org.springframework.core.type.filter.AspectJTypeFilter#org.springframework.core.type.classreading.SimpleMetadataReaderFactory源码实例Demo

@Test
public void selectImports() throws Exception {
    assertThat(imports.selectImports(metadata).length, is(0));

    when(metadata.getAnnotationAttributes(EnableContextPropagation.class.getName(), true)).thenReturn(null);
    assertThat(imports.selectImports(metadata).length, is(0));

    assertThat(imports.selectImports(metadata).length, is(0));

    List<String> actual = Arrays.asList(imports.selectImports(new SimpleMetadataReaderFactory().getMetadataReader(Annotated.class.getName()).getAnnotationMetadata()));
    assertThat(actual, Matchers.containsInAnyOrder(
            PreservesHeadersInboundHttpRequestStrategy.class.getName(),
            PreservesHttpHeadersFeignStrategy.class.getName(),
            PreservesExecutionContextExecutorStrategy.class.getName(),
            PreservesHttpHeadersZuulStrategy.class.getName(),
            PreservesExecutionContextHystrixStrategy.class.getName(),
            PreservesJmsMessagePropertiesStrategy.class.getName(),
            PreservesStompHeadersStrategy.class.getName()
    ));
}
 

@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) {
	SimpleMetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory(applicationContext);
	DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) beanFactory;
	String resolvedPath = resolvePackageToScan();
	logger.debug("Scanning '{}' for JSON-RPC service interfaces.", resolvedPath);
	try {
		for (Resource resource : applicationContext.getResources(resolvedPath)) {
			if (resource.isReadable()) {
				MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(resource);
				ClassMetadata classMetadata = metadataReader.getClassMetadata();
				AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
				String jsonRpcPathAnnotation = JsonRpcService.class.getName();
				if (annotationMetadata.isAnnotated(jsonRpcPathAnnotation)) {
					String className = classMetadata.getClassName();
					String path = (String) annotationMetadata.getAnnotationAttributes(jsonRpcPathAnnotation).get("value");
					logger.debug("Found JSON-RPC service to proxy [{}] on path '{}'.", className, path);
					registerJsonProxyBean(defaultListableBeanFactory, className, path);
				}
			}
		}
	} catch (IOException e) {
		throw new IllegalStateException(format("Cannot scan package '%s' for classes.", resolvedPath), e);
	}
}
 

@Test
public void customRequestScopeViaAsm() throws IOException {
	MetadataReaderFactory readerFactory = new SimpleMetadataReaderFactory();
	MetadataReader reader = readerFactory.getMetadataReader(AnnotatedWithCustomRequestScope.class.getName());
	AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(reader.getAnnotationMetadata());
	ScopeMetadata scopeMetadata = this.scopeMetadataResolver.resolveScopeMetadata(bd);
	assertNotNull("resolveScopeMetadata(..) must *never* return null.", scopeMetadata);
	assertEquals("request", scopeMetadata.getScopeName());
	assertEquals(NO, scopeMetadata.getScopedProxyMode());
}
 

@Test
public void customRequestScopeWithAttributeViaAsm() throws IOException {
	MetadataReaderFactory readerFactory = new SimpleMetadataReaderFactory();
	MetadataReader reader = readerFactory.getMetadataReader(AnnotatedWithCustomRequestScopeWithAttributeOverride.class.getName());
	AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(reader.getAnnotationMetadata());
	ScopeMetadata scopeMetadata = this.scopeMetadataResolver.resolveScopeMetadata(bd);
	assertNotNull("resolveScopeMetadata(..) must *never* return null.", scopeMetadata);
	assertEquals("request", scopeMetadata.getScopeName());
	assertEquals(TARGET_CLASS, scopeMetadata.getScopedProxyMode());
}
 

@Test
public void testDirectAnnotationMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeComponent";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testInheritedAnnotationFromInterfaceDoesNotMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeClassWithSomeComponentInterface";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	// Must fail as annotation on interfaces should not be considered a match
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testInheritedAnnotationFromBaseClassDoesMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubclassOfSomeComponent";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testNonInheritedAnnotationDoesNotMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubclassOfSomeClassMarkedWithNonInheritedAnnotation";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(NonInheritedAnnotation.class);
	// Must fail as annotation isn't inherited
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testNonAnnotatedClassDoesntMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeNonCandidateClass";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(Component.class);
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testMatchesInterfacesIfConfigured() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeClassWithSomeComponentInterface";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class, false, true);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void asmAnnotationMetadata() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(AnnotatedComponent.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	doTestAnnotationInfo(metadata);
	doTestMethodAnnotationInfo(metadata);
}
 

@Test
public void asmAnnotationMetadataForSubclass() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(AnnotatedComponentSubClass.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	doTestSubClassAnnotationInfo(metadata);
}
 

