how to do action input map java

//how to do action input map java

InputMap imap = gameView.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
ActionMap amap = gameView.getActionMap();
{
    KeyStroke ks;
    EventEnum e;
    String en;
    Command c;

    ks = KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0);
    e = EventEnum.gameClockTick;
    en = e.getOutputName();
    imap.put(ks, en);
    c = (Command)EventEnum.getActionFromEvent(e);
    amap.put(en, c);
}

InputMap imap = gameView.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
ActionMap amap = gameView.getActionMap();
{
    KeyStroke ks; //keystroke
    String n;     //name
    Command c;    //command

    ks = KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0);
    n = "GameClockTick";
    imap.put(ks, n); //Places the keystroke as the key, and the name as the value.
    c = getCommandFromName(n); //returns the singleton command that is named variable n.
    amap.put(n, c);  //Places the name as the key, and the command as the value.
}