@Override
public String[] selectImports(AnnotationMetadata metadata) {
try {
AnnotationAttributes attributes =
AnnotationAttributes.fromMap(
metadata.getAnnotationAttributes(EnableAutoConfiguration.class.getName(), true));
Assert.notNull(
attributes,
"No auto-configuration attributes found. Is "
+ metadata.getClassName()
+ " annotated with @EnableAutoConfiguration?");
// Find all possible auto configuration classes, filtering duplicates
List<String> factories =
new ArrayList<String>(
new LinkedHashSet<String>(
SpringFactoriesLoader.loadFactoryNames(
EnableAutoConfiguration.class, this.beanClassLoader)));
// Remove those specifically excluded
Set<String> excluded = new LinkedHashSet<String>();
excluded.addAll(Arrays.asList(attributes.getStringArray("exclude")));
excluded.addAll(Arrays.asList(attributes.getStringArray("excludeName")));
factories.removeAll(excluded);
ConditionEvaluationReport.get(this.beanFactory).recordExclusions(excluded);
// Sort
factories = new AutoConfigurationSorter(this.resourceLoader).getInPriorityOrder(factories);
return factories.toArray(new String[factories.size()]);
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
private void assertMetaAnnotationOverrides(AnnotationMetadata metadata) {
AnnotationAttributes attributes =
(AnnotationAttributes)
metadata.getAnnotationAttributes(TestComponentScan.class.getName(), false);
String[] basePackages = attributes.getStringArray("basePackages");
assertThat("length of basePackages[]", basePackages.length, is(1));
assertThat("basePackages[0]", basePackages[0], is("org.example.componentscan"));
String[] value = attributes.getStringArray("value");
assertThat("length of value[]", value.length, is(0));
Class<?>[] basePackageClasses = attributes.getClassArray("basePackageClasses");
assertThat("length of basePackageClasses[]", basePackageClasses.length, is(0));
}
/**
* Determine whether the given class does not match any exclude filter and does match at least one
* include filter.
*
* @param metadataReader the ASM ClassReader for the class
* @return whether the class qualifies as a candidate component
*/
protected boolean isCandidateComponent(MetadataReader metadataReader) throws IOException {
for (TypeFilter tf : this.excludeFilters) {
if (tf.match(metadataReader, this.metadataReaderFactory)) {
return false;
}
}
for (TypeFilter tf : this.includeFilters) {
if (tf.match(metadataReader, this.metadataReaderFactory)) {
AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
if (!metadata.isAnnotated(Profile.class.getName())) {
return true;
}
AnnotationAttributes profile = MetadataUtils.attributesFor(metadata, Profile.class);
return this.environment.acceptsProfiles(profile.getStringArray("value"));
}
}
return false;
}
@Test
public void overriddenContextConfigurationLocationsAndInheritLocations() throws Exception {
Class<?> declaringClass = OverriddenMetaLocationsConfigTestCase.class;
AnnotationDescriptor<ContextConfiguration> descriptor =
findAnnotationDescriptor(declaringClass, ContextConfiguration.class);
assertNotNull(descriptor);
assertEquals(declaringClass, descriptor.getRootDeclaringClass());
assertEquals(MetaLocationsConfig.class, descriptor.getComposedAnnotationType());
assertEquals(ContextConfiguration.class, descriptor.getAnnotationType());
assertNotNull(descriptor.getComposedAnnotation());
assertEquals(MetaLocationsConfig.class, descriptor.getComposedAnnotationType());
// direct access to annotation attributes:
assertArrayEquals(new String[] {"foo.xml"}, descriptor.getAnnotation().locations());
assertFalse(descriptor.getAnnotation().inheritLocations());
// overridden attributes:
AnnotationAttributes attributes = descriptor.getAnnotationAttributes();
assertArrayEquals(new String[] {"bar.xml"}, attributes.getStringArray("locations"));
assertTrue(attributes.getBoolean("inheritLocations"));
}
/**
* Process the given <code>@PropertySource</code> annotation metadata.