@Test
public void asmAnnotationMetadataForInterface() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(AnnotationMetadata.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	doTestMetadataForInterfaceClass(metadata);
}
 

@Test
public void asmAnnotationMetadataForAnnotation() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(Component.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	doTestMetadataForAnnotationClass(metadata);
}
 

@Test
public void metaAnnotationOverridesUsingAnnotationMetadataReadingVisitor() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(ComposedConfigurationWithAttributeOverridesClass.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	assertMetaAnnotationOverrides(metadata);
}
 

@Test  // SPR-11649
public void multipleAnnotationsWithIdenticalAttributeNamesUsingAnnotationMetadataReadingVisitor() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(NamedAnnotationsClass.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
}
 

@Test  // SPR-11649
public void composedAnnotationWithMetaAnnotationsWithIdenticalAttributeNamesUsingAnnotationMetadataReadingVisitor() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(NamedComposedAnnotationClass.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
}
 

@Test
public void inheritedAnnotationWithMetaAnnotationsWithIdenticalAttributeNamesUsingAnnotationMetadataReadingVisitor() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(NamedComposedAnnotationExtended.class.getName());
	AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
	assertFalse(metadata.hasAnnotation(NamedComposedAnnotation.class.getName()));
}
 

@Test
public void directMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AssignableTypeFilterTests$TestNonInheritingClass";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AssignableTypeFilter matchingFilter = new AssignableTypeFilter(TestNonInheritingClass.class);
	AssignableTypeFilter notMatchingFilter = new AssignableTypeFilter(TestInterface.class);
	assertFalse(notMatchingFilter.match(metadataReader, metadataReaderFactory));
	assertTrue(matchingFilter.match(metadataReader, metadataReaderFactory));
}
 

@Test
public void interfaceMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AssignableTypeFilterTests$TestInterfaceImpl";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AssignableTypeFilter filter = new AssignableTypeFilter(TestInterface.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void superClassMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AssignableTypeFilterTests$SomeDaoLikeImpl";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AssignableTypeFilter filter = new AssignableTypeFilter(SimpleJdbcDaoSupport.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void interfaceThroughSuperClassMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AssignableTypeFilterTests$SomeDaoLikeImpl";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AssignableTypeFilter filter = new AssignableTypeFilter(JdbcDaoSupport.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

private void assertMatch(String type, String typePattern) throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type);

	AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader());
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(type);
}
 

private void assertNoMatch(String type, String typePattern) throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type);

	AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader());
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(type);
}
 

@Test
public void customRequestScopeViaAsm() throws IOException {
	MetadataReaderFactory readerFactory = new SimpleMetadataReaderFactory();
	MetadataReader reader = readerFactory.getMetadataReader(AnnotatedWithCustomRequestScope.class.getName());
	AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(reader.getAnnotationMetadata());
	ScopeMetadata scopeMetadata = this.scopeMetadataResolver.resolveScopeMetadata(bd);
	assertNotNull("resolveScopeMetadata(..) must *never* return null.", scopeMetadata);
	assertEquals("request", scopeMetadata.getScopeName());
	assertEquals(NO, scopeMetadata.getScopedProxyMode());
}
 

@Test
public void customRequestScopeWithAttributeViaAsm() throws IOException {
	MetadataReaderFactory readerFactory = new SimpleMetadataReaderFactory();
	MetadataReader reader = readerFactory.getMetadataReader(AnnotatedWithCustomRequestScopeWithAttributeOverride.class.getName());
	AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(reader.getAnnotationMetadata());
	ScopeMetadata scopeMetadata = this.scopeMetadataResolver.resolveScopeMetadata(bd);
	assertNotNull("resolveScopeMetadata(..) must *never* return null.", scopeMetadata);
	assertEquals("request", scopeMetadata.getScopeName());
	assertEquals(TARGET_CLASS, scopeMetadata.getScopedProxyMode());
}
 

@Test
public void testDirectAnnotationMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeComponent";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testInheritedAnnotationFromInterfaceDoesNotMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeClassWithSomeComponentInterface";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	// Must fail as annotation on interfaces should not be considered a match
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testInheritedAnnotationFromBaseClassDoesMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubclassOfSomeComponent";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
	assertTrue(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
 

@Test
public void testNonInheritedAnnotationDoesNotMatch() throws Exception {
	MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
	String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubclassOfSomeClassMarkedWithNonInheritedAnnotation";
	MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);

	AnnotationTypeFilter filter = new AnnotationTypeFilter(NonInheritedAnnotation.class);
	// Must fail as annotation isn't inherited
	assertFalse(filter.match(metadataReader, metadataReaderFactory));
	ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}