code: private void processAnnotations(final Field property) throws CoreException {
          // For each field annotation we will attach an event handler
          for (final Annotation a : property.getAnnotations()) {
  
              if (EventTarget.class.isAssignableFrom(property.getType())) {
  
                  // Manage only JRebirth OnXxxxx annotations
                  if (a.annotationType().getName().startsWith(BASE_ANNOTATION_NAME)) {
  
                      try {
                          // Retrieve the property value
                          final EventTarget target = (EventTarget) property.get(this);
  
                          // Process the annotation if the node is not null
                          if (target != null && controller() instanceof AbstractController) {
                              addHandler(target, a);
                          }
  
                      } catch (IllegalArgumentException | IllegalAccessException e) {
                          LOGGER.log(UIMessages.NODE_ANNO_PROCESSING_FAILURE, e, this.getClass().getName(), property.getName());
                      }
                  }
  
                  // Manage only JRebirth OnFinished annotations
              } else if (Animation.class.isAssignableFrom(property.getType())
                      && OnFinished.class.getName().equals(a.annotationType().getName())) {
  
                  try {
                      // Retrieve the property value
                      final Animation animation = (Animation) property.get(this);
  
                      // Process the annotation if the node is not null
                      if (animation != null && controller() instanceof AbstractController) {
                          addHandler(animation, a);
                      }
  
                  } catch (IllegalArgumentException | IllegalAccessException e) {
                      LOGGER.log(UIMessages.ANIM_ANNO_PROCESSING_FAILURE, e, this.getClass().getName(), property.getName());
                  }
  
              }
  
          }
      }
docs: Process all OnXxxx Annotation to attach event handler on this field.
  
  @param property the field to analyze
  
  @throws CoreException if annotation processing fails