*
* @param propertySource metadata for the <code>@PropertySource</code> annotation found
* @throws IOException if loading a property source failed
*/
private void processPropertySource(AnnotationAttributes propertySource) throws IOException {
String name = propertySource.getString("name");
String encoding = propertySource.getString("encoding");
String[] locations = propertySource.getStringArray("value");
boolean ignoreResourceNotFound = propertySource.getBoolean("ignoreResourceNotFound");
Assert.isTrue(locations.length > 0, "At least one @PropertySource(value) location is required");
for (String location : locations) {
try {
String resolvedLocation = this.environment.resolveRequiredPlaceholders(location);
Resource resource = this.resourceLoader.getResource(resolvedLocation);
addPropertySource(createPropertySource(name, encoding, resource));
} catch (IllegalArgumentException ex) {
// from resolveRequiredPlaceholders
if (!ignoreResourceNotFound) {
throw ex;
}
} catch (FileNotFoundException ex) {
// from ResourcePropertySource constructor
if (!ignoreResourceNotFound) {
throw ex;
}
}
}
}
@Test
public void overriddenContextConfigurationValue() throws Exception {
Class<?> declaringClass = OverriddenMetaValueConfigTestCase.class;
AnnotationDescriptor<ContextConfiguration> descriptor =
findAnnotationDescriptor(declaringClass, ContextConfiguration.class);
assertNotNull(descriptor);
assertEquals(declaringClass, descriptor.getRootDeclaringClass());
assertEquals(MetaValueConfig.class, descriptor.getComposedAnnotationType());
assertEquals(ContextConfiguration.class, descriptor.getAnnotationType());
assertNotNull(descriptor.getComposedAnnotation());
assertEquals(MetaValueConfig.class, descriptor.getComposedAnnotationType());
// direct access to annotation value:
assertArrayEquals(new String[] {"foo.xml"}, descriptor.getAnnotation().value());
// overridden attribute:
AnnotationAttributes attributes = descriptor.getAnnotationAttributes();
// NOTE: we would like to be able to override the 'value' attribute; however,
// Spring currently does not allow overrides for the 'value' attribute.
// TODO Determine if Spring should allow overrides for the 'value' attribute in
// custom annotations.
assertArrayEquals(new String[] {"foo.xml"}, attributes.getStringArray("value"));
}
private void doTestAnnotationInfo(AnnotationMetadata metadata) {
assertThat(metadata.getClassName(), is(AnnotatedComponent.class.getName()));
assertThat(metadata.isInterface(), is(false));
assertThat(metadata.isAnnotation(), is(false));
assertThat(metadata.isAbstract(), is(false));
assertThat(metadata.isConcrete(), is(true));
assertThat(metadata.hasSuperClass(), is(true));
assertThat(metadata.getSuperClassName(), is(Object.class.getName()));
assertThat(metadata.getInterfaceNames().length, is(1));
assertThat(metadata.getInterfaceNames()[0], is(Serializable.class.getName()));
assertThat(metadata.hasAnnotation(Component.class.getName()), is(true));
assertThat(metadata.hasAnnotation(Scope.class.getName()), is(true));
assertThat(metadata.hasAnnotation(SpecialAttr.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().size(), is(6));
assertThat(metadata.getAnnotationTypes().contains(Component.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().contains(Scope.class.getName()), is(true));
assertThat(metadata.getAnnotationTypes().contains(SpecialAttr.class.getName()), is(true));
AnnotationAttributes compAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(Component.class.getName());
assertThat(compAttrs.size(), is(1));
assertThat(compAttrs.getString("value"), is("myName"));
AnnotationAttributes scopeAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(Scope.class.getName());
assertThat(scopeAttrs.size(), is(1));
assertThat(scopeAttrs.getString("value"), is("myScope"));
Set<MethodMetadata> methods = metadata.getAnnotatedMethods(DirectAnnotation.class.getName());
MethodMetadata method = methods.iterator().next();
assertEquals(
"direct", method.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
List<Object> allMeta =
method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta = method.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
assertTrue(metadata.isAnnotated(IsAnnotatedAnnotation.class.getName()));
{ // perform tests with classValuesAsString = false (the default)
AnnotationAttributes specialAttrs =
(AnnotationAttributes) metadata.getAnnotationAttributes(SpecialAttr.class.getName());
