org.springframework.util.ClassUtils Java Examples

private Set<Class<?>> sources(ApplicationReadyEvent event) {
	Method method = ReflectionUtils.findMethod(SpringApplication.class, "getAllSources");
	if (method == null) {
		method = ReflectionUtils.findMethod(SpringApplication.class, "getSources");
	}
	ReflectionUtils.makeAccessible(method);
	@SuppressWarnings("unchecked")
	Set<Object> objects = (Set<Object>) ReflectionUtils.invokeMethod(method, event.getSpringApplication());
	Set<Class<?>> result = new LinkedHashSet<>();
	for (Object object : objects) {
		if (object instanceof String) {
			object = ClassUtils.resolveClassName((String) object, null);
		}
		result.add((Class<?>) object);
	}
	return result;
}
 

private ManagedList<Object> wrapLegacyResolvers(List<Object> list, ParserContext context) {
	ManagedList<Object> result = new ManagedList<Object>();
	for (Object object : list) {
		if (object instanceof BeanDefinitionHolder) {
			BeanDefinitionHolder beanDef = (BeanDefinitionHolder) object;
			String className = beanDef.getBeanDefinition().getBeanClassName();
			Class<?> clazz = ClassUtils.resolveClassName(className, context.getReaderContext().getBeanClassLoader());
			if (WebArgumentResolver.class.isAssignableFrom(clazz)) {
				RootBeanDefinition adapter = new RootBeanDefinition(ServletWebArgumentResolverAdapter.class);
				adapter.getConstructorArgumentValues().addIndexedArgumentValue(0, beanDef);
				result.add(new BeanDefinitionHolder(adapter, beanDef.getBeanName() + "Adapter"));
				continue;
			}
		}
		result.add(object);
	}
	return result;
}
 

/**
 * Look for the next generic argument value that matches the given type,
 * ignoring argument values that have already been used in the current
 * resolution process.
 * @param requiredType the type to match (can be {@code null} to find
 * an arbitrary next generic argument value)
 * @param requiredName the name to match (can be {@code null} to not
 * match argument values by name, or empty String to match any name)
 * @param usedValueHolders a Set of ValueHolder objects that have already been used
 * in the current resolution process and should therefore not be returned again
 * @return the ValueHolder for the argument, or {@code null} if none found
 */
@Nullable
public ValueHolder getGenericArgumentValue(@Nullable Class<?> requiredType, @Nullable String requiredName, @Nullable Set<ValueHolder> usedValueHolders) {
	for (ValueHolder valueHolder : this.genericArgumentValues) {
		if (usedValueHolders != null && usedValueHolders.contains(valueHolder)) {
			continue;
		}
		if (valueHolder.getName() != null && !"".equals(requiredName) &&
				(requiredName == null || !valueHolder.getName().equals(requiredName))) {
			continue;
		}
		if (valueHolder.getType() != null &&
				(requiredType == null || !ClassUtils.matchesTypeName(requiredType, valueHolder.getType()))) {
			continue;
		}
		if (requiredType != null && valueHolder.getType() == null && valueHolder.getName() == null &&
				!ClassUtils.isAssignableValue(requiredType, valueHolder.getValue())) {
			continue;
		}
		return valueHolder;
	}
	return null;
}
 

@Override
@Nullable
public ContextCustomizer createContextCustomizer(Class<?> testClass,
		List<ContextConfigurationAttributes> configAttributes) {

	if (webSocketPresent && isAnnotatedWithWebAppConfiguration(testClass)) {
		try {
			Class<?> clazz = ClassUtils.forName(MOCK_SERVER_CONTAINER_CONTEXT_CUSTOMIZER_CLASS_NAME,
					getClass().getClassLoader());
			return (ContextCustomizer) BeanUtils.instantiateClass(clazz);
		}
		catch (Throwable ex) {
			throw new IllegalStateException("Failed to enable WebSocket test support; could not load class: " +
					MOCK_SERVER_CONTAINER_CONTEXT_CUSTOMIZER_CLASS_NAME, ex);
		}
	}

