private void testBeanDefinitions(BeanDefinitionRegistry registry) {
assertEquals(24, registry.getBeanDefinitionCount());
assertEquals(24, registry.getBeanDefinitionNames().length);
assertTrue(Arrays.asList(registry.getBeanDefinitionNames()).contains("rod"));
assertTrue(Arrays.asList(registry.getBeanDefinitionNames()).contains("aliased"));
assertTrue(registry.containsBeanDefinition("rod"));
assertTrue(registry.containsBeanDefinition("aliased"));
assertEquals(TestBean.class.getName(), registry.getBeanDefinition("rod").getBeanClassName());
assertEquals(
TestBean.class.getName(), registry.getBeanDefinition("aliased").getBeanClassName());
assertTrue(registry.isAlias("youralias"));
assertEquals(2, registry.getAliases("aliased").length);
assertEquals("myalias", registry.getAliases("aliased")[0]);
assertEquals("youralias", registry.getAliases("aliased")[1]);
}
private String getResourceDescription(String beanName, ListableBeanFactory beanFactory) {
if (beanFactory instanceof BeanDefinitionRegistry) {
BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory;
return registry.getBeanDefinition(beanName).getResourceDescription();
}
return "unknown";
}
@Override
public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry)
throws BeansException {
Collection<Class<?>> remotingServices = new HashSet<Class<?>>();
remotingServices.addAll(getIncludeClasses());
String[] basePackages = getBasePackages();
if (basePackages != null)
remotingServices.addAll(ClassScanner.scanAnnotated(basePackages, Remoting.class));
Collection<Class<?>> excludeRemotingServices = getExcludeClasses();
for (Class<?> remotingService : remotingServices) {
if (!remotingService.isInterface() || excludeRemotingServices.contains(remotingService))
continue;
String beanName = StringUtils.uncapitalize(remotingService.getSimpleName());
if (registry.containsBeanDefinition(beanName)) {
logger.info(
"Skip bean {} which implemented by {}",
beanName,
registry.getBeanDefinition(beanName).getBeanClassName());
continue;
}
RootBeanDefinition beanDefinition = new RootBeanDefinition(HttpInvokerClient.class);
beanDefinition.setTargetType(remotingService);
beanDefinition.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_BY_NAME);
MutablePropertyValues propertyValues = new MutablePropertyValues();
propertyValues.addPropertyValue("serviceInterface", remotingService.getName());
beanDefinition.setPropertyValues(propertyValues);
registry.registerBeanDefinition(beanName, beanDefinition);
logger.info("Registered bean {} for remoting service", beanName);
}
}
private void initWildcardDefinitionMap() {
if (null != appContexts) {
for (ApplicationContext appContext : appContexts) {
for (String n : appContext.getBeanDefinitionNames()) {
if (isWildcardBeanName(n)) {
AutowireCapableBeanFactory bf = appContext.getAutowireCapableBeanFactory();
BeanDefinitionRegistry bdr = (BeanDefinitionRegistry) bf;
BeanDefinition bd = bdr.getBeanDefinition(n);
String className = bd.getBeanClassName();
if (null != className) {
String orig = n;
if (n.charAt(0) == '*') {
// old wildcard
n = "." + n.replaceAll("\\.", "\\.");
}
try {
Matcher matcher = Pattern.compile(n).matcher("");
List<MatcherHolder> m = wildCardBeanDefinitions.get(className);
if (m == null) {
m = new ArrayList<MatcherHolder>();
wildCardBeanDefinitions.put(className, m);
}
MatcherHolder holder = new MatcherHolder(orig, matcher);
m.add(holder);
} catch (PatternSyntaxException npe) {
// not a valid patter, we'll ignore
}
} else {
LOG.warn("Wildcars with not class {}", n);
}
}
}
}
}
}
@Override
protected Set<BeanDefinitionHolder> doScan(String... basePackages) {
Assert.notEmpty(basePackages, "At least one base package must be specified");
Set<BeanDefinitionHolder> beanDefinitions = new LinkedHashSet<BeanDefinitionHolder>();
for (String basePackage : basePackages) {
Set<BeanDefinition> candidates = findCandidateComponents(basePackage);
for (BeanDefinition candidate : candidates) {
ScopeMetadata scopeMetadata = this.scopeMetadataResolver.resolveScopeMetadata(candidate);
candidate.setScope(scopeMetadata.getScopeName());
String beanName = this.beanNameGenerator.generateBeanName(candidate, this.registry);
if (candidate instanceof AbstractBeanDefinition) {
postProcessBeanDefinition((AbstractBeanDefinition) candidate, beanName);
}
if (candidate instanceof AnnotatedBeanDefinition) {
processCommonDefinitionAnnotations((AnnotatedBeanDefinition) candidate);
}
ScannedGenericBeanDefinition bd = (ScannedGenericBeanDefinition) candidate; // 通用bean扫描
bd.setBeanClassName(HessianServiceExporter.class.getName()); // 设置bean名称
bd.setBeanClass(HessianServiceExporter.class); // 设置bean类
