Class AbstractAndroidPort

android/src/AbstractAndroidPort.java:33–123

Abstract base class to aid the real implementations (Bluetooth, IOIO).

 * IOIO).
 */
abstract class AbstractAndroidPort implements AndroidPort {
  private final String name;
  private PortListener portListener;
  private InputListener inputListener;
  private InputThread input;
  private OutputThread output;

  protected AbstractAndroidPort(String _name) {
    name = _name;
  }

  @Override public String toString() {
    return name;
  }

  private synchronized InputThread stealInput() {
    InputThread i = input;
    input = null;
    return i;
  }

  private synchronized OutputThread stealOutput() {
    OutputThread o = output;
    output = null;
    return o;
  }

  protected synchronized void set(InputStream _input, OutputStream _output) {
    input = new InputThread(name, inputListener, _input);
    output = new OutputThread(name, _output);
    output.setTimeout(5000);
    stateChanged();
  }

  protected void setWriteTimeout(int timeout_ms) {
    output.setTimeout(timeout_ms);
  }

  @Override public void setListener(PortListener _listener) {
    portListener = _listener;
  }

  @Override public void setInputListener(InputListener _listener) {
    inputListener = _listener;
    if (input != null)
      input.setListener(_listener);
  }

  @Override public void close() {
    InputThread i = stealInput();
    if (i != null)
      i.close();

    OutputThread o = stealOutput();
    if (o != null)
      o.close();

    stateChanged();