MidiMessage.java

package org.herac.tuxguitar.io.midi.base;

public class MidiMessage {

  public static final int CONTROL_CHANGE = 0xB0;
  public static final int NOTE_OFF = 0x80;

  public static final int NOTE_ON = 0x90;
  public static final int PITCH_BEND = 0xE0;
  public static final int PROGRAM_CHANGE = 0xC0;
  public static final int SYSTEM_RESET = 0xFF;
  public static final int TEMPO_CHANGE = 0x51;
  public static final int TIME_SIGNATURE_CHANGE = 0x58;
  public static final int TYPE_META = 2;
  public static final int TYPE_SHORT = 1;

  public static MidiMessage metaMessage(int command, byte[] data) {
    MidiMessage message = new MidiMessage(TYPE_META, command);
    message.setData(data);
    return message;
  }

  public static MidiMessage shortMessage(int command) {
    MidiMessage message = new MidiMessage(TYPE_SHORT, command);
    message.setData(new byte[] { (byte) command });
    return message;
  }

  public static MidiMessage shortMessage(int command, int channel, int data) {
    MidiMessage message = new MidiMessage(TYPE_SHORT, command);
    message.setData(new byte[] { (byte) ((command & 0xF0) | (channel & 0x0F)),
        (byte) data });
    return message;
  }

  public static MidiMessage shortMessage(int command, int channel, int data1,
      int data2) {
    MidiMessage message = new MidiMessage(TYPE_SHORT, command);
    message.setData(new byte[] { (byte) ((command & 0xF0) | (channel & 0x0F)),
        (byte) data1, (byte) data2 });
    return message;
  }

  private int command;

  private byte[] data;

  private int message;

  public MidiMessage(int message, int command) {
    this.message = message;
    this.command = command;
  }

  public int getCommand() {
    return this.command;
  }

  public byte[] getData() {
    return this.data;
  }

  public int getType() {
    return this.message;
  }

  public void setData(byte[] data) {
    this.data = data;
  }
}