bd.getPropertyValues().add("service", registry.getBeanDefinition(beanName)); // 设置属性 service
String[] interfaces = bd.getMetadata().getInterfaceNames(); // 获得元数据、接口名称
if (interfaces == null || interfaces.length == 0) continue;
Class interf = null;
try {
interf = Class.forName(interfaces[0]); // 获得接口
} catch (ClassNotFoundException e) {
continue;
}
bd.getPropertyValues().add("serviceInterface", interf); // 设置属性 serviceInterface
candidate = bd;
BeanDefinitionHolder definitionHolder =
new BeanDefinitionHolder(candidate, "/" + beanName); // 新bean定义持有
definitionHolder =
applyScopedProxyMode(scopeMetadata, definitionHolder, this.registry); // 应用范围代理模式
beanDefinitions.add(definitionHolder); // 将bean定义持有放入bean定义持有set中
registerBeanDefinition(definitionHolder, this.registry); // 注册bean定义
}
}
if (beanDefinitions.isEmpty()) {
System.out.println("not service be scaned");
} else {
for (BeanDefinitionHolder holder : beanDefinitions) {
AnnotatedBeanDefinition definition =
(AnnotatedBeanDefinition) holder.getBeanDefinition(); // 注释的bean定义
System.out.println("service:" + holder.getBeanName()); // 注释的bean定义名称
System.out.println(
"service:" + definition.getMetadata().getAnnotationTypes()); // 注释的bean定义类型
}
}
return beanDefinitions;
}
/**
* Returns the bean name of a {@link MappingContext} to be wired. Will inspect the namespace
* attribute first and if no config is found in that place it will try to lookup the default one.
* Will return {@literal null} if neither one is available.
*
* @param config
* @param registry
* @return
*/
private String getMappingContextReference(
MongoRepositoryConfiguration config, BeanDefinitionRegistry registry) {
String contextRef = config.getMappingContextRef();
if (contextRef != null) {
return contextRef;
}
try {
registry.getBeanDefinition(MAPPING_CONTEXT_DEFAULT);
return MAPPING_CONTEXT_DEFAULT;
} catch (NoSuchBeanDefinitionException e) {
return null;
}
}
/**
* Register the specified entity scan packages with the system.
*
* @param registry the source registry
* @param packageNames the package names to register
*/
public static void register(BeanDefinitionRegistry registry, Collection<String> packageNames) {
Assert.notNull(registry, "Registry must not be null");
Assert.notNull(packageNames, "PackageNames must not be null");
if (registry.containsBeanDefinition(BEAN)) {
BeanDefinition beanDefinition = registry.getBeanDefinition(BEAN);
ConstructorArgumentValues constructorArguments =
beanDefinition.getConstructorArgumentValues();
constructorArguments.addIndexedArgumentValue(
0, addPackageNames(constructorArguments, packageNames));
} else {
GenericBeanDefinition beanDefinition = new GenericBeanDefinition();
beanDefinition.setBeanClass(EntityScanPackages.class);
beanDefinition
.getConstructorArgumentValues()
.addIndexedArgumentValue(0, packageNames.toArray(new String[packageNames.size()]));
beanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
registry.registerBeanDefinition(BEAN, beanDefinition);
}
}
private void parseGrailsApplication(
Element element,
ParserContext parserContext,
XmlReaderContext readerContext,
ClassLoader beanClassLoader,
String[] basePackages) {
BeanDefinitionRegistry simpleRegistry = new SimpleBeanDefinitionRegistry();
ClassPathBeanDefinitionScanner scanner = configureScanner(parserContext, simpleRegistry);
scanner.scan(basePackages);
BeanDefinitionRegistry targetRegistry = parserContext.getRegistry();
AbstractBeanDefinition grailsApplicationBean = new GenericBeanDefinition();
grailsApplicationBean.setBeanClass(DefaultGrailsApplication.class);
grailsApplicationBean.setInitMethodName("initialise");
ConstructorArgumentValues constructorArgs =
grailsApplicationBean.getConstructorArgumentValues();
Set<Class<?>> classes = new HashSet<Class<?>>();
for (String beanName : simpleRegistry.getBeanDefinitionNames()) {
BeanDefinition beanDef = simpleRegistry.getBeanDefinition(beanName);
try {
Class<?> entityClass = Class.forName(beanDef.getBeanClassName(), true, beanClassLoader);
classes.add(entityClass);
registerDomainBean(
entityClass, targetRegistry, element.getAttribute(MESSAGE_SOURCE_ATTRIBUTE));
} catch (ClassNotFoundException e) {
throw new BeanDefinitionParsingException(
new Problem(
"Unable to load class whilst configuring GORM: " + e.getMessage(),
new Location(readerContext.getResource()),
null,
e));
}
}
constructorArgs.addGenericArgumentValue(classes.toArray(new Class[classes.size()]));
constructorArgs.addGenericArgumentValue(beanClassLoader);
targetRegistry.registerBeanDefinition(GrailsApplication.APPLICATION_ID, grailsApplicationBean);
}
/**
* Read a particular {@link ConfigurationClassMethod}, registering bean definitions with the
* BeanDefinitionRegistry based on its contents.