assertThat(specialAttrs.size(), is(6));
assertTrue(String.class.isAssignableFrom(specialAttrs.getClass("clazz")));
assertTrue(specialAttrs.getEnum("state").equals(Thread.State.NEW));
AnnotationAttributes nestedAnno = specialAttrs.getAnnotation("nestedAnno");
assertThat("na", is(nestedAnno.getString("value")));
assertTrue(nestedAnno.getEnum("anEnum").equals(SomeEnum.LABEL1));
assertArrayEquals(new Class[] {String.class}, (Class[]) nestedAnno.get("classArray"));
AnnotationAttributes[] nestedAnnoArray = specialAttrs.getAnnotationArray("nestedAnnoArray");
assertThat(nestedAnnoArray.length, is(2));
assertThat(nestedAnnoArray[0].getString("value"), is("default"));
assertTrue(nestedAnnoArray[0].getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) nestedAnnoArray[0].get("classArray"));
assertThat(nestedAnnoArray[1].getString("value"), is("na1"));
assertTrue(nestedAnnoArray[1].getEnum("anEnum").equals(SomeEnum.LABEL2));
assertArrayEquals(new Class[] {Number.class}, (Class[]) nestedAnnoArray[1].get("classArray"));
assertArrayEquals(new Class[] {Number.class}, nestedAnnoArray[1].getClassArray("classArray"));
AnnotationAttributes optional = specialAttrs.getAnnotation("optional");
assertThat(optional.getString("value"), is("optional"));
assertTrue(optional.getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) optional.get("classArray"));
assertArrayEquals(new Class[] {Void.class}, optional.getClassArray("classArray"));
AnnotationAttributes[] optionalArray = specialAttrs.getAnnotationArray("optionalArray");
assertThat(optionalArray.length, is(1));
assertThat(optionalArray[0].getString("value"), is("optional"));
assertTrue(optionalArray[0].getEnum("anEnum").equals(SomeEnum.DEFAULT));
assertArrayEquals(new Class[] {Void.class}, (Class[]) optionalArray[0].get("classArray"));
assertArrayEquals(new Class[] {Void.class}, optionalArray[0].getClassArray("classArray"));
assertEquals(
"direct",
metadata.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"));
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta),
is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
allMeta =
metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("additional");
assertThat(new HashSet<>(allMeta), is(equalTo(new HashSet<Object>(Arrays.asList("direct")))));
}
{ // perform tests with classValuesAsString = true
AnnotationAttributes specialAttrs =
(AnnotationAttributes)
metadata.getAnnotationAttributes(SpecialAttr.class.getName(), true);
assertThat(specialAttrs.size(), is(6));
assertThat(specialAttrs.get("clazz"), is((Object) String.class.getName()));
assertThat(specialAttrs.getString("clazz"), is(String.class.getName()));
AnnotationAttributes nestedAnno = specialAttrs.getAnnotation("nestedAnno");
assertArrayEquals(
new String[] {String.class.getName()}, nestedAnno.getStringArray("classArray"));
assertArrayEquals(
new String[] {String.class.getName()}, nestedAnno.getStringArray("classArray"));
AnnotationAttributes[] nestedAnnoArray = specialAttrs.getAnnotationArray("nestedAnnoArray");
assertArrayEquals(
new String[] {Void.class.getName()}, (String[]) nestedAnnoArray[0].get("classArray"));
assertArrayEquals(
new String[] {Void.class.getName()}, nestedAnnoArray[0].getStringArray("classArray"));
assertArrayEquals(
new String[] {Number.class.getName()}, (String[]) nestedAnnoArray[1].get("classArray"));
assertArrayEquals(
new String[] {Number.class.getName()}, nestedAnnoArray[1].getStringArray("classArray"));
AnnotationAttributes optional = specialAttrs.getAnnotation("optional");
assertArrayEquals(new String[] {Void.class.getName()}, (String[]) optional.get("classArray"));
assertArrayEquals(new String[] {Void.class.getName()}, optional.getStringArray("classArray"));
AnnotationAttributes[] optionalArray = specialAttrs.getAnnotationArray("optionalArray");
assertArrayEquals(
new String[] {Void.class.getName()}, (String[]) optionalArray[0].get("classArray"));
assertArrayEquals(
new String[] {Void.class.getName()}, optionalArray[0].getStringArray("classArray"));
assertEquals(
metadata.getAnnotationAttributes(DirectAnnotation.class.getName()).get("value"),
"direct");
allMeta = metadata.getAllAnnotationAttributes(DirectAnnotation.class.getName()).get("value");
assertThat(
new HashSet<>(allMeta),
is(equalTo(new HashSet<Object>(Arrays.asList("direct", "meta")))));
}
}
/**
* Read the given {@link BeanMethod}, registering bean definitions with the BeanDefinitionRegistry
* based on its contents.
