Java Code Examples for org.springframework.beans.PropertyValues

@Override
protected RootBeanDefinition createContainerFactory(String factoryId, Element containerEle, ParserContext parserContext,
		PropertyValues commonContainerProperties, PropertyValues specificContainerProperties) {

	RootBeanDefinition factoryDef = new RootBeanDefinition();

	String containerType = containerEle.getAttribute(CONTAINER_TYPE_ATTRIBUTE);
	String containerClass = containerEle.getAttribute(CONTAINER_CLASS_ATTRIBUTE);
	if (!"".equals(containerClass)) {
		return null; // Not supported
	}
	else if ("".equals(containerType) || containerType.startsWith("default")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.DefaultJmsListenerContainerFactory");
	}
	else if (containerType.startsWith("simple")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.SimpleJmsListenerContainerFactory");
	}

	factoryDef.getPropertyValues().addPropertyValues(commonContainerProperties);
	factoryDef.getPropertyValues().addPropertyValues(specificContainerProperties);

	return factoryDef;
}
 

private String updatePropertyValue(String propertyName, PropertyValues values) {
	PropertyValue property = values.getPropertyValue(propertyName);

	if (property == null) {
		return null;
	}

	Object value = property.getValue();

	if (value == null) {
		return null;
	} else if (value instanceof String) {
		return value.toString();
	} else if (value instanceof TypedStringValue) {
		return ((TypedStringValue) value).getValue();
	} else {
		return null;
	}
}
 

/**
 * Performs additional indexing based on the view type associated with the view instance. The
 * {@code ViewTypeService} associated with the view type name on the instance is invoked to retrieve
 * the parameter key/value pairs from the configured property values, which are then used to build up an index
 * used to key the entry
 *
 * @param propertyValues - property values configured on the view bean definition
 * @param id - id (or bean name if id was not set) for the view
 */
protected void indexViewForType(PropertyValues propertyValues, String id) {
    String viewTypeName = ViewModelUtils.getStringValFromPVs(propertyValues, "viewTypeName");
    if (StringUtils.isBlank(viewTypeName)) {
        return;
    }

    UifConstants.ViewType viewType = ViewType.valueOf(viewTypeName);

    ViewTypeService typeService = KRADServiceLocatorWeb.getViewService().getViewTypeService(viewType);
    if (typeService == null) {
        // don't do any further indexing
        return;
    }

    // invoke type service to retrieve it parameter name/value pairs
    Map<String, String> typeParameters = typeService.getParametersFromViewConfiguration(propertyValues);

    // build the index string from the parameters
    String index = buildTypeIndex(typeParameters);

    // get the index for the type and add the view entry
    ViewTypeDictionaryIndex typeIndex = getTypeIndex(viewType);

    typeIndex.put(index, id);
}
 

private InjectionMetadata findResourceMetadata(String beanName, final Class<?> clazz, @Nullable PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				metadata = buildResourceMetadata(clazz);
				this.injectionMetadataCache.put(cacheKey, metadata);
			}
		}
	}
	return metadata;
}
 

@Override
protected RootBeanDefinition createContainer(Element containerEle, Element listenerEle, ParserContext parserContext,
		PropertyValues commonContainerProperties, PropertyValues specificContainerProperties) {

	RootBeanDefinition containerDef = new RootBeanDefinition();
	containerDef.setSource(parserContext.extractSource(containerEle));
	containerDef.setBeanClassName("org.springframework.jms.listener.endpoint.JmsMessageEndpointManager");
	containerDef.getPropertyValues().addPropertyValues(specificContainerProperties);

