import net.java.games.input.Component.Identifier.Button; //导入依赖的package包/类
private void loadIdentifiers(int controllerIdx, Controller c){
    Component[] ces = c.getComponents();
    int numButtons = 0;
    int numAxes = 0;
    xAxis = -1;
    yAxis = -1;
    for (Component comp : ces){
        Identifier id = comp.getIdentifier();
        if (id instanceof Button){
            buttonIdsToIndices[controllerIdx].put((Button)id, numButtons);
            numButtons ++;
        }else if (id instanceof Axis){
            Axis axis = (Axis) id;
            if (axis == Axis.X){
                xAxis = numAxes;
            }else if (axis == Axis.Y){
                yAxis = numAxes;
            }

            axisIdsToIndices[controllerIdx].put((Axis)id, numAxes);
            numAxes ++;
        }
    }
}
 

import net.java.games.input.Component.Identifier.Button; //导入依赖的package包/类
@SuppressWarnings("InfiniteLoopStatement")
@Override
public void processPollData() {
    Event event = new Event();
    while (controller.getEventQueue().getNextEvent(event)) {
        Identifier id = event.getComponent().getIdentifier();
        if (id.equals(Button._7)) {
            startButtonHandler.handle(event.getComponent());
        } else if (id instanceof Button && container.handlersEnabled()) {
            ControllerEventHandler handler = buttonsHandlerMap.get(id.getName());
            if (handler != null) {
                handler.handle(event.getComponent());
            }
        }
    }
}
 

import net.java.games.input.Component.Identifier.Button; //导入依赖的package包/类
private void listenToFirstButtonPressed(ControllerListenerContainer container) {
    Controller controller = container.getController();
    boolean buttonPressed = false;
    while (!buttonPressed) {
        controller.poll();
        Event event = new Event();
        while (controller.getEventQueue().getNextEvent(event)) {
            Identifier id = event.getComponent().getIdentifier();
            if (id instanceof Button) {
                propertyManager.setProperty(propName, id.getName());
                propertyManager.storeProperties();
                buttonPressed = true;
            }
        }
    }
}
 

import net.java.games.input.Component.Identifier.Button; //导入依赖的package包/类
@Override
public void propertyChange(PropertyChangeEvent evt) {
    LISTENER_CONTAINERS.forEach(container -> {
        ControllerEventHandler handler =
                container.getButtonsListener().getHandlerForComponent(new Button(evt.getOldValue().toString()));
        container.getButtonsListener().changeComponentToHandle(handler, new Button(evt.getNewValue().toString()));
    });
}