Examples of org.jboss.ejb3.interceptors.InterceptorFactory

org.jboss.ejb3.interceptors.metadata.AdditiveBeanInterceptorMetaDataBridge
Creates instances of interceptors and thus forming a life cycle callback of the interceptor. Currently it's not possible to have have interceptors on interceptors, so it's impossible to perform an action in the 'post construct' of the interceptor itself. To counter this you can use an interceptor factory. @author Carlo de Wolf @version $Revision: 68820 $

      }
      this.asynchronousProcessor = es;
      
      // Get the Bean Instantiator
      final String beanInstantiatorAttachmentName = AttachmentNames.NAME_BEAN_INSTANCE_INSTANTIATOR;
      final BeanInstantiator beanInstantiator = (BeanInstantiator) unit.getAttachment(beanInstantiatorAttachmentName);
      if (beanInstantiator == null)
      {
         throw new IllegalStateException(unit + " must contain an attachment of name " + beanInstantiatorAttachmentName);
      }
      this.beanInstantiator = beanInstantiator;

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      {
         // set the dependency policy
         this.dependencyPolicy = deployment.createDependencyPolicy(this);
         
         // Set the bean instantiator
         final BeanInstantiator beanInstantiator = deployment.getBeanInstantiator();
         if (beanInstantiator != null)
         {
            this.beanInstantiator = beanInstantiator;            
         }

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      assert unit != null : "unit is null";
      assert classLoader != null : "classLoader is null";
      
      this.unit = unit;
      this.classLoader = classLoader;
      this.interceptorInfoRepository = new InterceptorInfoRepository(classLoader);
   }

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    * @throws InstantiationException 
    */
   public Object createInterceptor(Class<?> interceptorClass) throws InstantiationException, IllegalAccessException
   {
      Object instance = interceptorClass.newInstance();
      InterceptorInjector interceptorInjector = interceptorInjectors.get(interceptorClass);
      assert interceptorInjector != null : "interceptorInjector not found for " + interceptorClass;
      interceptorInjector.inject(null, instance);
      return instance;
   }

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            }
         }
         for (Class<?> interceptorClass : beanContainer.getInterceptorClasses())
         {
            Map<AccessibleObject, Injector> injections = InjectionUtil.processAnnotations(this, handlers, interceptorClass);
            InterceptorInjector injector = new InterceptorInjector(injections);
            interceptorInjectors.put(interceptorClass, injector);
         }


         // When @WebServiceRef is not used service-ref won't be processed
         // In this case we process them late

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         InterceptorFactoryRef interceptorFactoryRef = (InterceptorFactoryRef) advisor.resolveAnnotation(InterceptorFactoryRef.class);
         if(interceptorFactoryRef == null)
            throw new IllegalStateException("No InterceptorFactory specified on " + advisor.getName());
         log.debug("interceptor factory class = " + interceptorFactoryRef.value());
         InterceptorFactory interceptorFactory = interceptorFactoryRef.value().newInstance();
         
         Map<Class<?>, Object> interceptors = new HashMap<Class<?>, Object>();
         
         Map<Class<? extends Annotation>, List<Interceptor>> lifeCycleInterceptors = new HashMap<Class<? extends Annotation>, List<Interceptor>>();
         for(Class<? extends Annotation> lifeCycleAnnotationClass : lifeCycleAnnotationClasses)
         {
            List<Interceptor> list = new ArrayList<Interceptor>();
            lifeCycleInterceptors.put(lifeCycleAnnotationClass, list);
         }
         
         DefaultInterceptors defaultInterceptorsAnnotation = (DefaultInterceptors) advisor.resolveAnnotation(DefaultInterceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> defaultInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(defaultInterceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, defaultInterceptorsAnnotation.value(), defaultInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + defaultInterceptors);
         // Default Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "defaultInterceptors", defaultInterceptors);
         
         Interceptors interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(Interceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> classInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(interceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, interceptorsAnnotation.value(), classInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + classInterceptors);
         // Class Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "classInterceptors", classInterceptors);
         
