コード例 #1
0
  @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();
  }
コード例 #2
0
 private List<TypeSymbol> resolveInterfaces(
     final JavacNode annotationNode,
     final Class<? extends java.lang.annotation.Annotation> annotationType,
     final List<Object> listenerInterfaces) {
   List<TypeSymbol> resolvedInterfaces = new ArrayList<TypeSymbol>();
   for (Object listenerInterface : listenerInterfaces) {
     if (listenerInterface instanceof JCFieldAccess) {
       JCFieldAccess interfaze = (JCFieldAccess) listenerInterface;
       if ("class".equals(As.string(interfaze.name))) {
         Type interfaceType = CLASS.resolveMember(annotationNode, interfaze.selected);
         if (interfaceType == null) continue;
         if (interfaceType.isInterface()) {
           TypeSymbol interfaceSymbol = interfaceType.asElement();
           if (interfaceSymbol != null) resolvedInterfaces.add(interfaceSymbol);
         } else {
           annotationNode.addWarning(
               String.format(
                   "@%s works only with interfaces. %s was skipped",
                   annotationType.getName(), listenerInterface));
         }
       }
     }
   }
   return resolvedInterfaces;
 }
コード例 #3
0
 @Override
 protected void createParamsAndArgs(
     final Object method, final List<Argument> params, final List<Expression<?>> args) {
   MethodType mtype = (MethodType) type(method);
   if (mtype.argtypes.isEmpty()) return;
   int argCounter = 0;
   for (Type parameter : mtype.getParameterTypes()) {
     String arg = "arg" + argCounter++;
     params.add(Arg(Type(parameter), arg));
     args.add(Name(arg));
   }
 }