package net.kreatious.pianoleopard.midi;
   
   import java.util.Collections;
   import java.util.List;
   
   import javax.sound.midi.MidiDevice;
   import javax.sound.midi.MidiMessage;
   import javax.sound.midi.Receiver;
   import javax.sound.midi.Transmitter;
  
  /**
   * Provides a do-nothing implementation of a MIDI device that is unconnected to
   * any actual devices.
   *
   * @author Jay-R Studer
   */
  class InitialMidiDevice implements MidiDevice {
      @Override
      public Info getDeviceInfo() {
          return new Info("Piano Leopard Default Device", "Kreatious LLC",
                  "The initial MIDI device used by Piano Leopard, does nothing", "1.0") {
          };
      }
  
      @Override
      public void open() {
      }
  
      @Override
      public void close() {
      }
  
      @Override
      public boolean isOpen() {
          return false;
      }
  
      @Override
      public long getMicrosecondPosition() {
          return 0;
      }
  
      @Override
      public int getMaxReceivers() {
          return -1;
      }
  
      @Override
      public int getMaxTransmitters() {
          return -1;
      }
  
      @Override
      public Receiver getReceiver() {
          return new Receiver() {
              @Override
              public void send(MidiMessage message, long timeStamp) {
              }
  
              @Override
              public void close() {
              }
          };
      }
  
      @Override
      public List<Receiver> getReceivers() {
          return Collections.emptyList();
      }
  
      @Override
      public Transmitter getTransmitter() {
          return new Transmitter() {
              @Override
              public void setReceiver(Receiver receiver) {
              }
  
              @Override
              public Receiver getReceiver() {
                  return null;
              }
  
              @Override
              public void close() {
              }
          };
      }
  
      @Override
      public List<Transmitter> getTransmitters() {
          return Collections.emptyList();
      }
  }