java类org.springframework.beans.factory.config.BeanDefinition的实例源码

@Test
public void should_ignore_existing_spies_when_searching_for_bean_by_class() {
    //given
    final String spyName = "spy";
    final DoubleRegistry doubleRegistry = new DoubleRegistry(
            emptyList(),
            singletonList(doubleDefinition(String.class, spyName)));
    final ApplicationContext appCtx = buildAppContext(Stream.of(
            bean(spyName, spyName + " - bean")
    ));
    final BeanDefinitionFinder definitionFinder = new BeanDefinitionFinder(appCtx, doubleRegistry);

    //when
    final Optional<BeanDefinition> definition = definitionFinder.tryToFindBeanDefinition("any bean name", String.class);

    //then
    assertFalse(definition.isPresent());
}

static List<BeanProperty> getBeanProperties(BeanDefinition definition) {
    List<BeanProperty> temp;

    List<PropertyValue> pvs = definition.getPropertyValues().getPropertyValueList();

    if (pvs.isEmpty()) {
        return Collections.<BeanProperty> emptyList();
    } else {
        temp = new ArrayList<BeanProperty>(pvs.size());
    }

    for (PropertyValue propertyValue : pvs) {
        temp.add(new SimpleBeanProperty(propertyValue));
    }

    return Collections.unmodifiableList(temp);
}

@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
    ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
    provider.addIncludeFilter(new AnnotationTypeFilter(Consumer.class));
    provider.addIncludeFilter(new AssignableTypeFilter(IConsumer.class));
    Set<BeanDefinition> beanDefinitionSet = provider.findCandidateComponents("spring.study.componentprovider.bean");

    for(BeanDefinition beanDefinition : beanDefinitionSet) {
        String beanName = beanNameGenerator.generateBeanName(beanDefinition, registry);
        if(!registry.containsBeanDefinition(beanName)) {
            registry.registerBeanDefinition(beanName, beanDefinition);
            registry.registerBeanDefinition("11", beanDefinition);
        }
    }

}

private BeanDefinition findParentDefinition(String parentName, BeanDefinitionRegistry registry)
{   
    if (registry != null) 
    {
        if (registry.containsBeanDefinition(parentName)) 
        {
            return registry.getBeanDefinition(parentName);
        } 
        else if (registry instanceof HierarchicalBeanFactory) 
        {
            // Try to get parent definition from the parent BeanFactory. This could return null
            BeanFactory parentBeanFactory = ((HierarchicalBeanFactory)registry).getParentBeanFactory();
            return findParentDefinition(parentName, (BeanDefinitionRegistry)parentBeanFactory);
        } 
    }

    // we've exhausted all possibilities        
    return null;
}

@Bean
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public Menu fileMenu() {
    Menu file = new Menu(localeService.getMessage("ui.menu.file"));
    file.setMnemonicParsing(false);

    MenuItem connect = new MenuItem(localeService.getMessage("ui.menu.file.connect"));
    connect.setMnemonicParsing(false);
    connect.setOnAction(event -> newConnectionBox(getMainView().getPrimaryStage(),
            (data) -> getMainController().loadTables(data)));

    MenuItem manager = new MenuItem(localeService.getMessage("ui.menu.file.manager"));
    manager.setMnemonicParsing(false);
    manager.setOnAction(event -> connectionManager());
    file.getItems().addAll(connect, manager);
    return file;
}

@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

    if (beanFactory instanceof ListableBeanFactory) {

        String[] dataSourceBeanNames = ((ListableBeanFactory) beanFactory).getBeanNamesForType(DataSource.class,
                false, true);
        if (dataSourceBeanNames != null) {
            for (String dataSourceBeanName : dataSourceBeanNames) {
                BeanDefinition bd = registry.getBeanDefinition(dataSourceBeanName);
                if (bd instanceof DataContextBoundBeanDefinition) {
                    DataSourceRegistrar.registerDataSourceTransactionManager(registry, dataSourceBeanName,
                            ((DataContextBoundBeanDefinition) bd).getDataContextId().orElse(null),
                            PrimaryMode.AUTO);
                }
            }
        }

