Where's the iPhone MIME type database?

Question

I have a program for the iPhone that is supposed to be doing intelligent things (picking out appropriate icons for file types) given a list of filenames. I\'m looking for t

Answer 1

The following function will return the mime-type for a given file extension in Swift 2

import MobileCoreServices

func mimeTypeFromFileExtension(fileExtension: String) -> String? {
    guard let uti: CFString = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, fileExtension as NSString, nil)?.takeRetainedValue() else {
        return nil
    }

    guard let mimeType: CFString = UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType)?.takeRetainedValue() else {
        return nil
    }

    return mimeType as String
}