*/
private void loadBeanDefinitionsForBeanMethod(BeanMethod beanMethod) {
ConfigurationClass configClass = beanMethod.getConfigurationClass();
MethodMetadata metadata = beanMethod.getMetadata();
String methodName = metadata.getMethodName();
// Do we need to mark the bean as skipped by its condition?
if (this.conditionEvaluator.shouldSkip(metadata, ConfigurationPhase.REGISTER_BEAN)) {
configClass.skippedBeanMethods.add(methodName);
return;
}
if (configClass.skippedBeanMethods.contains(methodName)) {
return;
}
// Consider name and any aliases
AnnotationAttributes bean = AnnotationConfigUtils.attributesFor(metadata, Bean.class);
List<String> names = new ArrayList<String>(Arrays.asList(bean.getStringArray("name")));
String beanName = (names.size() > 0 ? names.remove(0) : methodName);
// Register aliases even when overridden
for (String alias : names) {
this.registry.registerAlias(beanName, alias);
}
// Has this effectively been overridden before (e.g. via XML)?
if (isOverriddenByExistingDefinition(beanMethod, beanName)) {
return;
}
ConfigurationClassBeanDefinition beanDef =
new ConfigurationClassBeanDefinition(configClass, metadata);
beanDef.setResource(configClass.getResource());
beanDef.setSource(this.sourceExtractor.extractSource(metadata, configClass.getResource()));
if (metadata.isStatic()) {
// static @Bean method
beanDef.setBeanClassName(configClass.getMetadata().getClassName());
beanDef.setFactoryMethodName(methodName);
} else {
// instance @Bean method
beanDef.setFactoryBeanName(configClass.getBeanName());
beanDef.setUniqueFactoryMethodName(methodName);
}
beanDef.setAutowireMode(RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
beanDef.setAttribute(
RequiredAnnotationBeanPostProcessor.SKIP_REQUIRED_CHECK_ATTRIBUTE, Boolean.TRUE);
AnnotationConfigUtils.processCommonDefinitionAnnotations(beanDef, metadata);
Autowire autowire = bean.getEnum("autowire");
if (autowire.isAutowire()) {
beanDef.setAutowireMode(autowire.value());
}
String initMethodName = bean.getString("initMethod");
if (StringUtils.hasText(initMethodName)) {
beanDef.setInitMethodName(initMethodName);
}
String destroyMethodName = bean.getString("destroyMethod");
if (destroyMethodName != null) {
beanDef.setDestroyMethodName(destroyMethodName);
}
// Consider scoping
ScopedProxyMode proxyMode = ScopedProxyMode.NO;
// TODO Determine why type is hard coded to org.springframework.context.annotation.Scope,
// since AnnotationScopeMetadataResolver supports a custom scope annotation type.
AnnotationAttributes attributes = AnnotationConfigUtils.attributesFor(metadata, Scope.class);
if (attributes != null) {
beanDef.setScope(
attributes.getAliasedString("value", Scope.class, configClass.getResource()));
proxyMode = attributes.getEnum("proxyMode");
if (proxyMode == ScopedProxyMode.DEFAULT) {
proxyMode = ScopedProxyMode.NO;
}
}
// Replace the original bean definition with the target one, if necessary
BeanDefinition beanDefToRegister = beanDef;
if (proxyMode != ScopedProxyMode.NO) {
BeanDefinitionHolder proxyDef =
ScopedProxyCreator.createScopedProxy(
new BeanDefinitionHolder(beanDef, beanName),
this.registry,
proxyMode == ScopedProxyMode.TARGET_CLASS);
beanDefToRegister =
new ConfigurationClassBeanDefinition(
(RootBeanDefinition) proxyDef.getBeanDefinition(), configClass, metadata);
}
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Registering bean definition for @Bean method %s.%s()",
configClass.getMetadata().getClassName(), beanName));
}
this.registry.registerBeanDefinition(beanName, beanDefToRegister);
}