	RootBeanDefinition configDef = new RootBeanDefinition();
	configDef.setSource(parserContext.extractSource(containerEle));
	configDef.setBeanClassName("org.springframework.jms.listener.endpoint.JmsActivationSpecConfig");
	configDef.getPropertyValues().addPropertyValues(commonContainerProperties);
	parseListenerConfiguration(listenerEle, parserContext, configDef.getPropertyValues());

	containerDef.getPropertyValues().add("activationSpecConfig", configDef);

	return containerDef;
}
 

private InjectionMetadata findAutowiringMetadata(String beanName, Class<?> clazz, PropertyValues pvs) {
    // Fall back to class name as cache key, for backwards compatibility with custom callers.
    String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
    // Quick check on the concurrent map first, with minimal locking.
    InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
    if (InjectionMetadata.needsRefresh(metadata, clazz)) {
        synchronized (this.injectionMetadataCache) {
            metadata = this.injectionMetadataCache.get(cacheKey);
            if (InjectionMetadata.needsRefresh(metadata, clazz)) {
                if (metadata != null) {
                    clear(metadata, pvs);
                }
                try {
                    metadata = buildAutowiringMetadata(clazz);
                    this.injectionMetadataCache.put(cacheKey, metadata);
                } catch (NoClassDefFoundError err) {
                    throw new IllegalStateException("Failed to introspect bean class [" + clazz.getName() +
                            "] for autowiring metadata: could not find class that it depends on", err);
                }
            }
        }
    }
    return metadata;
}
 

@Override
protected RootBeanDefinition createContainerFactory(String factoryId, Element containerEle, ParserContext parserContext,
		PropertyValues commonContainerProperties, PropertyValues specificContainerProperties) {

	RootBeanDefinition factoryDef = new RootBeanDefinition();

	String containerType = containerEle.getAttribute(CONTAINER_TYPE_ATTRIBUTE);
	String containerClass = containerEle.getAttribute(CONTAINER_CLASS_ATTRIBUTE);
	if (!"".equals(containerClass)) {
		return null; // Not supported
	}
	else if ("".equals(containerType) || containerType.startsWith("default")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.DefaultJmsListenerContainerFactory");
	}
	else if (containerType.startsWith("simple")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.SimpleJmsListenerContainerFactory");
	}

	factoryDef.getPropertyValues().addPropertyValues(commonContainerProperties);
	factoryDef.getPropertyValues().addPropertyValues(specificContainerProperties);

	return factoryDef;
}
 

private InjectionMetadata findAutowiringMetadata(String beanName, Class<?> clazz, @Nullable PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				metadata = buildAutowiringMetadata(clazz);
				this.injectionMetadataCache.put(cacheKey, metadata);
			}
		}
	}
	return metadata;
}
 

private String updatePropertyValue(String propertyName, PropertyValues values) {
    PropertyValue property = values.getPropertyValue(propertyName);

    if (property == null) {
        return null;
    }

    Object value = property.getValue();

    if (value == null) {
        return null;
    } else if (value instanceof String) {
        return value.toString();
    } else if (value instanceof TypedStringValue) {
        return ((TypedStringValue) value).getValue();
    } else {
        return null;
    }
}
 

private InjectionMetadata findReferenceMetadata(String beanName, Class<?> clazz, PropertyValues pvs) {
    // Fall back to class name as cache key, for backwards compatibility with custom callers.
    String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
    // Quick check on the concurrent map first, with minimal locking.
    InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
    if (InjectionMetadata.needsRefresh(metadata, clazz)) {
        synchronized (this.injectionMetadataCache) {
            metadata = this.injectionMetadataCache.get(cacheKey);
            if (InjectionMetadata.needsRefresh(metadata, clazz)) {
                if (metadata != null) {
                    metadata.clear(pvs);
                }
                try {
                    metadata = buildReferenceMetadata(clazz);
                    this.injectionMetadataCache.put(cacheKey, metadata);
                } catch (NoClassDefFoundError err) {
                    throw new IllegalStateException("Failed to introspect bean class [" + clazz.getName() +
                            "] for reference metadata: could not find class that it depends on", err);
                }
            }
        }
    }
    return metadata;
}
 

private InjectionMetadata findResourceMetadata(String beanName, final Class<?> clazz, @Nullable PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				metadata = buildResourceMetadata(clazz);
				this.injectionMetadataCache.put(cacheKey, metadata);
			}
		}
	}
	return metadata;
}
 

