private void bindEventHandler(
Component componentRoot, Object controller, Method method, UiHandler eventListener) {
String componentId = eventListener.value();
Component component = Clara.findComponentById(componentRoot, componentId);
if (component == null) {
throw new BinderException("No component found for id: " + componentId + ".");
}
Class<?> eventType =
(method.getParameterTypes().length > 0 ? method.getParameterTypes()[0] : null);
if (eventType == null) {
throw new BinderException("Couldn't figure out event type for method " + method + ".");
}
Method addListenerMethod = getAddListenerMethod(component.getClass(), eventType);
if (addListenerMethod != null) {
try {
Object listener =
createListenerProxy(
addListenerMethod.getParameterTypes()[0], eventType, method, controller);
addListenerMethod.invoke(component, listener);
// TODO exception handling
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
}
