Examples of java.lang.annotation.Annotation

java.lang.annotation.Annotation
The common interface extended by all annotation types. Note that an interface that manually extends this one does not define an annotation type. Also note that this interface does not itself define an annotation type. @author Josh Bloch @since 1.5

    public <A extends Annotation> boolean isAnnotationPresent(Class<A> annotationClass) {
        return getAnnotation(annotationClass) != null;
    }


    public <A extends Annotation> boolean isAnnotationValuePresent(Class<A> annotationClass, String memberName) {
        Annotation annotation = getAnnotation(annotationClass);
        return annotation != null && getAnnotationValue(annotation, memberName) != null;
    }

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    }


    @SuppressWarnings("unchecked")
    public <T, A extends Annotation> T getAnnotatedValue(Class<A> annotationClass, Class<T> memberType,
            String memberName) {
        Annotation annotation = getAnnotation(annotationClass);
        if (annotation != null) {
            return (T) getAnnotationValue(annotation, memberName);
        }
        throw new AnnotationRequired(annotatedClass, annotationClass);
    }

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  /**
   * Returns true if the binding annotation is in the wrong place.
   */
  private static boolean checkForMisplacedBindingAnnotations(Member member, Errors errors) {
    Annotation misplacedBindingAnnotation = Annotations.findBindingAnnotation(
        errors, member, ((AnnotatedElement) member).getAnnotations());
    if (misplacedBindingAnnotation == null) {
      return false;
    }

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      return Modifier.isFinal(method.getModifiers());
    }
  }


  static Annotation getAtInject(AnnotatedElement member) {
    Annotation a = member.getAnnotation(javax.inject.Inject.class);
    return a == null ? member.getAnnotation(Inject.class) : a;
  }

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      TypeLiteral<?> current = hierarchy.get(i);


      for (Field field : current.getRawType().getDeclaredFields()) {
        if (Modifier.isStatic(field.getModifiers()) == statics) {
          Annotation atInject = getAtInject(field);
          if (atInject != null) {
            InjectableField injectableField = new InjectableField(current, field, atInject);
            if (injectableField.jsr330 && Modifier.isFinal(field.getModifiers())) {
              errors.cannotInjectFinalField(field);
            }
            injectableMembers.add(injectableField);
          }
        }
      }


      for (Method method : current.getRawType().getDeclaredMethods()) {
        if (isEligibleForInjection(method, statics)) {
          Annotation atInject = getAtInject(method);
          if (atInject != null) {
            InjectableMethod injectableMethod = new InjectableMethod(
                current, method, atInject);
            if (checkForMisplacedBindingAnnotations(method, errors)
                || !isValidMethod(injectableMethod, errors)) {

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    private OAuthService getUnambiguousService() {
        // Attempts to get the only configured service
        if (extension.getSocialRelated().size() == 1) {
            String name = getOnlyElement(extension.getSocialRelated());
            Annotation qualifier = SeamSocialExtension.getServicesToQualifier().inverse().get(name);
            return serviceInstances.select(qualifier).get();
        } else {
            throw new IllegalStateException("Service name not set and there is no unambiguous OAuthService available");
        }
    }

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                    + m.getJavaMember().getDeclaringClass().getName() + "." + m.getJavaMember().getName()
                    + "] - does not return a boolean.");
        }


        // Locate the binding type
        Annotation binding = null;


        for (Annotation a : m.getAnnotations()) {
            if (a.annotationType().isAnnotationPresent(SecurityBindingType.class)) {
                if (binding != null) {
                    throw new SecurityDefinitionException("Invalid authorizer method ["

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        for (Class<?> controllerClass : controllerClasses) {


            logger.debug("found controller class: " + controllerClass.getName());


            Annotation controllerAnnotation = getControllerAnnotation(controllerClass);


            String controllerVariable = getControllerVariable(controllerClass, controllerAnnotation);


            addControllerClass(controllerVariable, controllerClass);
        }

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    }


    private Annotation getControllerAnnotation(Class<?> controllerClass) {


        Annotation[] controllerAnnotations = controllerClass.getAnnotations();
        Annotation controllerAnnotation = null;
        for (Annotation annot : controllerAnnotations) {


            if (annot instanceof StatelessController || annot instanceof StatefulController
                    || annot instanceof SingletonController) {

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        setInterceptorsFor(controllerClass);
    }


    private void checkForInitController(Class<?> controllerClass) {


        Annotation annot = controllerClass.getAnnotation(Init.class);
        if (annot != null) {
            /* do some validation */
            annot = controllerClass.getAnnotation(SingletonController.class);
            if (annot == null) {
                throw new ConfigurationException("only a @" + SingletonController.class.getSimpleName()

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