Java Code Examples for org.springframework.util.Assert#isAssignable()
The following examples show how to use
org.springframework.util.Assert#isAssignable() .
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Example 1
Source File: HandlerMethodInvoker.java From lams with GNU General Public License v2.0 | 6 votes |
private Class<?> getHttpEntityType(MethodParameter methodParam) { Assert.isAssignable(HttpEntity.class, methodParam.getParameterType()); ParameterizedType type = (ParameterizedType) methodParam.getGenericParameterType(); if (type.getActualTypeArguments().length == 1) { Type typeArgument = type.getActualTypeArguments()[0]; if (typeArgument instanceof Class) { return (Class<?>) typeArgument; } else if (typeArgument instanceof GenericArrayType) { Type componentType = ((GenericArrayType) typeArgument).getGenericComponentType(); if (componentType instanceof Class) { // Surely, there should be a nicer way to do this Object array = Array.newInstance((Class<?>) componentType, 0); return array.getClass(); } } } throw new IllegalArgumentException( "HttpEntity parameter (" + methodParam.getParameterName() + ") is not parameterized"); }
Example 2
Source File: ProtocolPluginHandler.java From graviteeio-access-management with Apache License 2.0 | 6 votes |
@Override public void handle(Plugin plugin) { try { ClassLoader classloader = pluginClassLoaderFactory.getOrCreateClassLoader(plugin, this.getClass().getClassLoader()); final Class<?> protocolClass = classloader.loadClass(plugin.clazz()); LOGGER.info("Register a new protocol plugin: {} [{}]", plugin.id(), plugin.clazz()); Assert.isAssignable(Protocol.class, protocolClass); Protocol protocol = createInstance((Class<Protocol>) protocolClass); protocolPluginManager.register(new ProtocolDefinition(protocol, plugin)); } catch (Exception iae) { LOGGER.error("Unexpected error while router protocol instance", iae); } }
Example 3
Source File: CertificatePluginHandler.java From graviteeio-access-management with Apache License 2.0 | 6 votes |
@Override public void handle(Plugin plugin) { try { ClassLoader classloader = pluginClassLoaderFactory.getOrCreateClassLoader(plugin, this.getClass().getClassLoader()); final Class<?> certificateClass = classloader.loadClass(plugin.clazz()); LOGGER.info("Register a new certificate plugin: {} [{}]", plugin.id(), plugin.clazz()); Assert.isAssignable(Certificate.class, certificateClass); Certificate certificate = createInstance((Class<Certificate>) certificateClass); certificatePluginManager.register(new CertificateDefinition(certificate, plugin)); } catch (Exception iae) { LOGGER.error("Unexpected error while create certificate instance", iae); } }
Example 4
Source File: TypeMappedAnnotation.java From spring-analysis-note with MIT License | 5 votes |
@Override @SuppressWarnings("unchecked") public <T extends Annotation> MergedAnnotation<T> getAnnotation(String attributeName, Class<T> type) throws NoSuchElementException { int attributeIndex = getAttributeIndex(attributeName, true); Method attribute = this.mapping.getAttributes().get(attributeIndex); Assert.notNull(type, "Type must not be null"); Assert.isAssignable(type, attribute.getReturnType(), () -> "Attribute " + attributeName + " type mismatch:"); return (MergedAnnotation<T>) getRequiredValue(attributeIndex, attributeName); }
Example 5
Source File: AbstractContextLoader.java From spring4-understanding with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") private void invokeApplicationContextInitializers(ConfigurableApplicationContext context, MergedContextConfiguration mergedConfig) { Set<Class<? extends ApplicationContextInitializer<? extends ConfigurableApplicationContext>>> initializerClasses = mergedConfig.getContextInitializerClasses(); if (initializerClasses.isEmpty()) { // no ApplicationContextInitializers have been declared -> nothing to do return; } List<ApplicationContextInitializer<ConfigurableApplicationContext>> initializerInstances = new ArrayList<ApplicationContextInitializer<ConfigurableApplicationContext>>(); Class<?