public Object redefineParameterValue()

in deltaspike/modules/security/impl/src/main/java/org/apache/deltaspike/security/impl/authorization/SecurityParameterValueRedefiner.java [60:132]
64 lines of code
13 McCabe index (conditional complexity)

    public Object redefineParameterValue(ParameterValue value)
    {

        InjectionPoint injectionPoint = value.getInjectionPoint();
        if (injectionPoint != null)
        {
            if (value.getInjectionPoint().getAnnotated().getBaseType().equals(InvocationContext.class))
            {
                return invocation;
            }
            else if (value.getInjectionPoint().getAnnotated().isAnnotationPresent(SecuredReturn.class))
            {
                return result;
            }
            else
            {
                Annotated securingParameterAnnotatedType = injectionPoint.getAnnotated();
                Set<Annotation> securingParameterAnnotations = securingParameterAnnotatedType.getAnnotations();

                Set<Annotation> requiredBindingAnnotations = new HashSet<Annotation>();
                for (Annotation annotation : securingParameterAnnotations)
                {
                    if (annotation.annotationType().isAnnotationPresent(SecurityParameterBinding.class))
                    {
                        requiredBindingAnnotations.add(annotation);
                    }
                }

                if (!requiredBindingAnnotations.isEmpty())
                {
                    Method method = invocation.getMethod();
                    Annotation[][] businessMethodParameterAnnotations = method.getParameterAnnotations();
                    for (int i = 0; i < businessMethodParameterAnnotations.length; i++)
                    {
                        List<Annotation> businessParameterAnnotations = Arrays
                                    .asList(businessMethodParameterAnnotations[i]);
                        for (Annotation annotation : requiredBindingAnnotations)
                        {
                            if (businessParameterAnnotations.contains(annotation))
                            {
                                return invocation.getParameters()[i];
                            }
                        }

                        Set<Integer> hashCodesOfBusinessParameterAnnotations =
                            new HashSet<Integer>(businessParameterAnnotations.size());

                        for (Annotation annotation : businessParameterAnnotations)
                        {
                            hashCodesOfBusinessParameterAnnotations.add(beanManager.getQualifierHashCode(annotation));
                        }
                        //2nd try (detailed check)
                        for (Annotation annotation : requiredBindingAnnotations)
                        {
                            if (hashCodesOfBusinessParameterAnnotations.contains(beanManager.getQualifierHashCode(annotation)))
                            {
                                return invocation.getParameters()[i];
                            }
                        }
                    }

                    throw new IllegalStateException("Missing required security parameter binding "
                                + requiredBindingAnnotations + " on method invocation ["
                                + method.getDeclaringClass().getName() + "." + method.getName()
                                + Arrays.asList(method.getParameterTypes()).toString().replaceFirst("\\[", "(")
                                            .replaceFirst("\\]$", ")") + "]");

                }
            }
        }

        return value.getDefaultValue(creationalContext);
    }