public void handle()

in jee-modules/jsf20-module/impl/src/main/java/org/apache/myfaces/extensions/cdi/jsf2/impl/listener/request/DefaultErrorViewExceptionHandler.java [66:133]
53 lines of code
10 McCabe index (conditional complexity)

    public void handle() throws FacesException
    {
        lazyInit();
        Iterator<ExceptionQueuedEvent> exceptionQueuedEventIterator = getUnhandledExceptionQueuedEvents().iterator();

        while (exceptionQueuedEventIterator.hasNext())
        {
            ExceptionQueuedEventContext exceptionQueuedEventContext =
                    (ExceptionQueuedEventContext) exceptionQueuedEventIterator.next().getSource();

            @SuppressWarnings({"ThrowableResultOfMethodCallIgnored"})
            Throwable throwable = exceptionQueuedEventContext.getException();

            String viewId = null;

            if (throwable instanceof ViewExpiredException)
            {
                viewId = ((ViewExpiredException) throwable).getViewId();
            }
            else if(throwable instanceof ContextNotActiveException)
            {
                FacesContext facesContext = exceptionQueuedEventContext.getContext();
                Flash flash =  facesContext.getExternalContext().getFlash();

                //the error page uses a cdi scope which isn't active as well
                if(flash.containsKey(ContextNotActiveException.class.getName()))
                {
                    break;
                }

                if(facesContext.getViewRoot() != null)
                {
                    viewId = facesContext.getViewRoot().getViewId();
                }
            }

            if(viewId != null)
            {
                FacesContext facesContext = exceptionQueuedEventContext.getContext();
                UIViewRoot uiViewRoot = facesContext.getApplication().getViewHandler().createView(facesContext, viewId);

                if (uiViewRoot == null)
                {
                    continue;
                }

                if(facesContext.isProjectStage(ProjectStage.Development) ||
                        ProjectStageProducer.getInstance().getProjectStage() ==
                                org.apache.myfaces.extensions.cdi.core.api.projectstage.ProjectStage.Development)
                {
                    throwable.printStackTrace();
                }

                facesContext.setViewRoot(uiViewRoot);
                exceptionQueuedEventIterator.remove();

                Flash flash =  facesContext.getExternalContext().getFlash();
                flash.put(throwable.getClass().getName(), throwable);
                flash.keep(throwable.getClass().getName());

                this.viewNavigationHandler.navigateTo(DefaultErrorView.class);

                break;
            }
        }

        this.wrapped.handle();
    }