> contextClass = context.getClass(); for (Class<? extends ApplicationContextInitializer<? extends ConfigurableApplicationContext>> initializerClass : initializerClasses) { Class<?> initializerContextClass = GenericTypeResolver.resolveTypeArgument(initializerClass, ApplicationContextInitializer.class); Assert.isAssignable(initializerContextClass, contextClass, String.format( "Could not add context initializer [%s] since its generic parameter [%s] " + "is not assignable from the type of application context used by this " + "context loader [%s]: ", initializerClass.getName(), initializerContextClass.getName(), contextClass.getName())); initializerInstances.add((ApplicationContextInitializer<ConfigurableApplicationContext>) BeanUtils.instantiateClass(initializerClass)); } AnnotationAwareOrderComparator.sort(initializerInstances); for (ApplicationContextInitializer<ConfigurableApplicationContext> initializer : initializerInstances) { initializer.initialize(context); } }
Example 6
Source File: TestUtils.java From spring-cloud-stream with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <T> T getPropertyValue(Object root, String propertyPath, Class<T> type) { Object value = getPropertyValue(root, propertyPath); if (value != null) { Assert.isAssignable(type, value.getClass()); } return (T) value; }
Example 7
Source File: TypeDescriptor.java From spring-analysis-note with MIT License | 5 votes |
/** * Cast this {@link TypeDescriptor} to a superclass or implemented interface * preserving annotations and nested type context. * @param superType the super type to cast to (can be {@code null}) * @return a new TypeDescriptor for the up-cast type * @throws IllegalArgumentException if this type is not assignable to the super-type * @since 3.2 */ @Nullable public TypeDescriptor upcast(@Nullable Class<?> superType) { if (superType == null) { return null; } Assert.isAssignable(superType, getType()); return new TypeDescriptor(getResolvableType().as(superType), superType, getAnnotations()); }
Example 8
Source File: TypeMappedAnnotation.java From spring-analysis-note with MIT License | 5 votes |
@Override @SuppressWarnings("unchecked") public <T extends Annotation> MergedAnnotation<T>[] getAnnotationArray( String attributeName, Class<T> type) throws NoSuchElementException { int attributeIndex = getAttributeIndex(attributeName, true); Method attribute = this.mapping.getAttributes().get(attributeIndex); Class<?> componentType = attribute.getReturnType().getComponentType(); Assert.notNull(type, "Type must not be null"); Assert.notNull(componentType, () -> "Attribute " + attributeName + " is not an array"); Assert.isAssignable(type, componentType, () -> "Attribute " + attributeName + " component type mismatch:"); return (MergedAnnotation<T>[]) getRequiredValue(attributeIndex, attributeName); }
Example 9
Source File: AbstractCondition.java From mongodb-aggregate-query-support with Apache License 2.0 | 5 votes |
protected Object getParameterByIndex(ConditionContext conditionContext, AnnotatedTypeMetadata annotatedTypeMetadata) { Assert.isAssignable(AggregateQueryMethodConditionContext.class, conditionContext.getClass()); AggregateQueryMethodConditionContext ctx = (AggregateQueryMethodConditionContext) conditionContext; List<Object> parameters = ctx.getParameterValues(); int parameterIndex = getParameterIndex(annotatedTypeMetadata); int paramCount = parameters.size(); if (parameterIndex < paramCount) { return parameters.get(parameterIndex); } throw new IllegalArgumentException("Argument index " + parameterIndex + " out of bounds, max count: " + paramCount); }
Example 10
Source File: Jackson2CborDecoder.java From spring-analysis-note with MIT License | 4 votes |
public Jackson2CborDecoder(ObjectMapper mapper, MimeType... mimeTypes) { super(mapper, mimeTypes); Assert.isAssignable(CBORFactory.class, mapper.getFactory().getClass()); }
Example 11
Source File: Jackson2SmileDecoder.java From spring-analysis-note with MIT License | 4 votes |