@Override
public PropertyValues postProcessPropertyValues(
		PropertyValues pvs, PropertyDescriptor[] pds, Object bean, String beanName) throws BeansException {

	if (!this.validatedBeanNames.contains(beanName)) {
		if (!shouldSkip(this.beanFactory, beanName)) {
			List<String> invalidProperties = new ArrayList<String>();
			for (PropertyDescriptor pd : pds) {
				if (isRequiredProperty(pd) && !pvs.contains(pd.getName())) {
					invalidProperties.add(pd.getName());
				}
			}
			if (!invalidProperties.isEmpty()) {
				throw new BeanInitializationException(buildExceptionMessage(invalidProperties, beanName));
			}
		}
		this.validatedBeanNames.add(beanName);
	}
	return pvs;
}
 

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()]);
}
 

/**
 * Map config parameters onto bean properties of this servlet, and
 * invoke subclass initialization.
 * @throws ServletException if bean properties are invalid (or required
 * properties are missing), or if subclass initialization fails.
 */
@Override
public final void init() throws ServletException {

	// Set bean properties from init parameters.
	PropertyValues pvs = new ServletConfigPropertyValues(getServletConfig(), this.requiredProperties);
	if (!pvs.isEmpty()) {
		try {
			BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
			ResourceLoader resourceLoader = new ServletContextResourceLoader(getServletContext());
			bw.registerCustomEditor(Resource.class, new ResourceEditor(resourceLoader, getEnvironment()));
			initBeanWrapper(bw);
			bw.setPropertyValues(pvs, true);
		}
		catch (BeansException ex) {
			if (logger.isErrorEnabled()) {
				logger.error("Failed to set bean properties on servlet '" + getServletName() + "'", ex);
			}
			throw ex;
		}
	}

	// Let subclasses do whatever initialization they like.
	initServletBean();
}
 

/**
 * Must contain: forname=Tony surname=Blair age=50
 */
protected void doTestTony(PropertyValues pvs) throws Exception {
	assertTrue("Contains 3", pvs.getPropertyValues().length == 3);
	assertTrue("Contains forname", pvs.contains("forname"));
	assertTrue("Contains surname", pvs.contains("surname"));
	assertTrue("Contains age", pvs.contains("age"));
	assertTrue("Doesn't contain tory", !pvs.contains("tory"));

	PropertyValue[] pvArray = pvs.getPropertyValues();
	Map<String, String> m = new HashMap<String, String>();
	m.put("forname", "Tony");
	m.put("surname", "Blair");
	m.put("age", "50");
	for (PropertyValue pv : pvArray) {
		Object val = m.get(pv.getName());
		assertTrue("Can't have unexpected value", val != null);
		assertTrue("Val i string", val instanceof String);
		assertTrue("val matches expected", val.equals(pv.getValue()));
		m.remove(pv.getName());
	}
	assertTrue("Map size is 0", m.size() == 0);
}
 

/**
 * @see org.kuali.rice.krad.uif.service.ViewTypeService#getParametersFromViewConfiguration(org.springframework.beans.PropertyValues)
 */
public Map<String, String> getParametersFromViewConfiguration(PropertyValues propertyValues) {
    Map<String, String> parameters = new HashMap<String, String>();

    String viewName = ViewModelUtils.getStringValFromPVs(propertyValues, UifParameters.VIEW_NAME);
    String dataObjectClassName = ViewModelUtils.getStringValFromPVs(propertyValues,
            UifParameters.DATA_OBJECT_CLASS_NAME);
    String docTypeName = ViewModelUtils.getStringValFromPVs(propertyValues, UifParameters.DOC_TYPE_NAME);

    if (!StringUtils.isEmpty(docTypeName)) {
        parameters.put(UifParameters.DOC_TYPE_NAME, docTypeName);
    } else if (!StringUtils.isEmpty(dataObjectClassName)) {
        parameters.put(UifParameters.DATA_OBJECT_CLASS_NAME, dataObjectClassName);
    } else {
        throw new IllegalArgumentException("Document type name or bo class not given!");
    }

    parameters.put(UifParameters.VIEW_NAME, viewName);

    return parameters;
}
 

@Override
protected RootBeanDefinition createContainerFactory(String factoryId, Element containerEle, ParserContext parserContext,
		PropertyValues commonContainerProperties, PropertyValues specificContainerProperties) {