    }

}

public static <T> List<Pair<Class, T>> cronyxQuartzConverterPairs(Class<T> tClass) {

        List<Pair<Class, T>> results = new ArrayList<>();

        ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
        provider.addIncludeFilter(new AssignableTypeFilter(tClass));

        Set<BeanDefinition> components = provider.findCandidateComponents(PACKAGE);
        for (BeanDefinition component : components) {
            try {
                Class cls = Class.forName(component.getBeanClassName());
                Class<?> typeArgument = GenericTypeResolver.resolveTypeArgument(cls, tClass);
                results.add(new ImmutablePair<>(typeArgument, (T) cls.newInstance()));

            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
                throw new CronyxException("Could not instantiate cronyxToQuartzConverters", e);
            }
        }
        return results;
    }

@Override
protected String buildDefaultBeanName(BeanDefinition definition) {
    if(this.packageDepth < 1){
        return super.buildDefaultBeanName(definition);
    }

    String fullName = definition.getBeanClassName(); //e.g.: com.mobanker.tkj.api.action.UserAction
    char delimiter = dotReplacement > 0 ? dotReplacement : DEFAULT_DOT_REPLACEMENT;
    String[] names = fullName.split("\\.");
    StringBuilder beanName = new StringBuilder("");

    //add package name
    if(names.length > 1){
        for(int i = 0; i < this.packageDepth; i++){
            String name = names[names.length - 2 - i];
            beanName.insert(0, delimiter);
            beanName.insert(0, name);
        }
    }

    //add Class name
    beanName.append(names[names.length - 1]);

    return beanName.toString();
}

/**
 * Find a {@link Annotation} of {@code annotationType} on the specified
 * bean, traversing its interfaces and super classes if no annotation can be
 * found on the given class itself, as well as checking its raw bean class
 * if not found on the exposed bean reference (e.g. in case of a proxy).
 */
@Override
public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType)
        throws NoSuchBeanDefinitionException{

    A ann = null;
    Class<?> beanType = getType(beanName);
    if (beanType != null) {
        ann = AnnotationUtils.findAnnotation(beanType, annotationType);
    }
    if (ann == null && containsBeanDefinition(beanName)) {
        BeanDefinition bd = getMergedBeanDefinition(beanName);
        if (bd instanceof AbstractBeanDefinition) {
            AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
            if (abd.hasBeanClass()) {
                ann = AnnotationUtils.findAnnotation(abd.getBeanClass(), annotationType);
            }
        }
    }
    return ann;
}

@Test
public void testCompileExtendedServices() throws Exception
{
    ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(true);
    provider.addIncludeFilter(new AssignableTypeFilter(Extensible.class));

    Set<BeanDefinition> components = provider.findCandidateComponents("org/alfresco/*");
    Set<Class<? extends Extensible>> extensibles = new HashSet<>();
    for (BeanDefinition component : components)
    {
        @SuppressWarnings("unchecked")
        Class<? extends Extensible> extensibleClass = (Class<? extends Extensible>) Class.forName(component
                    .getBeanClassName());
        extensibles.add(extensibleClass);

    }
    compile(extensibles);
}

@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 (!mbd.isPrototype()) {
        if (bd == null) {
            bd = new RootBeanDefinition(mbd);
        }
        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);
}

@Override
protected String buildDefaultBeanName(BeanDefinition definition) {
    if(this.packageDepth < 1){
        return super.buildDefaultBeanName(definition);
    }

    String fullName = definition.getBeanClassName(); //e.g.: com.tasfe.tkj.api.action.UserAction
    char delimiter = dotReplacement > 0 ? dotReplacement : DEFAULT_DOT_REPLACEMENT;
    String[] names = fullName.split("\\.");
    StringBuilder beanName = new StringBuilder("");

    //add package name
    if(names.length > 1){
        for(int i = 0; i < this.packageDepth; i++){
            String name = names[names.length - 2 - i];
            beanName.insert(0, delimiter);
            beanName.insert(0, name);
        }
    }