public Jackson2SmileDecoder(ObjectMapper mapper, MimeType... mimeTypes) { super(mapper, mimeTypes); Assert.isAssignable(SmileFactory.class, mapper.getFactory().getClass()); }
Example 12
Source File: AbstractBeanFactory.java From spring4-understanding with Apache License 2.0 | 4 votes |
@Override public void registerCustomEditor(Class<?> requiredType, Class<? extends PropertyEditor> propertyEditorClass) { Assert.notNull(requiredType, "Required type must not be null"); Assert.isAssignable(PropertyEditor.class, propertyEditorClass); this.customEditors.put(requiredType, propertyEditorClass); }
Example 13
Source File: MappingJackson2XmlHttpMessageConverter.java From spring4-understanding with Apache License 2.0 | 4 votes |
/** * {@inheritDoc} * The {@code objectMapper} parameter must be a {@link XmlMapper} instance. */ @Override public void setObjectMapper(ObjectMapper objectMapper) { Assert.isAssignable(XmlMapper.class, objectMapper.getClass()); super.setObjectMapper(objectMapper); }
Example 14
Source File: RepositoryPluginHandler.java From gravitee-gateway with Apache License 2.0 | 4 votes |
@Override public void handle(Plugin plugin) { try { ClassLoader classloader = pluginClassLoaderFactory.getOrCreateClassLoader(plugin, this.getClass().getClassLoader()); final Class<?> repositoryClass = classloader.loadClass(plugin.clazz()); LOGGER.info("Register a new repository plugin: {} [{}]", plugin.id(), plugin.clazz()); Assert.isAssignable(Repository.class, repositoryClass); Repository repository = createInstance((Class<Repository>) repositoryClass); for(Scope scope : repository.scopes()) { if (! repositories.containsKey(scope)) { String requiredRepositoryType = repositoryTypeByScope.get(scope); // Load only repository plugin for a given scope (provided in the configuration) if (repository.type().equalsIgnoreCase(requiredRepositoryType)) { boolean loaded = false; int tries = 0; while (! loaded) { if (tries > 0) { // Wait for 5 seconds before giving an other try Thread.sleep(5000); } loaded = loadRepository(scope, repository, plugin); tries++; if (! loaded) { LOGGER.error("Unable to load repository {} for scope {}. Retry in 5 seconds...", scope, plugin.id()); } } } else { LOGGER.debug("Scoped repository [{}] must be loaded by {}. Skipping registration", scope, requiredRepositoryType); } } else { LOGGER.warn("Repository scope {} already loaded by {}", scope, repositories.get(scope)); } } } catch (Exception iae) { LOGGER.error("Unexpected error while create repository instance", iae); } }
Example 15
Source File: Jackson2SmileEncoder.java From java-technology-stack with MIT License | 4 votes |
public Jackson2SmileEncoder(ObjectMapper mapper, MimeType... mimeTypes) { super(mapper, mimeTypes); Assert.isAssignable(SmileFactory.class, mapper.getFactory().getClass()); setStreamingMediaTypes(Collections.singletonList(new MediaType("application", "stream+x-jackson-smile"))); }
Example 16
Source File: ComponentScanAnnotationParser.java From lams with GNU General Public License v2.0 | 4 votes |
private List<TypeFilter> typeFiltersFor(AnnotationAttributes filterAttributes) { List<TypeFilter> typeFilters = new ArrayList<TypeFilter>(); FilterType filterType = filterAttributes.getEnum("type"); for (Class<?> filterClass : filterAttributes.getClassArray("classes")) { switch (filterType) { case ANNOTATION: Assert.isAssignable(Annotation.class, filterClass, "@ComponentScan ANNOTATION type filter requires an annotation type"); @SuppressWarnings("unchecked") Class<Annotation> annotationType = (Class<Annotation>) filterClass; typeFilters.add(new AnnotationTypeFilter(annotationType)); break; case ASSIGNABLE_TYPE: typeFilters.add(new AssignableTypeFilter(filterClass)); break; case CUSTOM: Assert.isAssignable(TypeFilter.class, filterClass, "@ComponentScan CUSTOM type filter requires a TypeFilter implementation"); TypeFilter filter = BeanUtils.instantiateClass(filterClass, TypeFilter.class); ParserStrategyUtils.invokeAwareMethods( filter, this.environment, this.resourceLoader, this.registry); typeFilters.add(filter); break; default: throw new IllegalArgumentException("Filter type not supported with Class value: " + filterType); } } for (String expression : filterAttributes.getStringArray("pattern")) { switch (filterType) { case ASPECTJ: typeFilters.add(new AspectJTypeFilter(expression, this.resourceLoader.getClassLoader())); break; case REGEX: typeFilters.add(new RegexPatternTypeFilter(Pattern.compile(expression))); break; default: throw new IllegalArgumentException("Filter type not supported with String pattern: " + filterType); } } return typeFilters; }
