javax.servlet.annotation.HandlesTypes Java Examples

The following examples show how to use javax.servlet.annotation.HandlesTypes. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: VaadinVerticle.java    From vertx-vaadin with MIT License 6 votes vote down vote up 
private void registerHandledTypes(ScanResult scanResult, Class<?> initializerClass, Map<Class<?>, Set<Class<?>>> map) {

        HandlesTypes handledTypes = initializerClass.getAnnotation(HandlesTypes.class);
        if (handledTypes != null) {
            Function<Class<?>, ClassInfoList> classFinder = type -> {
                if (type.isAnnotation()) {
                    return scanResult.getClassesWithAnnotation(type.getCanonicalName());
                } else if (type.isInterface()) {
                    return scanResult.getClassesImplementing(type.getCanonicalName());
                } else {
                    return scanResult.getSubclasses(type.getCanonicalName());
                }
            };

            Set<Class<?>> classes = Stream.of(handledTypes.value())
                .map(classFinder)
                .flatMap(c -> c.loadClasses().stream())
                .collect(Collectors.toSet());

            if (!classes.isEmpty()) {
                map.put(initializerClass, classes);
            }
        }
    }
Example #2
Source File: AbstractRouteRegistryInitializer.java    From flow with Apache License 2.0 5 votes vote down vote up 
private Stream<Class<?>> getValidationAnnotations() {
    return Stream.concat(
            Stream.of(AnnotationValidator.class
                    .getAnnotation(HandlesTypes.class).value()),
            Stream.of(WebComponentExporterAwareValidator.class
                    .getAnnotation(HandlesTypes.class).value()));
}
Example #3
Source File: ServletContainerInitializerRegistrationBean.java    From joinfaces with Apache License 2.0 4 votes vote down vote up 
@Nullable
protected Set<Class<?>> performClasspathScan() {
	HandlesTypes handlesTypes = AnnotationUtils.findAnnotation(getServletContainerInitializerClass(), HandlesTypes.class);

	if (handlesTypes == null) {
		return null;
	}

	Class<?>[] handledTypes = handlesTypes.value();
	if (handledTypes.length == 0) {
		return null;
	}

	StopWatch stopWatch = new StopWatch(getServletContainerInitializerClass().getName());
	stopWatch.start("prepare");

	ClassGraph classGraph = new ClassGraph()
			.enableClassInfo();

	// Only scan for Annotations if we have to
	if (Arrays.stream(handledTypes).anyMatch(Class::isAnnotation)) {
		classGraph = classGraph.enableAnnotationInfo();
	}

	classGraph = classGraph.enableExternalClasses()
			.enableSystemJarsAndModules() // Find classes in javax.faces
			.blacklistPackages("java", "jdk", "sun", "javafx", "oracle")
			.blacklistPackages("javax.xml", "javax.el", "javax.persistence")
			.blacklistModules("java.*", "jdk.*")
			.filterClasspathElements(path -> {
				log.debug("Path {}", path);
				return true;
			});

	Set<Class<?>> classes = new HashSet<>();

	stopWatch.stop();
	stopWatch.start("classpath scan");

	try (ScanResult scanResult = classGraph.scan()) {

		stopWatch.stop();
		stopWatch.start("collect results");

		for (Class<?> handledType : handledTypes) {
			ClassInfoList classInfos;
			if (handledType.isAnnotation()) {
				classInfos = scanResult.getClassesWithAnnotation(handledType.getName());
			}
			else if (handledType.isInterface()) {
				classInfos = scanResult.getClassesImplementing(handledType.getName());
			}
			else {
				classInfos = scanResult.getSubclasses(handledType.getName());
			}
			classes.addAll(classInfos.loadClasses());
		}

		handleScanResult(scanResult);
	}
	finally {
		stopWatch.stop();
		log.info("Resolving classes for {} took {}s", getServletContainerInitializerClass().getName(), stopWatch.getTotalTimeSeconds());
		if (log.isDebugEnabled()) {
			log.debug(stopWatch.prettyPrint());
		}
	}

	return classes.isEmpty() ? null : classes;
}
Example #4
Source File: AnnotationValidator.java    From flow with Apache License 2.0 4 votes vote down vote up 
@Override
public List<Class<?>> getAnnotations() {
    return Arrays.asList(
            this.getClass().getAnnotation(HandlesTypes.class).value());
}
Example #5
Source File: DevModeInitializer.java    From flow with Apache License 2.0 4 votes vote down vote up 
private static Set<String> calculateApplicableClassNames() {
    HandlesTypes handlesTypes = DevModeInitializer.class
            .getAnnotation(HandlesTypes.class);
    return Stream.of(handlesTypes.value()).map(Class::getName)
            .collect(Collectors.toSet());
}
Example #6
Source File: WebComponentExporterAwareValidator.java    From flow with Apache License 2.0 4 votes vote down vote up 
@Override
public List<Class<?>> getAnnotations() {
    return Arrays.asList(
            this.getClass().getAnnotation(HandlesTypes.class).value());
}
Example #7
Source File: DevModeClassFinderTest.java    From flow with Apache License 2.0 4 votes vote down vote up 
private Collection<Class<?>> getApplicableClasses() {
    HandlesTypes handlesTypes = DevModeInitializer.class
            .getAnnotation(HandlesTypes.class);
    return Stream.of(handlesTypes.value()).collect(Collectors.toList());
}