get all midi devices in java
import javax.sound.midi.*;
import java.util.ArrayList;
import java.util.List;
import java.io.*;
public class MidiHandler
{
public MidiHandler()
{
MidiDevice device;
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++) {
try {
device = MidiSystem.getMidiDevice(infos[i]);
//does the device have any transmitters?
//if it does, add it to the device list
System.out.println(infos[i]);
//get all transmitters
List<Transmitter> transmitters = device.getTransmitters();
//and for each transmitter
for(int j = 0; j<transmitters.size();j++) {
//create a new receiver
transmitters.get(j).setReceiver(
//using my own MidiInputReceiver
new MidiInputReceiver(device.getDeviceInfo().toString())
);
}
Transmitter trans = device.getTransmitter();
trans.setReceiver(new MidiInputReceiver(device.getDeviceInfo().toString()));
//open each device
device.open();
//if code gets this far without throwing an exception
//print a success message
System.out.println(device.getDeviceInfo()+" Was Opened");
} catch (MidiUnavailableException e) {}
}
}
//tried to write my own class. I thought the send method handles an MidiEvents sent to it
public class MidiInputReceiver implements Receiver {
public String name;
public MidiInputReceiver(String name) {
this.name = name;
}
public void send(MidiMessage msg, long timeStamp) {
System.out.println("midi received");
}
public void close() {}
}
}