private void configureInterceptors()

in webbeans-impl/src/main/java/org/apache/webbeans/config/BeansDeployer.java [1827:1907]
67 lines of code
15 McCabe index (conditional complexity)

    private void configureInterceptors(URL bdaLocation, List<String> interceptors)
    {
        // the interceptors in this beans.xml
        // this gets used to detect multiple definitions of the
        // same interceptor in one beans.xml file.
        Set<Class> interceptorsInFile = new HashSet<>();
        
        for (String interceptor : interceptors)
        {
            Class<?> clazz = ClassUtil.getClassFromName(interceptor);

            if (clazz == null)
            {
                throw new WebBeansDeploymentException(createConfigurationFailedMessage(bdaLocation) + "Interceptor class : " +
                        interceptor + " not found");
            }
            else
            {
                Annotation[] classAnnotations;
                AnnotatedType<?> annotatedType = webBeansContext.getAnnotatedElementFactory().getAnnotatedType(clazz);
                if (annotatedType == null)
                {
                    annotatedType = webBeansContext.getAnnotatedElementFactory().newAnnotatedType(clazz);
                }

                GProcessAnnotatedType processAnnotatedEvent =
                        webBeansContext.getWebBeansUtil().fireProcessAnnotatedTypeEvent(annotatedType);

                // if veto() is called
                if (processAnnotatedEvent.isVeto())
                {
                    return;
                }

                annotatedType = processAnnotatedEvent.getAnnotatedType();
                processAnnotatedEvent.setStarted();

                Set<Annotation> annTypeAnnotations = annotatedType.getAnnotations();
                if (annTypeAnnotations != null)
                {
                    classAnnotations = annTypeAnnotations.toArray(new Annotation[annTypeAnnotations.size()]);
                }
                else
                {
                    classAnnotations = new Annotation[0];
                }

                if (AnnotationUtil.hasAnnotation(classAnnotations, jakarta.interceptor.Interceptor.class) &&
                        !webBeansContext.getAnnotationManager().hasInterceptorBindingMetaAnnotation(classAnnotations))
                {
                    throw new WebBeansDeploymentException(createConfigurationFailedMessage(bdaLocation) + "Interceptor class : "
                            + interceptor + " must have at least one @InterceptorBinding");
                }

                // check if the interceptor got defined twice in this beans.xml
                if (interceptorsInFile.contains(clazz))
                {
                    throw new WebBeansDeploymentException(createConfigurationFailedMessage(bdaLocation) + "Interceptor class : "
                            + interceptor + " already defined in this beans.xml file!");
                }
                interceptorsInFile.add(clazz);

                boolean isBDAScanningEnabled = scannerService.isBDABeansXmlScanningEnabled();
                if ((!isBDAScanningEnabled && interceptorsManager.isInterceptorClassEnabled(clazz)) ||
                        (isBDAScanningEnabled && !scannerService.getBDABeansXmlScanner().addInterceptor(clazz, bdaLocation.toExternalForm())))
                {
                    int priority = -1;
                    if (!isBDAScanningEnabled)
                    {
                        priority = interceptorsManager.getPriority(clazz);
                    }
                    logger.fine( "Interceptor class : " + interceptor + " is already defined" +
                            (priority >= 0 ? " with priority " + priority : ""));
                }
                else
                {
                    interceptorsManager.addEnabledInterceptorClass(clazz);
                }
            }
        }
    }