	// Else, nothing to customize
	return null;
}
 

/**
 * Actually create the EntityManager proxy.
 * @param rawEm raw EntityManager
 * @param emIfc the (potentially vendor-specific) EntityManager
 * interface to proxy, or {@code null} for default detection of all interfaces
 * @param cl the ClassLoader to use for proxy creation (maybe {@code null})
 * @param exceptionTranslator the PersistenceException translator to use
 * @param jta whether to create a JTA-aware EntityManager
 * (or {@code null} if not known in advance)
 * @param containerManaged whether to follow container-managed EntityManager
 * or application-managed EntityManager semantics
 * @param synchronizedWithTransaction whether to automatically join ongoing
 * transactions (according to the JPA 2.1 SynchronizationType rules)
 * @return the EntityManager proxy
 */
private static EntityManager createProxy(
		EntityManager rawEm, @Nullable Class<? extends EntityManager> emIfc, @Nullable ClassLoader cl,
		@Nullable PersistenceExceptionTranslator exceptionTranslator, @Nullable Boolean jta,
		boolean containerManaged, boolean synchronizedWithTransaction) {

	Assert.notNull(rawEm, "EntityManager must not be null");
	Set<Class<?>> ifcs = new LinkedHashSet<>();
	if (emIfc != null) {
		ifcs.add(emIfc);
	}
	else {
		ifcs.addAll(ClassUtils.getAllInterfacesForClassAsSet(rawEm.getClass(), cl));
	}
	ifcs.add(EntityManagerProxy.class);
	return (EntityManager) Proxy.newProxyInstance(
			(cl != null ? cl : ExtendedEntityManagerCreator.class.getClassLoader()),
			ClassUtils.toClassArray(ifcs),
			new ExtendedEntityManagerInvocationHandler(
					rawEm, exceptionTranslator, jta, containerManaged, synchronizedWithTransaction));
}
 

@Override
public Object generate(Object target, Method method, Object... params) {
    StringBuilder key = new StringBuilder();
    key.append(target.getClass().getSimpleName()).append(".").append(method.getName()).append(":");

    if (params.length == 0) {
        key.append(NO_PARAM_KEY).toString();
    }

    for (Object param : params) {
        if (param == null) {
            key.append(NULL_PARAM_KEY);
        } else if (ClassUtils.isPrimitiveOrWrapper(param.getClass()) || param instanceof String) {
            key.append(param);
        } else if (param instanceof CacheKey) {
            key.append(((CacheKey) param).getCacheKey());
        } else {
            logger.warn("Using object " + param + " as cache key. Either use key='..' or implement CacheKey. Method is " + target.getClass() + "#" + method.getName());
            key.append(param.hashCode());
        }
    }

    return  key.toString();
}
 

@Override
public ServletInputStream getInputStream() throws IOException {
	Object body = body();
	MethodParameter output = new MethodParameter(
			ClassUtils.getMethod(BodySender.class, "body"), -1);
	ServletOutputToInputConverter response = new ServletOutputToInputConverter(
			this.response);
	ServletWebRequest webRequest = new ServletWebRequest(this.request, response);
	try {
		delegate.handleReturnValue(body, output, mavContainer, webRequest);
	}
	catch (HttpMessageNotWritableException
			| HttpMediaTypeNotAcceptableException e) {
		throw new IllegalStateException("Cannot convert body", e);
	}
	return response.getInputStream();
}
 

@Override
@Nullable
public TransactionAttribute getTransactionAttribute(Method method, @Nullable Class<?> targetClass) {
	if (!ClassUtils.isUserLevelMethod(method)) {
		return null;
	}

	// Look for direct name match.
	String methodName = method.getName();
	TransactionAttribute attr = this.nameMap.get(methodName);

	if (attr == null) {
		// Look for most specific name match.
		String bestNameMatch = null;
		for (String mappedName : this.nameMap.keySet()) {
			if (isMatch(methodName, mappedName) &&
					(bestNameMatch == null || bestNameMatch.length() <= mappedName.length())) {
				attr = this.nameMap.get(mappedName);
				bestNameMatch = mappedName;
			}
		}
	}

	return attr;
}
 

@Order(1)
@Before("within(@(@dev.alangomes.springspigot.security.Audit *) *) " +
        "|| execution(@(@dev.alangomes.springspigot.security.Audit *) * *(..)) " +
        "|| @within(dev.alangomes.springspigot.security.Audit)" +
        "|| execution(@dev.alangomes.springspigot.security.Audit * *(..))")
public void auditCall(JoinPoint joinPoint) {
    val sender = context.getSender();
    val method = ((MethodSignature) joinPoint.getSignature()).getMethod();
    val signature = ClassUtils.getUserClass(method.getDeclaringClass()).getName() + "." + method.getName();
    val arguments = Arrays.stream(joinPoint.getArgs()).map(String::valueOf).collect(Collectors.joining(", "));

