Convert mimetype to file extension
file-extension, mime-types, nsurlconnection, xcode
Solution
include `<MobileCoreServices/MobileCoreServices.h>` or `<CoreServices/CoreServices.h>` then just following code:
CFStringRef mimeType = (CFStringRef)@"audio/x-aiff";
CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassMIMEType, mimeType, NULL);
CFStringRef extension = UTTypeCopyPreferredTagWithClass(uti, kUTTagClassFilenameExtension);
Problem
how to convert mimetype to file extension in xcode for example i have this code ``` File Extension MIME Type aifc audio/x-aiff avi video/x-msvideo gz application/x-gzip jpg image/jpeg ``` Xcode ``` - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { NSString *mime = [response MIMEType]; NSString *extension = @"" // how to covert it ?! } ```