	RootBeanDefinition factoryDef = new RootBeanDefinition();

	String containerType = containerEle.getAttribute(CONTAINER_TYPE_ATTRIBUTE);
	String containerClass = containerEle.getAttribute(CONTAINER_CLASS_ATTRIBUTE);
	if (!"".equals(containerClass)) {
		return null; // Not supported
	}
	else if ("".equals(containerType) || containerType.startsWith("default")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.DefaultJmsListenerContainerFactory");
	}
	else if (containerType.startsWith("simple")) {
		factoryDef.setBeanClassName("org.springframework.jms.config.SimpleJmsListenerContainerFactory");
	}

	factoryDef.getPropertyValues().addPropertyValues(commonContainerProperties);
	factoryDef.getPropertyValues().addPropertyValues(specificContainerProperties);

	return factoryDef;
}
 

private InjectionMetadata findAutowiringMetadata(String beanName, Class<?> clazz, PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				try {
					metadata = buildAutowiringMetadata(clazz);
					this.injectionMetadataCache.put(cacheKey, metadata);
				}
				catch (NoClassDefFoundError err) {
					throw new IllegalStateException("Failed to introspect bean class [" + clazz.getName() +
							"] for autowiring metadata: could not find class that it depends on", err);
				}
			}
		}
	}
	return metadata;
}
 

/**
 * Helper method for getting the string value of a property from a {@link PropertyValues}
 *
 * @param propertyValues property values instance to pull from
 * @param propertyName name of property whose value should be retrieved
 * @return String value for property or null if property was not found
 */
public static String getStringValFromPVs(PropertyValues propertyValues, String propertyName) {
    String propertyValue = null;

    if ((propertyValues != null) && propertyValues.contains(propertyName)) {
        Object pvValue = propertyValues.getPropertyValue(propertyName).getValue();
        if (pvValue instanceof TypedStringValue) {
            TypedStringValue typedStringValue = (TypedStringValue) pvValue;
            propertyValue = typedStringValue.getValue();
        } else if (pvValue instanceof String) {
            propertyValue = (String) pvValue;
        }
    }

    return propertyValue;
}
 

private InjectionMetadata findPersistenceMetadata(String beanName, final Class<?> clazz, PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				try {
					metadata = buildPersistenceMetadata(clazz);
					this.injectionMetadataCache.put(cacheKey, metadata);
				}
				catch (NoClassDefFoundError err) {
					throw new IllegalStateException("Failed to introspect bean class [" + clazz.getName() +
							"] for persistence metadata: could not find class that it depends on", err);
				}
			}
		}
	}
	return metadata;
}
 

private InjectionMetadata findResourceMetadata(String beanName, final Class<?> clazz, PropertyValues pvs) {
	// Fall back to class name as cache key, for backwards compatibility with custom callers.
	String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
	// Quick check on the concurrent map first, with minimal locking.
	InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
	if (InjectionMetadata.needsRefresh(metadata, clazz)) {
		synchronized (this.injectionMetadataCache) {
			metadata = this.injectionMetadataCache.get(cacheKey);
			if (InjectionMetadata.needsRefresh(metadata, clazz)) {
				if (metadata != null) {
					metadata.clear(pvs);
				}
				try {
					metadata = buildResourceMetadata(clazz);
					this.injectionMetadataCache.put(cacheKey, metadata);
				}
				catch (NoClassDefFoundError err) {
					throw new IllegalStateException("Failed to introspect bean class [" + clazz.getName() +
							"] for resource metadata: could not find class that it depends on", err);
				}
			}
		}
	}
	return metadata;
}
 