    AopAnnotationUtils.getAppliableAnnotations(method, Audit.class).stream()
            .filter(audit -> sender != null || !audit.senderOnly())
            .limit(1)
            .forEach(audit -> {
                if (sender != null) {
                    log.info(String.format("Player %s invoked %s(%s)", sender.getName(), signature, arguments));
                } else {
                    log.info(String.format("Server invoked %s(%s)", signature, arguments));
                }
            });
}
 

@Test
public void componentScanJarFunction() {
	try {
		create("greeter.jar", ComponentScanJarConfiguration.class);
		assertThat(this.context.getBean("greeter")).isInstanceOf(Function.class);
		assertThat((Function<?, ?>) this.catalog.lookup(Function.class, "greeter"))
				.isInstanceOf(Function.class);
		assertThat(this.inspector
				.getInputType(this.catalog.lookup(Function.class, "greeter")))
						.isAssignableFrom(String.class);
		assertThat(this.inspector
				.getInputWrapper(this.catalog.lookup(Function.class, "greeter")))
						.isAssignableFrom(String.class);
	}
	finally {
		ClassUtils.overrideThreadContextClassLoader(getClass().getClassLoader());
	}
}
 

/**
 * deducing groupId, artifactId
 *
 * @param event
 */
private void onApplicationStartingEvent(ApplicationStartingEvent event) {
    if (ClassUtils.isPresent("ch.qos.logback.core.Appender",
            event.getSpringApplication().getClassLoader())) {
        // base package
        Class<?> mainClass = event.getSpringApplication().getMainApplicationClass();
        if (mainClass != null) {
            String basePackage = mainClass.getPackage().getName();
            System.setProperty("BASE_PACKAGE", basePackage);
        } else {
            System.setProperty("BASE_PACKAGE", "");
            logger.warn("can not set BASE_PACKAGE correctly");
        }

        // set logging system impl
        System.setProperty(LoggingSystem.SYSTEM_PROPERTY, FormulaLogbackSystem.class.getName());
    }
}
 

@Override
public Object configureBean(Object existingBean, String beanName) throws BeansException {
	markBeanAsCreated(beanName);
	BeanDefinition mbd = getMergedBeanDefinition(beanName);
	RootBeanDefinition bd = null;
	if (mbd instanceof RootBeanDefinition) {
		RootBeanDefinition rbd = (RootBeanDefinition) mbd;
		bd = (rbd.isPrototype() ? rbd : rbd.cloneBeanDefinition());
	}
	if (bd == null) {
		bd = new RootBeanDefinition(mbd);
	}
	if (!bd.isPrototype()) {
		bd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
		bd.allowCaching = ClassUtils.isCacheSafe(ClassUtils.getUserClass(existingBean), getBeanClassLoader());
	}
	BeanWrapper bw = new BeanWrapperImpl(existingBean);
	initBeanWrapper(bw);
	populateBean(beanName, bd, bw);
	return initializeBean(beanName, existingBean, bd);
}
 

/**
 * This implementation returns a description that includes the class path location.
 */
@Override
public String getDescription() {
	StringBuilder builder = new StringBuilder("class path resource [");
	String pathToUse = this.path;
	if (this.clazz != null && !pathToUse.startsWith("/")) {
		builder.append(ClassUtils.classPackageAsResourcePath(this.clazz));
		builder.append('/');
	}
	if (pathToUse.startsWith("/")) {
		pathToUse = pathToUse.substring(1);
	}
	builder.append(pathToUse);
	builder.append(']');
	return builder.toString();
}
 

@Override
public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception {
	Class<?> paramType = parameter.getParameterType();
	if (!paramType.isAssignableFrom(message.getClass())) {
			throw new MethodArgumentTypeMismatchException(message, parameter,
					"The actual message type [" + ClassUtils.getQualifiedName(message.getClass()) + "] " +
					"does not match the expected type [" + ClassUtils.getQualifiedName(paramType) + "]");
	}