    //add Class name
    beanName.append(names[names.length - 1]);

    return beanName.toString();
}

private void findInnerBeanDefinitionsAndBeanReferences(BeanDefinition beanDefinition) {
    List<BeanDefinition> innerBeans = new ArrayList<BeanDefinition>();
    List<BeanReference> references = new ArrayList<BeanReference>();
    PropertyValues propertyValues = beanDefinition.getPropertyValues();
    for (int i = 0; i < propertyValues.getPropertyValues().length; i++) {
        PropertyValue propertyValue = propertyValues.getPropertyValues()[i];
        Object value = propertyValue.getValue();
        if (value instanceof BeanDefinitionHolder) {
            innerBeans.add(((BeanDefinitionHolder) value).getBeanDefinition());
        }
        else if (value instanceof BeanDefinition) {
            innerBeans.add((BeanDefinition) value);
        }
        else if (value instanceof BeanReference) {
            references.add((BeanReference) value);
        }
    }
    this.innerBeanDefinitions = innerBeans.toArray(new BeanDefinition[innerBeans.size()]);
    this.beanReferences = references.toArray(new BeanReference[references.size()]);
}

@Override
public BeanDefinition parse(Element element, ParserContext parserContext) {
    RootBeanDefinition beanDefinition = new RootBeanDefinition();
    beanDefinition.setBeanClass(beanClass);
    beanDefinition.setLazyInit(false);

    String key = element.getAttribute("key");
    String value = element.getAttribute("value");
    String hide = element.getAttribute("hide");
    if(CommonUtils.isTrue(hide)){
        JSFContext.putGlobalVal(Constants.HIDE_KEY_PREFIX + key, value);
    } else {
        JSFContext.putGlobalVal(key, value);
    }

    beanDefinition.getPropertyValues().addPropertyValue("key", key);
    beanDefinition.getPropertyValues().addPropertyValue("value", value);
    beanDefinition.getPropertyValues().addPropertyValue("hide", Boolean.valueOf(hide));

    return beanDefinition;
}

private void addIncludePatterns(Element element, ParserContext parserContext, BeanDefinition beanDef) {
    ManagedList<TypedStringValue> includePatterns = new ManagedList<TypedStringValue>();
    NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node instanceof Element) {
            Element includeElement = (Element) node;
            TypedStringValue valueHolder = new TypedStringValue(includeElement.getAttribute("name"));
            valueHolder.setSource(parserContext.extractSource(includeElement));
            includePatterns.add(valueHolder);
        }
    }
    if (!includePatterns.isEmpty()) {
        includePatterns.setSource(parserContext.extractSource(element));
        beanDef.getPropertyValues().add("includePatterns", includePatterns);
    }
}

protected String generateBeanName(String prefix, BeanDefinition def, ParserContext parserContext) {
    BeanDefinitionRegistry registry = parserContext.getRegistry();
    String name = prefix + BeanDefinitionReaderUtils.generateBeanName(def, registry);
    String generated = name;
    int counter = 0;

    while (registry.containsBeanDefinition(generated)) {
        generated = name + BeanFactoryUtils.GENERATED_BEAN_NAME_SEPARATOR + counter;
        if (parserContext.isNested()) {
            generated = generated.concat("#generated");
        }
        counter++;
    }

    return generated;
}

@Override
public void postProcessBeanFactory(final ConfigurableListableBeanFactory beanFactory) throws BeansException {
    LOGGER.debug(() -> "Lookup @Path and @Provider JAX-RS resource in bean factory [" + beanFactory + "]");

    resources = new ArrayList<>();

    for (String name : beanFactory.getBeanDefinitionNames()) {
        try {
            BeanDefinition definition = beanFactory.getBeanDefinition(name);
            if (!definition.isAbstract()) {
                Class<?> beanClass = BeanRegistryUtils.getBeanClass(name, definition, beanFactory, classLoader);
                if (beanClass != null) {
                    if (isJaxrsResourceClass(definition, beanClass)) {
                        resources.add(new WeakReference<>(beanClass));
                        LOGGER.debug(() -> "Found JAX-RS resource class: [" + beanClass.getName() + "]");
                    }
                }
            }
        } catch (@SuppressWarnings("unused") NoSuchBeanDefinitionException e) {
            // ignore
        }
    }
}

