Determining the File Format of a Midi Audio File

 try { 
   // From file
   MidiFileFormat fformat =
     MidiSystem.getMidiFileFormat(new File(
   "midifile"));
     
   // From URL
   fformat = MidiSystem.getMidiFileFormat(new URL(
   "http://hostname/midifile"));
     
   switch (fformat.getType()) {
     case 0:
     // mid
     break;
     case 1:
     // rmf
     break;
   }
     
 } 
 catch (MalformedURLException e) {
 } 
 catch (IOException e) {
 } 
 catch (InvalidMidiDataException e) {
   // File format is not supported.
 }