	Class<?> expectedPayloadType = getPayloadType(parameter);
	Object payload = message.getPayload();
	if (payload != null && expectedPayloadType != null && !expectedPayloadType.isInstance(payload)) {
		throw new MethodArgumentTypeMismatchException(message, parameter,
				"The expected Message<?> payload type [" + ClassUtils.getQualifiedName(expectedPayloadType) +
				"] does not match the actual payload type [" + ClassUtils.getQualifiedName(payload.getClass()) + "]");
	}

	return message;
}
 

protected Set<Class<?>> scanForEntities(String basePackage) throws ClassNotFoundException {
    if (!StringUtils.hasText(basePackage)) {
        return Collections.emptySet();
    }

    final Set<Class<?>> initialEntitySet = new HashSet<>();

    if (StringUtils.hasText(basePackage)) {
        final ClassPathScanningCandidateComponentProvider componentProvider =
                new ClassPathScanningCandidateComponentProvider(false);

        componentProvider.addIncludeFilter(new AnnotationTypeFilter(Persistent.class));

        for (final BeanDefinition candidate : componentProvider.findCandidateComponents(basePackage)) {
            final String className = candidate.getBeanClassName();
            Assert.notNull(className, "Bean class name is null.");

            initialEntitySet
                    .add(ClassUtils.forName(className, CosmosConfigurationSupport.class.getClassLoader()));
        }
    }

    return initialEntitySet;
}
 

@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata,
                                    BeanDefinitionRegistry registry) {
    Map<Class, String> serviceExporterMap = new HashMap<>();
    AnnotationBeanNameGenerator beanNameGenerator = new AnnotationBeanNameGenerator();
    Collection<BeanDefinition> candidates = getCandidates(resourceLoader);
    for (BeanDefinition candidate : candidates) {
        Class<?> clazz = getClass(candidate.getBeanClassName());
        Class<?>[] interfaces = ClassUtils.getAllInterfacesForClass(clazz);
        if (interfaces.length != 1) {
            throw new BeanInitializationException("bean interface num must equal 1, " + clazz.getName());
        }
        String serviceBeanName = beanNameGenerator.generateBeanName(candidate, registry);
        String old = serviceExporterMap.putIfAbsent(interfaces[0], serviceBeanName);
        if (old != null) {
            throw new RuntimeException("interface already be exported by bean name:" + old);
        }
        registry.registerBeanDefinition(serviceBeanName, candidate);
    }
}
 

private Object convertPayload(Message<?> message, MethodParameter parameter,
		Class<?> targetPayloadType) {
	Object result = null;
	if (this.messageConverter instanceof SmartMessageConverter) {
		SmartMessageConverter smartConverter = (SmartMessageConverter) this.messageConverter;
		result = smartConverter.fromMessage(message, targetPayloadType, parameter);
	}
	else if (this.messageConverter != null) {
		result = this.messageConverter.fromMessage(message, targetPayloadType);
	}

	if (result == null) {
		throw new MessageConversionException(message,
				"No converter found from actual payload type '"
						+ ClassUtils.getDescriptiveType(message.getPayload())
						+ "' to expected payload type '"
						+ ClassUtils.getQualifiedName(targetPayloadType) + "'");
	}
	return result;
}
 

/**
 * @since 3.2.8 and 4.0.2
 * @see <a href="https://jira.spring.io/browse/SPR-10785">SPR-10785</a> and <a
 *      href="https://jira.spring.io/browse/SPR-11420">SPR-11420</a>
 */
@Test
public void methodInjectedBeanMustBeOfSameEnhancedCglibSubclassTypeAcrossBeanFactories() {
	Class<?> firstClass = null;

	for (int i = 0; i < 10; i++) {
		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
		new XmlBeanDefinitionReader(bf).loadBeanDefinitions(OVERRIDES_CONTEXT);

		final Class<?> currentClass = bf.getBean("overrideOneMethod").getClass();
		assertTrue("Method injected bean class [" + currentClass + "] must be a CGLIB enhanced subclass.",
			ClassUtils.isCglibProxyClass(currentClass));

		if (firstClass == null) {
			firstClass = currentClass;
		}
		else {
			assertEquals(firstClass, currentClass);
		}
	}
}
 

void validateEndpointBean(EndpointNameChecker endpointNameChecker,
        String name, Object endpointBean) {
    // Check the bean type instead of the implementation type in
    // case of e.g. proxies
    Class<?> beanType = ClassUtils.getUserClass(endpointBean.getClass());

