@Override
public void handle(
final AnnotationValues<ListenerSupport> annotation,
final JCAnnotation source,
final JavacNode annotationNode) {
deleteAnnotationIfNeccessary(annotationNode, ListenerSupport.class);
JavacType type = JavacType.typeOf(annotationNode, source);
if (type.isAnnotation() || type.isInterface()) {
annotationNode.addError(canBeUsedOnClassAndEnumOnly(ListenerSupport.class));
return;
}
List<Object> listenerInterfaces = annotation.getActualExpressions("value");
if (listenerInterfaces.isEmpty()) {
annotationNode.addError(
String.format(
"@%s has no effect since no interface types were specified.",
ListenerSupport.class.getName()));
return;
}
List<TypeSymbol> resolvedInterfaces =
resolveInterfaces(annotationNode, ListenerSupport.class, listenerInterfaces);
for (TypeSymbol interfaze : resolvedInterfaces) {
handler.addListenerField(type, interfaze);
handler.addAddListenerMethod(type, interfaze);
handler.addRemoveListenerMethod(type, interfaze);
addFireListenerMethods(type, interfaze);
}
type.editor().rebuild();
}
private void addAllFireListenerMethods(
final JavacType type, final TypeSymbol interfaze, final TypeSymbol superInterfaze) {
for (Symbol member : superInterfaze.getEnclosedElements()) {
if (member.getKind() != ElementKind.METHOD) continue;
handler.addFireListenerMethod(type, interfaze, (MethodSymbol) member);
}
ClassType superInterfazeType = (ClassType) superInterfaze.type;
if (superInterfazeType.interfaces_field != null)
for (Type iface : superInterfazeType.interfaces_field) {
addAllFireListenerMethods(type, interfaze, iface.asElement());
}
}