Example 17
Source File: AbstractEntityManagerFactoryBean.java From spring4-understanding with Apache License 2.0 | 2 votes |
/** * Set the PersistenceProvider implementation class to use for creating the * EntityManagerFactory. If not specified, the persistence provider will be * taken from the JpaVendorAdapter (if any) or retrieved through scanning * (as far as possible). * @see JpaVendorAdapter#getPersistenceProvider() * @see javax.persistence.spi.PersistenceProvider * @see javax.persistence.Persistence */ public void setPersistenceProviderClass(Class<? extends PersistenceProvider> persistenceProviderClass) { Assert.isAssignable(PersistenceProvider.class, persistenceProviderClass); this.persistenceProvider = BeanUtils.instantiateClass(persistenceProviderClass); }
Example 18
Source File: BeanUtils.java From spring-analysis-note with MIT License | 2 votes |
/** * Instantiate a class using its no-arg constructor and return the new instance * as the specified assignable type. * <p>Useful in cases where the type of the class to instantiate (clazz) is not * available, but the type desired (assignableTo) is known. * <p>Note that this method tries to set the constructor accessible if given a * non-accessible (that is, non-public) constructor. * @param clazz class to instantiate * @param assignableTo type that clazz must be assignableTo * @return the new instance * @throws BeanInstantiationException if the bean cannot be instantiated * @see Constructor#newInstance */ @SuppressWarnings("unchecked") public static <T> T instantiateClass(Class<?> clazz, Class<T> assignableTo) throws BeanInstantiationException { Assert.isAssignable(assignableTo, clazz); return (T) instantiateClass(clazz); }
Example 19
Source File: BeanUtils.java From java-technology-stack with MIT License | 2 votes |
/** * Instantiate a class using its no-arg constructor and return the new instance * as the specified assignable type. * <p>Useful in cases where the type of the class to instantiate (clazz) is not * available, but the type desired (assignableTo) is known. * <p>Note that this method tries to set the constructor accessible if given a * non-accessible (that is, non-public) constructor. * @param clazz class to instantiate * @param assignableTo type that clazz must be assignableTo * @return the new instance * @throws BeanInstantiationException if the bean cannot be instantiated * @see Constructor#newInstance */ @SuppressWarnings("unchecked") public static <T> T instantiateClass(Class<?> clazz, Class<T> assignableTo) throws BeanInstantiationException { Assert.isAssignable(assignableTo, clazz); return (T) instantiateClass(clazz); }
Example 20
Source File: BeanUtils.java From lams with GNU General Public License v2.0 | 2 votes |
/** * Instantiate a class using its no-arg constructor and return the new instance * as the specified assignable type. * <p>Useful in cases where the type of the class to instantiate (clazz) is not * available, but the type desired (assignableTo) is known. * <p>Note that this method tries to set the constructor accessible if given a * non-accessible (that is, non-public) constructor. * @param clazz class to instantiate * @param assignableTo type that clazz must be assignableTo * @return the new instance * @throws BeanInstantiationException if the bean cannot be instantiated * @see Constructor#newInstance */ @SuppressWarnings("unchecked") public static <T> T instantiateClass(Class<?> clazz, Class<T> assignableTo) throws BeanInstantiationException { Assert.isAssignable(assignableTo, clazz); return (T) instantiateClass(clazz); }