    String endpointName = Optional
            .ofNullable(beanType.getAnnotation(Endpoint.class))
            .map(Endpoint::value).filter(value -> !value.isEmpty())
            .orElse(beanType.getSimpleName());
    if (endpointName.isEmpty()) {
        throw new IllegalStateException(String.format(
                "A bean with name '%s' and type '%s' is annotated with '%s' "
                        + "annotation but is an anonymous class hence has no name. ",
                name, beanType, Endpoint.class)
                + String.format(
                        "Either modify the bean declaration so that it is not an "
                                + "anonymous class or specify an endpoint " +
                                "name in the '%s' annotation",
                        Endpoint.class));
    }
    String validationError = endpointNameChecker.check(endpointName);
    if (validationError != null) {
        throw new IllegalStateException(
                String.format("Endpoint name '%s' is invalid, reason: '%s'",
                        endpointName, validationError));
    }

    vaadinEndpoints.put(endpointName.toLowerCase(Locale.ENGLISH),
            new VaadinEndpointData(endpointBean, beanType.getMethods()));
}
 

public RateLimiterAopAdvisor(RateLimiterManager rateLimiterManager) {
    setAdvice((MethodBeforeAdvice) (method, args, target) -> {
        String[] names = nameDiscoverer.getParameterNames(method);
        RateLimiter limiter = Optional.ofNullable(AnnotationUtils.findAnnotation(method, RateLimiter.class))
                .orElseGet(() -> AnnotationUtils.findAnnotation(ClassUtils.getUserClass(target), RateLimiter.class));
        if (limiter != null) {
            List<String> keyExpressionList = new ArrayList<>(Arrays.asList(limiter.key()));
            if (keyExpressionList.isEmpty()) {
                keyExpressionList.add(method.toString());
            }
            for (String keyExpress : keyExpressionList) {
                if (keyExpress.contains("${")) {
                    Map<String, Object> params = new HashMap<>();
                    params.put("user", Authentication.current().map(Authentication::getUser).orElse(null));
                    for (int i = 0; i < args.length; i++) {
                        params.put(names.length > i ? names[i] : "arg" + i, args[i]);
                        params.put("arg" + i, args[i]);

                    }
                    keyExpress = ExpressionUtils.analytical(keyExpress, params, "spel");
                }
                log.debug("do rate limiter:[{}]. ", keyExpress);
                boolean success = rateLimiterManager
                        .getRateLimiter(keyExpress, limiter.permits(), limiter.timeUnit())
                        .tryAcquire(limiter.acquire(), limiter.acquireTimeUnit());
                if (!success) {
                    throw new TimeoutException("请求超时");
                }
            }
        }
    });
}
 

@Override
public void setAsText(String text) throws IllegalArgumentException {
	if (StringUtils.hasText(text)) {
		setValue(ClassUtils.resolveClassName(text.trim(), this.classLoader));
	}
	else {
		setValue(null);
	}
}
 

/**
 * Detect the default configuration classes for the supplied test class.
 * <p>The returned class array will contain all static nested classes of
 * the supplied class that meet the requirements for {@code @Configuration}
 * class implementations as specified in the documentation for
 * {@link Configuration @Configuration}.
 * <p>The implementation of this method adheres to the contract defined in the
 * {@link org.springframework.test.context.SmartContextLoader SmartContextLoader}
 * SPI. Specifically, this method uses introspection to detect default
 * configuration classes that comply with the constraints required of
 * {@code @Configuration} class implementations. If a potential candidate
 * configuration class does not meet these requirements, this method will log a
 * debug message, and the potential candidate class will be ignored.
 * @param declaringClass the test class that declared {@code @ContextConfiguration}
 * @return an array of default configuration classes, potentially empty but
 * never {@code null}
 */
public static Class<?>[] detectDefaultConfigurationClasses(Class<?> declaringClass) {
	Assert.notNull(declaringClass, "Declaring class must not be null");