         Class<?> beanClass = advisor.getClazz();
         List<Interceptor> beanInterceptors = new ArrayList<Interceptor>();
         for(Method beanMethod : ClassHelper.getAllMethods(beanClass))
         {
            interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(beanMethod, Interceptors.class);
            if(interceptorsAnnotation != null)
            {
               List<Interceptor> businessMethodInterceptors = new ArrayList<Interceptor>();
               // TODO: use visitors?
               for(Class<?> interceptorClass : interceptorsAnnotation.value())
               {
                  Object interceptor = interceptors.get(interceptorClass);
                  if(interceptor == null)
                  {
                     interceptor = interceptorFactory.create(advisor, interceptorClass);
                     interceptors.put(interceptorClass, interceptor);
                  }
                  //Advisor interceptorAdvisor = ((Advised) interceptor)._getAdvisor();
                  //Advisor interceptorAdvisor = advisor.getManager().getAdvisor(interceptorClass);
                  ExtendedAdvisor interceptorAdvisor = ExtendedAdvisorHelper.getExtendedAdvisor(advisor, interceptor);

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         InterceptorFactoryRef interceptorFactoryRef = (InterceptorFactoryRef) advisor.resolveAnnotation(InterceptorFactoryRef.class);
         if(interceptorFactoryRef == null)
            throw new IllegalStateException("No InterceptorFactory specified on " + advisor.getName());
         log.debug("interceptor factory class = " + interceptorFactoryRef.value());
         InterceptorFactory interceptorFactory = interceptorFactoryRef.value().newInstance();
         
         Map<Class<?>, Object> interceptors = new HashMap<Class<?>, Object>();
         
         Map<Class<? extends Annotation>, List<Interceptor>> lifeCycleInterceptors = new HashMap<Class<? extends Annotation>, List<Interceptor>>();
         for(Class<? extends Annotation> lifeCycleAnnotationClass : lifeCycleAnnotationClasses)
         {
            List<Interceptor> list = new ArrayList<Interceptor>();
            lifeCycleInterceptors.put(lifeCycleAnnotationClass, list);
         }
         
         DefaultInterceptors defaultInterceptorsAnnotation = (DefaultInterceptors) advisor.resolveAnnotation(DefaultInterceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> defaultInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(defaultInterceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, defaultInterceptorsAnnotation.value(), defaultInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + defaultInterceptors);
         // Default Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "defaultInterceptors", defaultInterceptors);
         
         Interceptors interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(Interceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> classInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(interceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, interceptorsAnnotation.value(), classInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + classInterceptors);
         // Class Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "classInterceptors", classInterceptors);
         
         Class<?> beanClass = advisor.getClazz();
         List<Interceptor> beanInterceptors = new ArrayList<Interceptor>();
         for(Method beanMethod : ClassHelper.getAllMethods(beanClass))
         {
            interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(beanMethod, Interceptors.class);
            if(interceptorsAnnotation != null)
            {
               List<Interceptor> businessMethodInterceptors = new ArrayList<Interceptor>();
               // TODO: use visitors?
               for(Class<?> interceptorClass : interceptorsAnnotation.value())
               {
                  Object interceptor = interceptors.get(interceptorClass);
                  if(interceptor == null)
                  {
                     interceptor = interceptorFactory.create(advisor, interceptorClass);
                     interceptors.put(interceptorClass, interceptor);
                  }
                  //Advisor interceptorAdvisor = ((Advised) interceptor)._getAdvisor();
                  //Advisor interceptorAdvisor = advisor.getManager().getAdvisor(interceptorClass);
                  ExtendedAdvisor interceptorAdvisor = ExtendedAdvisorHelper.getExtendedAdvisor(advisor, interceptor);

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         ClassAdvisor advisor = container.getAdvisor();
         InterceptorFactoryRef interceptorFactoryRef = (InterceptorFactoryRef) advisor.resolveAnnotation(InterceptorFactoryRef.class);
         if(interceptorFactoryRef == null)
            throw new IllegalStateException("No InterceptorFactory specified on " + advisor.getName());
         log.debug("interceptor factory class = " + interceptorFactoryRef.value());
         InterceptorFactory interceptorFactory = interceptorFactoryRef.value().newInstance();
         
         List<Object> ejb3Interceptors = new ArrayList<Object>();
         for(Class<?> interceptorClass : container.getInterceptorRegistry().getInterceptorClasses())
         {
            Object interceptor = interceptorFactory.create(advisor, interceptorClass);
            ejb3Interceptors.add(interceptor);
         }
         
         Constructor<T> constructor = advisor.getClazz().getConstructor();
         int idx = advisor.getConstructorIndex(constructor);