/**
 * Get the refresh check delay for the given {@link ScriptFactory} {@link BeanDefinition}.
 * If the {@link BeanDefinition} has a
 * {@link org.springframework.core.AttributeAccessor metadata attribute}
 * under the key {@link #REFRESH_CHECK_DELAY_ATTRIBUTE} which is a valid {@link Number}
 * type, then this value is used. Otherwise, the the {@link #defaultRefreshCheckDelay}
 * value is used.
 * @param beanDefinition the BeanDefinition to check
 * @return the refresh check delay
 */
protected long resolveRefreshCheckDelay(BeanDefinition beanDefinition) {
    long refreshCheckDelay = this.defaultRefreshCheckDelay;
    Object attributeValue = beanDefinition.getAttribute(REFRESH_CHECK_DELAY_ATTRIBUTE);
    if (attributeValue instanceof Number) {
        refreshCheckDelay = ((Number) attributeValue).longValue();
    }
    else if (attributeValue instanceof String) {
        refreshCheckDelay = Long.parseLong((String) attributeValue);
    }
    else if (attributeValue != null) {
        throw new BeanDefinitionStoreException("Invalid refresh check delay attribute [" +
                REFRESH_CHECK_DELAY_ATTRIBUTE + "] with value '" + attributeValue +
                "': needs to be of type Number or String");
    }
    return refreshCheckDelay;
}

BeanDefinition buildBeanDefinitionFor(ComponentMetadata metadata) {
    // shortcut (to avoid re-rewrapping)
    if (metadata instanceof SimpleComponentMetadata) {
        return ((SimpleComponentMetadata) metadata).getBeanDefinition();
    }

    AbstractBeanDefinition definition = buildBeanDefinition(metadata);
    // add common properties
    definition.setAttribute(MetadataConstants.COMPONENT_METADATA_ATTRIBUTE, metadata);
    definition.setAttribute(MetadataConstants.COMPONENT_NAME, metadata.getId());

    // Set<String> dependencies = metadata.;
    // definition.setDependsOn(dependencies.toArray(new String[dependencies.size()]));
    throw new UnsupportedOperationException("move depends on for BeanMetadata");

    // return definition;
}

/**
 * Parses the '{@code <cache:annotation-driven>}' tag. Will
 * {@link AopNamespaceUtils#registerAutoProxyCreatorIfNecessary
 * register an AutoProxyCreator} with the container as necessary.
 */
@Override
public BeanDefinition parse(Element element, ParserContext parserContext) {
    String mode = element.getAttribute("mode");
    if ("aspectj".equals(mode)) {
        // mode="aspectj"
        registerCacheAspect(element, parserContext);
    }
    else {
        // mode="proxy"
        AopAutoProxyConfigurer.configureAutoProxyCreator(element, parserContext);
    }

    return null;
}

/**
 * Configure the PrimaryKey Validator
 *
 * @return PrimaryKey Validator
 */
@Bean(name = "primary-key")
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public PrimaryKeyValidator primaryKeyValidator() {
    PrimaryKeyValidator validator = new PrimaryKeyValidator();
    validator.setRuleEvaluator(ruleHelper());
    return validator;
}

@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
    this.beanFactory = beanFactory;
    for (String name : beanFactory.getBeanDefinitionNames()) {
        BeanDefinition definition = beanFactory.getBeanDefinition(name);
        String method = definition.getFactoryMethodName();
        String bean = definition.getFactoryBeanName();
        if (method != null && bean != null) {
            this.beans.put(name, new MetaData(bean, method));
        }
    }
}

@Test
public void should_find_bean_definition_by_name() {
    //given
    final String beanName = "object";
    final ApplicationContext appContext = buildAppContext(Stream.of(
            bean(beanName, new Object())));
    final BeanDefinitionFinder definitionFinder = new BeanDefinitionFinder(appContext, emptyDoubleRegistry());

    //when
    final Optional<BeanDefinition> definition = definitionFinder.tryToFindBeanDefinition(beanName);