	List<Class<?>> configClasses = new ArrayList<>();

	for (Class<?> candidate : declaringClass.getDeclaredClasses()) {
		if (isDefaultConfigurationClassCandidate(candidate)) {
			configClasses.add(candidate);
		}
		else {
			if (logger.isDebugEnabled()) {
				logger.debug(String.format(
					"Ignoring class [%s]; it must be static, non-private, non-final, and annotated " +
							"with @Configuration to be considered a default configuration class.",
					candidate.getName()));
			}
		}
	}

	if (configClasses.isEmpty()) {
		if (logger.isInfoEnabled()) {
			logger.info(String.format("Could not detect default configuration classes for test class [%s]: " +
					"%s does not declare any static, non-private, non-final, nested classes " +
					"annotated with @Configuration.", declaringClass.getName(), declaringClass.getSimpleName()));
		}
	}

	return ClassUtils.toClassArray(configClasses);
}
 

@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) {
	if (bean instanceof ImportAware) {
		ImportRegistry ir = this.beanFactory.getBean(IMPORT_REGISTRY_BEAN_NAME, ImportRegistry.class);
		AnnotationMetadata importingClass = ir.getImportingClassFor(ClassUtils.getUserClass(bean).getName());
		if (importingClass != null) {
			((ImportAware) bean).setImportMetadata(importingClass);
		}
	}
	return bean;
}
 

@Override
public void autowireBean(Object existingBean) {
	// Use non-singleton bean definition, to avoid registering bean as dependent bean.
	RootBeanDefinition bd = new RootBeanDefinition(ClassUtils.getUserClass(existingBean));
	bd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	bd.allowCaching = ClassUtils.isCacheSafe(bd.getBeanClass(), getBeanClassLoader());
	BeanWrapper bw = new BeanWrapperImpl(existingBean);
	initBeanWrapper(bw);
	populateBean(bd.getBeanClass().getName(), bd, bw);
}
 

/**
 * Create CachedIntrospectionResults for the given bean class.
 * @param beanClass the bean class to analyze
 * @return the corresponding CachedIntrospectionResults
 * @throws BeansException in case of introspection failure
 */
@SuppressWarnings("unchecked")
static CachedIntrospectionResults forClass(Class<?> beanClass) throws BeansException {
	CachedIntrospectionResults results = strongClassCache.get(beanClass);
	if (results != null) {
		return results;
	}
	results = softClassCache.get(beanClass);
	if (results != null) {
		return results;
	}

	results = new CachedIntrospectionResults(beanClass);
	ConcurrentMap<Class<?>, CachedIntrospectionResults> classCacheToUse;

	if (ClassUtils.isCacheSafe(beanClass, CachedIntrospectionResults.class.getClassLoader()) ||
			isClassLoaderAccepted(beanClass.getClassLoader())) {
		classCacheToUse = strongClassCache;
	}
	else {
		if (logger.isDebugEnabled()) {
			logger.debug("Not strongly caching class [" + beanClass.getName() + "] because it is not cache-safe");
		}
		classCacheToUse = softClassCache;
	}

	CachedIntrospectionResults existing = classCacheToUse.putIfAbsent(beanClass, results);
	return (existing != null ? existing : results);
}
 

/**
 * Same signature as {@link #getTransactionAttribute}, but doesn't cache the result.
 * {@link #getTransactionAttribute} is effectively a caching decorator for this method.
 * <p>As of 4.1.8, this method can be overridden.
 * @since 4.1.8
 * @see #getTransactionAttribute
 */
protected TransactionAttribute computeTransactionAttribute(Method method, Class<?> targetClass) {
	// Don't allow no-public methods as required.
	if (allowPublicMethodsOnly() && !Modifier.isPublic(method.getModifiers())) {
		return null;
	}

	// Ignore CGLIB subclasses - introspect the actual user class.
	Class<?> userClass = ClassUtils.getUserClass(targetClass);
	// The method may be on an interface, but we need attributes from the target class.
	// If the target class is null, the method will be unchanged.
	Method specificMethod = ClassUtils.getMostSpecificMethod(method, userClass);
	// If we are dealing with method with generic parameters, find the original method.
	specificMethod = BridgeMethodResolver.findBridgedMethod(specificMethod);

