import java.io.File;
import java.net.URL;
import javax.sound.midi.MidiFileFormat;
import javax.sound.midi.MidiSystem;
public class Main {
public static void main(String[] argv) throws Exception {
// From file
MidiFileFormat fformat = MidiSystem.getMidiFileFormat(new File("midifile"));
// From URL
// fformat = MidiSystem.getMidiFileFormat(new URL("http://hostname/midifile"));
// Get file format
switch (fformat.getType()) {
case 0:
// mid
break;
case 1:
// rmf
break;
}
}
}