*/
private void loadBeanDefinitionsForBeanMethod(ConfigurationClassMethod beanMethod) {
ConfigurationClass configClass = beanMethod.getConfigurationClass();
MethodMetadata metadata = beanMethod.getMetadata();
RootBeanDefinition beanDef = new ConfigurationClassBeanDefinition(configClass);
beanDef.setResource(configClass.getResource());
beanDef.setSource(this.sourceExtractor.extractSource(metadata, configClass.getResource()));
beanDef.setFactoryBeanName(configClass.getBeanName());
beanDef.setUniqueFactoryMethodName(metadata.getMethodName());
beanDef.setAutowireMode(RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
beanDef.setAttribute(
RequiredAnnotationBeanPostProcessor.SKIP_REQUIRED_CHECK_ATTRIBUTE, Boolean.TRUE);
// consider name and any aliases
Map<String, Object> beanAttributes = metadata.getAnnotationAttributes(Bean.class.getName());
List<String> names =
new ArrayList<String>(Arrays.asList((String[]) beanAttributes.get("name")));
String beanName =
(names.size() > 0 ? names.remove(0) : beanMethod.getMetadata().getMethodName());
for (String alias : names) {
this.registry.registerAlias(beanName, alias);
}
// has this already been overridden (e.g. via XML)?
if (this.registry.containsBeanDefinition(beanName)) {
BeanDefinition existingBeanDef = registry.getBeanDefinition(beanName);
// is the existing bean definition one that was created from a configuration class?
if (!(existingBeanDef instanceof ConfigurationClassBeanDefinition)) {
// no -> then it's an external override, probably XML
// overriding is legal, return immediately
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Skipping loading bean definition for %s: a definition for bean "
+ "'%s' already exists. This is likely due to an override in XML.",
beanMethod, beanName));
}
return;
}
}
if (metadata.isAnnotated(Primary.class.getName())) {
beanDef.setPrimary(true);
}
// is this bean to be instantiated lazily?
if (metadata.isAnnotated(Lazy.class.getName())) {
beanDef.setLazyInit(
(Boolean) metadata.getAnnotationAttributes(Lazy.class.getName()).get("value"));
} else if (configClass.getMetadata().isAnnotated(Lazy.class.getName())) {
beanDef.setLazyInit(
(Boolean)
configClass.getMetadata().getAnnotationAttributes(Lazy.class.getName()).get("value"));
}
if (metadata.isAnnotated(DependsOn.class.getName())) {
String[] dependsOn =
(String[]) metadata.getAnnotationAttributes(DependsOn.class.getName()).get("value");
if (dependsOn.length > 0) {
beanDef.setDependsOn(dependsOn);
}
}
Autowire autowire = (Autowire) beanAttributes.get("autowire");
if (autowire.isAutowire()) {
beanDef.setAutowireMode(autowire.value());
}
String initMethodName = (String) beanAttributes.get("initMethod");
if (StringUtils.hasText(initMethodName)) {
beanDef.setInitMethodName(initMethodName);
}
String destroyMethodName = (String) beanAttributes.get("destroyMethod");
if (StringUtils.hasText(destroyMethodName)) {
beanDef.setDestroyMethodName(destroyMethodName);
}
// consider scoping
ScopedProxyMode proxyMode = ScopedProxyMode.NO;
Map<String, Object> scopeAttributes = metadata.getAnnotationAttributes(Scope.class.getName());
if (scopeAttributes != null) {
beanDef.setScope((String) scopeAttributes.get("value"));
proxyMode = (ScopedProxyMode) scopeAttributes.get("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 = proxyDef.getBeanDefinition();
}
if (logger.isDebugEnabled()) {
logger.debug(
String.format(
"Registering bean definition for @Bean method %s.%s()",
configClass.getMetadata().getClassName(), beanName));
}
registry.registerBeanDefinition(beanName, beanDefToRegister);
}
