private JFrame container;
private JButton buttonYes;
private JButton buttonNo;
private JButton buttonCancel;

public enum  buttonState {BUTTON_YES, BUTTON_NO, BUTTON_CANCEL};
public static buttonState actualState = null;

public BOptionPane1(){

}

public buttonState ShowBOptionPane1(){

    this.container = new JFrame("Dialogo");
    this.container.setSize(300, 100);
    this.container.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    this.container.setVisible(true);

    FlowLayout flowLayout = new FlowLayout();
    this.container.setLayout(flowLayout);

    this.buttonYes = new JButton("Yes");
    this.buttonNo = new JButton("No");
    this.buttonCancel = new JButton("Cancel");

    container.add(buttonYes);
    container.add(buttonNo);
    container.add(buttonCancel);

    buttonYes.addActionListener(this);
    buttonNo.addActionListener(this);
    buttonCancel.addActionListener(this);

    //Here, my strange custom component will have been created by ShowBOptionPane1
    //Now I need wait until user click a button, after that, test() will be called.

    return test();
}

@Override
public void actionPerformed(ActionEvent e) {

    switch (e.getActionCommand()){
        case "Yes":
            this.actualState = buttonState.BUTTON_YES;
            break;
        case "No":
            this.actualState = buttonState.BUTTON_NO;
            break;
        default:
            this.actualState = buttonState.BUTTON_CANCEL;
            break;
    }
    this.container.setVisible(false);
}

public buttonState test(){
    return this.actualState;
}

public ViewExample(){

    JFrame backContainer = new JFrame("Titulo ViewExample");
    backContainer.setSize(500, 300);
    backContainer.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    backContainer.setVisible(true);

    FlowLayout flowLayout = new FlowLayout();
    backContainer.setLayout(flowLayout);

    JButton buttonPlay = new JButton("Play");
    JButton buttonStop = new JButton("Stop");
    JButton buttonPause = new JButton("Pause");

    backContainer.add(buttonPlay);
    backContainer.add(buttonStop);
    backContainer.add(buttonPause);

    buttonStop.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            BOptionPane1 bOptionPane1 = new BOptionPane1();
            BOptionPane1.buttonState result = bOptionPane1.ShowBOptionPane1();
            System.out.println("Este es el resultado: " + result);
        }
    });
}

public static void main(String[] args) {
    ViewExample cursoVideotutoriales = new ViewExample();
}