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         InterceptorFactoryRef interceptorFactoryRef = (InterceptorFactoryRef) advisor.resolveAnnotation(InterceptorFactoryRef.class);
         if(interceptorFactoryRef == null)
            throw new IllegalStateException("No InterceptorFactory specified on " + advisor.getName());
         log.debug("interceptor factory class = " + interceptorFactoryRef.value());
         InterceptorFactory interceptorFactory = interceptorFactoryRef.value().newInstance();
         
         Map<Class<?>, Object> interceptors = new HashMap<Class<?>, Object>();
         
         Map<Class<? extends Annotation>, List<Interceptor>> lifeCycleInterceptors = new HashMap<Class<? extends Annotation>, List<Interceptor>>();
         for(Class<? extends Annotation> lifeCycleAnnotationClass : lifeCycleAnnotationClasses)
         {
            List<Interceptor> list = new ArrayList<Interceptor>();
            lifeCycleInterceptors.put(lifeCycleAnnotationClass, list);
         }
         
         DefaultInterceptors defaultInterceptorsAnnotation = (DefaultInterceptors) advisor.resolveAnnotation(DefaultInterceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> defaultInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(defaultInterceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, defaultInterceptorsAnnotation.value(), defaultInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + defaultInterceptors);
         // Default Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "defaultInterceptors", defaultInterceptors);
         
         Interceptors interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(Interceptors.class);
         List<BusinessMethodInterceptorMethodInterceptor> classInterceptors = new ArrayList<BusinessMethodInterceptorMethodInterceptor>();
         if(interceptorsAnnotation != null)
            createInterceptors(advisor, interceptorFactory, interceptorsAnnotation.value(), classInterceptors, interceptors, lifeCycleInterceptors);
         
         log.debug("Found class interceptors " + classInterceptors);
         // Class Interceptors
         instanceAdvisor.getMetaData().addMetaData(InterceptorsFactory.class, "classInterceptors", classInterceptors);
         
         Class<?> beanClass = advisor.getClazz();
         List<Interceptor> beanInterceptors = new ArrayList<Interceptor>();
         for(Method beanMethod : ClassHelper.getAllMethods(beanClass))
         {
            interceptorsAnnotation = (Interceptors) advisor.resolveAnnotation(beanMethod, Interceptors.class);
            if(interceptorsAnnotation != null)
            {
               List<Interceptor> businessMethodInterceptors = new ArrayList<Interceptor>();
               // TODO: use visitors?
               for(Class<?> interceptorClass : interceptorsAnnotation.value())
               {
                  Object interceptor = interceptors.get(interceptorClass);
                  if(interceptor == null)
                  {
                     interceptor = interceptorFactory.create(advisor, interceptorClass);
                     interceptors.put(interceptorClass, interceptor);
                  }
                  //Advisor interceptorAdvisor = ((Advised) interceptor)._getAdvisor();
                  //Advisor interceptorAdvisor = advisor.getManager().getAdvisor(interceptorClass);
                  ExtendedAdvisor interceptorAdvisor = ExtendedAdvisorHelper.getExtendedAdvisor(advisor, interceptor);

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   {
      this.metadataBasedAnnotationRepo = new AnnotationRepositoryToMetaData(this.beanClass, this.xml, name, this.classloader);
      List<MetaDataBridge<InterceptorMetaData>> interceptorBridges = new ArrayList<MetaDataBridge<InterceptorMetaData>>();
      interceptorBridges.add(new InterceptorMetaDataBridge());
      this.metadataBasedAnnotationRepo.addComponentMetaDataLoaderFactory(new InterceptorComponentMetaDataLoaderFactory(interceptorBridges));
      this.metadataBasedAnnotationRepo.addMetaDataBridge(new AdditiveBeanInterceptorMetaDataBridge(this.beanClass, this.classloader, this.xml));
      
      List<MetaDataBridge<ApplicationExceptionMetaData>> appExceptionBridges = new ArrayList<MetaDataBridge<ApplicationExceptionMetaData>>();
      appExceptionBridges.add(new ApplicationExceptionMetaDataBridge());
      this.metadataBasedAnnotationRepo.addComponentMetaDataLoaderFactory(new ApplicationExceptionComponentMetaDataLoaderFactory(appExceptionBridges));

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