpg") || fName.endsWith(".mpeg") || fName.endsWith(".mpe")) return "video/mpeg";
        else if (fName.endsWith(".zip")) return "application/zip";
        else if (fName.endsWith(".tiff") || fName.endsWith(".tif")) return "image/tiff";
        else if (fName.endsWith(".rtf")) return "application/rtf";
        else if (fName.endsWith(".mid") || fName.endsWith(".midi")) return "audio/x-midi";
        else if (fName.endsWith(".xl") || fName.endsWith(".xls") || fName.endsWith(".xlv")
                || fName.endsWith(".xla") || fName.endsWith(".xlb") || fName.endsWith(".xlt")
                || fName.endsWith(".xlm") || fName.endsWith(".xlk")) return "application/excel";
        else if (fName.endsWith(".doc") || fName.endsWith(".dot")) return "application/msword";
        else if (fName.endsWith(".png")) return "image/png";
        else if (fName.endsWith(".xml")) return "text/xml";
        else if (fName.endsWith(".svg")) return "image/svg+xml";
        else if (fName.endsWith(".mp3")) return "audio/mp3";
        else if (fName.endsWith(".ogg")) return "audio/ogg";
        else return "text/plain";
    }

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