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Example 1 with EventBusAnnotationValidator

use of com.github.mvp4g.mvp4g2.processor.scanner.validation.EventBusAnnotationValidator in project mvp4g2 by mvp4g.

the class EventBusAnnotationScanner method scan.

public EventBusMetaModel scan(RoundEnvironment roundEnvironment) throws ProcessorException {
    // First we try to read an already created resource ...
    EventBusMetaModel model = this.restore();
    // Check if we have an element annotated with @Application
    if (!roundEnvironment.getElementsAnnotatedWith(EventBus.class).isEmpty()) {
        // create validator
        EventBusAnnotationValidator eventBusValidaitor = EventBusAnnotationValidator.builder().roundEnvironment(roundEnvironment).processingEnvironment(processingEnvironment).build();
        // check, whether we have o do something ...
        eventBusValidaitor.validate();
        // should only be one, so we can search for the first! ...
        Optional<? extends Element> optionalElement = this.roundEnvironment.getElementsAnnotatedWith(EventBus.class).stream().findFirst();
        if (optionalElement.isPresent()) {
            Element eventBusAnnotationElement = optionalElement.get();
            eventBusValidaitor.validate(eventBusAnnotationElement);
            EventBus eventBusAnnotation = eventBusAnnotationElement.getAnnotation(EventBus.class);
            if (!isNull(eventBusAnnotation)) {
                TypeElement shellTypeElement = this.getShellTypeElement(eventBusAnnotation);
                model = new EventBusMetaModel(eventBusAnnotationElement.toString(), isNull(shellTypeElement) ? "" : shellTypeElement.toString());
                // Debug-Annotation
                model = DebugAnnotationScanner.builder().processingEnvironment(processingEnvironment).eventBusTypeElement((TypeElement) eventBusAnnotationElement).eventBusMetaModel(model).build().scan(roundEnvironment);
                // Filters-Annotation
                model = FiltersAnnotationScanner.builder().processingEnvironment(processingEnvironment).eventBusTypeElement((TypeElement) eventBusAnnotationElement).eventBusMetaModel(model).build().scan(roundEnvironment);
                // handle Event-annotation
                model = EventAnnotationScanner.builder().processingEnvironment(processingEnvironment).eventBusTypeElement((TypeElement) eventBusAnnotationElement).eventBusMetaModel(model).build().scan(roundEnvironment);
                // let's store the updated model
                this.processorUtils.store(model, this.createRelativeFileName());
            }
        }
    } else {
        // @Debug annotation with no @EventBus annotation ... bad idea!
        Optional<? extends Element> optionalDebugElement = this.roundEnvironment.getElementsAnnotatedWith(Debug.class).stream().findFirst();
        if (optionalDebugElement.isPresent()) {
            EventBus eventBusAnnotation = optionalDebugElement.get().getAnnotation(EventBus.class);
            if (eventBusAnnotation == null) {
                throw new ProcessorException(((TypeElement) optionalDebugElement.get()).getQualifiedName().toString() + " -> @Debug can only be used with an interfaces annotated with @EventBus");
            }
        }
        // @Filters annotation with no @EventBus annotation ... bad idea!
        Optional<? extends Element> optionalFiltersElement = this.roundEnvironment.getElementsAnnotatedWith(Filters.class).stream().findFirst();
        if (optionalFiltersElement.isPresent()) {
            EventBus eventBusAnnotation = optionalFiltersElement.get().getAnnotation(EventBus.class);
            if (eventBusAnnotation == null) {
                throw new ProcessorException(((TypeElement) optionalFiltersElement.get()).getQualifiedName().toString() + " -> @Filters can only be used with an interfaces annotated with @EventBus");
            }
        }
    }
    return model;
}
Also used : ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) TypeElement(javax.lang.model.element.TypeElement) Element(javax.lang.model.element.Element) TypeElement(javax.lang.model.element.TypeElement) EventBusMetaModel(com.github.mvp4g.mvp4g2.processor.model.EventBusMetaModel) EventBus(com.github.mvp4g.mvp4g2.core.eventbus.annotation.EventBus) EventBusAnnotationValidator(com.github.mvp4g.mvp4g2.processor.scanner.validation.EventBusAnnotationValidator)

Aggregations

EventBus (com.github.mvp4g.mvp4g2.core.eventbus.annotation.EventBus)1 ProcessorException (com.github.mvp4g.mvp4g2.processor.ProcessorException)1 EventBusMetaModel (com.github.mvp4g.mvp4g2.processor.model.EventBusMetaModel)1 EventBusAnnotationValidator (com.github.mvp4g.mvp4g2.processor.scanner.validation.EventBusAnnotationValidator)1 Element (javax.lang.model.element.Element)1 TypeElement (javax.lang.model.element.TypeElement)1