	// First try is the method in the target class.
	TransactionAttribute txAtt = findTransactionAttribute(specificMethod);
	if (txAtt != null) {
		return txAtt;
	}

	// Second try is the transaction attribute on the target class.
	txAtt = findTransactionAttribute(specificMethod.getDeclaringClass());
	if (txAtt != null) {
		return txAtt;
	}

	if (specificMethod != method) {
		// Fallback is to look at the original method.
		txAtt = findTransactionAttribute(method);
		if (txAtt != null) {
			return txAtt;
		}
		// Last fallback is the class of the original method.
		return findTransactionAttribute(method.getDeclaringClass());
	}
	return null;
}
 

/**
 * Get the singleton {@link HsqlEmbeddedDatabaseConfigurer} instance.
 * @return the configurer instance
 * @throws ClassNotFoundException if HSQL is not on the classpath
 */
@SuppressWarnings("unchecked")
public static synchronized HsqlEmbeddedDatabaseConfigurer getInstance() throws ClassNotFoundException {
	if (instance == null) {
		instance = new HsqlEmbeddedDatabaseConfigurer( (Class<? extends Driver>)
				ClassUtils.forName("org.hsqldb.jdbcDriver", HsqlEmbeddedDatabaseConfigurer.class.getClassLoader()));
	}
	return instance;
}
 

@Test
public void testUnqualifiedFileNameFound() throws Exception {
	PropertyEditor fileEditor = new FileEditor();
	String fileName = ClassUtils.classPackageAsResourcePath(getClass()) + "/" +
			ClassUtils.getShortName(getClass()) + ".class";
	fileEditor.setAsText(fileName);
	Object value = fileEditor.getValue();
	assertTrue(value instanceof File);
	File file = (File) value;
	assertTrue(file.exists());
	String absolutePath = file.getAbsolutePath().replace('\\', '/');
	assertTrue(absolutePath.endsWith(fileName));
}
 

@Test
public void testClasspathURL() throws Exception {
	PropertyEditor urlEditor = new URLEditor();
	urlEditor.setAsText("classpath:" + ClassUtils.classPackageAsResourcePath(getClass()) +
			"/" + ClassUtils.getShortName(getClass()) + ".class");
	Object value = urlEditor.getValue();
	assertTrue(value instanceof URL);
	URL url = (URL) value;
	assertEquals(url.toExternalForm(), urlEditor.getAsText());
	assertTrue(!url.getProtocol().startsWith("classpath"));
}
 

/**
 * Return a Collection of ApplicationListeners matching the given
 * event type. Non-matching listeners get excluded early.
 * @param event the event to be propagated. Allows for excluding
 * non-matching listeners early, based on cached matching information.
 * @param eventType the event type
 * @return a Collection of ApplicationListeners
 * @see org.springframework.context.ApplicationListener
 */
protected Collection<ApplicationListener<?>> getApplicationListeners(
		ApplicationEvent event, ResolvableType eventType) {

	Object source = event.getSource();
	Class<?> sourceType = (source != null ? source.getClass() : null);
	ListenerCacheKey cacheKey = new ListenerCacheKey(eventType, sourceType);

	// Quick check for existing entry on ConcurrentHashMap...
	ListenerRetriever retriever = this.retrieverCache.get(cacheKey);
	if (retriever != null) {
		return retriever.getApplicationListeners();
	}

	if (this.beanClassLoader == null ||
			(ClassUtils.isCacheSafe(event.getClass(), this.beanClassLoader) &&
					(sourceType == null || ClassUtils.isCacheSafe(sourceType, this.beanClassLoader)))) {
		// Fully synchronized building and caching of a ListenerRetriever
		synchronized (this.retrievalMutex) {
			retriever = this.retrieverCache.get(cacheKey);
			if (retriever != null) {
				return retriever.getApplicationListeners();
			}
			retriever = new ListenerRetriever(true);
			Collection<ApplicationListener<?>> listeners =
					retrieveApplicationListeners(eventType, sourceType, retriever);
			this.retrieverCache.put(cacheKey, retriever);
			return listeners;
		}
	}
	else {
		// No ListenerRetriever caching -> no synchronization necessary
		return retrieveApplicationListeners(eventType, sourceType, null);
	}
}