    //then
    assertTrue(definition.isPresent());
}

@Override
public ScopeMetadata resolveScopeMetadata(BeanDefinition definition) {
    ScopeMetadata metadata = new ScopeMetadata();
    metadata.setScopeName(BeanDefinition.SCOPE_PROTOTYPE);
    if (definition instanceof AnnotatedBeanDefinition) {
        AnnotatedBeanDefinition annDef = (AnnotatedBeanDefinition) definition;
        Set<String> annTypes = annDef.getMetadata().getAnnotationTypes();
        String found = null;
        for (String annType : annTypes) {
            Set<String> metaAnns = annDef.getMetadata().getMetaAnnotationTypes(annType);
            if (metaAnns.contains("javax.inject.Scope")) {
                if (found != null) {
                    throw new IllegalStateException("Found ambiguous scope annotations on bean class [" +
                            definition.getBeanClassName() + "]: " + found + ", " + annType);
                }
                found = annType;
                String scopeName = resolveScopeName(annType);
                if (scopeName == null) {
                    throw new IllegalStateException(
                            "Unsupported scope annotation - not mapped onto Spring scope name: " + annType);
                }
                metadata.setScopeName(scopeName);
            }
        }
    }
    return metadata;
}

private void printMetadata(BeanDefinition beanDef) {
    try {
        Class<?> cl = Class.forName(beanDef.getBeanClassName());
        Entity findable = cl.getAnnotation(Entity.class);
        System.out.printf("Found class: %s, with meta name: %s%n",
                cl.getSimpleName(), findable.name());
    } catch (Exception e) {
        System.err.println("Got exception: " + e.getMessage());
    }
}

public void componentRegistered(
      ComponentDefinition paramComponentDefinition) {
   String name = paramComponentDefinition.getName();

   for(BeanDefinition bd : paramComponentDefinition.getBeanDefinitions()) {
      processBeanDefinition(name, bd);
   }
}

@Override
public BeanDefinition parse(Element element, ParserContext parserContext) {
    if (!parserContext.getRegistry().containsBeanDefinition(BEAN_CONFIGURER_ASPECT_BEAN_NAME)) {
        RootBeanDefinition def = new RootBeanDefinition();
        def.setBeanClassName(BEAN_CONFIGURER_ASPECT_CLASS_NAME);
        def.setFactoryMethodName("aspectOf");
        def.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
        def.setSource(parserContext.extractSource(element));
        parserContext.registerBeanComponent(new BeanComponentDefinition(def, BEAN_CONFIGURER_ASPECT_BEAN_NAME));
    }
    return null;
}

/**
 * Configure the Mandatory Validator
 *
 * @return Mandatory Validator
 */
@Bean(name = "mandatory")
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public MandatoryValidator mandatoryValidator() {
    MandatoryValidator validator = new MandatoryValidator();
    validator.setRuleEvaluator(ruleHelper());
    return validator;
}

private Tuple<Boolean, Integer> createFileFromTemplate(String path, String repositoryPAckage, String simpleClassName, String postfix, BeanDefinition beanDefinition){
    Tuple<String, Integer> content = getContentFromTemplate(repositoryPAckage, simpleClassName, postfix, beanDefinition);
    if (content.left() == null) {
        return new Tuple<>(false, content.right());
    }

    try (BufferedWriter bw = new BufferedWriter(new FileWriter(path))) {
        bw.write(content.left());
        return new Tuple<>(true, 0);
    } catch (IOException e) {
        return new Tuple<>(false, SDLogger.addError("Error occurred while persisting file: " + e.getMessage()));
    }
}

private static boolean checkBeanDefinitionClassCompatibility(BeanDefinition definition, Class<?> clazz) {
    if (definition instanceof AbstractBeanDefinition) {
        AbstractBeanDefinition abstractDefinition = (AbstractBeanDefinition) definition;
        if (abstractDefinition.hasBeanClass()) {
            Class<?> beanClass = abstractDefinition.getBeanClass();
            return clazz.isAssignableFrom(beanClass);
        }
    }
    return (clazz.getName().equals(definition.getBeanClassName()));
}