/**
 * Perform a dependency check that all properties exposed have been set,
 * if desired. Dependency checks can be objects (collaborating beans),
 * simple (primitives and String), or all (both).
 * @param beanName the name of the bean
 * @param mbd the merged bean definition the bean was created with
 * @param pds the relevant property descriptors for the target bean
 * @param pvs the property values to be applied to the bean
 * @see #isExcludedFromDependencyCheck(java.beans.PropertyDescriptor)
 */
protected void checkDependencies(
		String beanName, AbstractBeanDefinition mbd, PropertyDescriptor[] pds, @Nullable PropertyValues pvs)
		throws UnsatisfiedDependencyException {

	int dependencyCheck = mbd.getDependencyCheck();
	for (PropertyDescriptor pd : pds) {
		if (pd.getWriteMethod() != null && (pvs == null || !pvs.contains(pd.getName()))) {
			boolean isSimple = BeanUtils.isSimpleProperty(pd.getPropertyType());
			boolean unsatisfied = (dependencyCheck == AbstractBeanDefinition.DEPENDENCY_CHECK_ALL) ||
					(isSimple && dependencyCheck == AbstractBeanDefinition.DEPENDENCY_CHECK_SIMPLE) ||
					(!isSimple && dependencyCheck == AbstractBeanDefinition.DEPENDENCY_CHECK_OBJECTS);
			if (unsatisfied) {
				throw new UnsatisfiedDependencyException(mbd.getResourceDescription(), beanName, pd.getName(),
						"Set this property value or disable dependency checking for this bean.");
			}
		}
	}
}
 

@Override
public PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName) {
	InjectionMetadata metadata = findResourceMetadata(beanName, bean.getClass(), pvs);
	try {
		metadata.inject(bean, beanName, pvs);
	}
	catch (Throwable ex) {
		throw new BeanCreationException(beanName, "Injection of resource dependencies failed", ex);
	}
	return pvs;
}
 

@Override
public PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName) {
	InjectionMetadata metadata = findPersistenceMetadata(beanName, bean.getClass(), pvs);
	try {
		metadata.inject(bean, beanName, pvs);
	}
	catch (Throwable ex) {
		throw new BeanCreationException(beanName, "Injection of persistence dependencies failed", ex);
	}
	return pvs;
}
 

/**
 * Map config parameters onto bean properties of this portlet, and
 * invoke subclass initialization.
 * @throws PortletException if bean properties are invalid (or required
 * properties are missing), or if subclass initialization fails.
 */
@Override
public final void init() throws PortletException {
	if (logger.isInfoEnabled()) {
		logger.info("Initializing portlet '" + getPortletName() + "'");
	}

	// Set bean properties from init parameters.
	try {
		PropertyValues pvs = new PortletConfigPropertyValues(getPortletConfig(), this.requiredProperties);
		BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
		ResourceLoader resourceLoader = new PortletContextResourceLoader(getPortletContext());
		bw.registerCustomEditor(Resource.class, new ResourceEditor(resourceLoader, getEnvironment()));
		initBeanWrapper(bw);
		bw.setPropertyValues(pvs, true);
	}
	catch (BeansException ex) {
		logger.error("Failed to set bean properties on portlet '" + getPortletName() + "'", ex);
		throw ex;
	}

	// let subclasses do whatever initialization they like
	initPortletBean();

	if (logger.isInfoEnabled()) {
		logger.info("Portlet '" + getPortletName() + "' configured successfully");
	}
}
 

/**
 * Map config parameters onto bean properties of this servlet, and
 * invoke subclass initialization.
 * @throws ServletException if bean properties are invalid (or required
 * properties are missing), or if subclass initialization fails.
 */
@Override
public final void init() throws ServletException {

	// Set bean properties from init parameters.
	// 解析 init-param 并封装到 pvs 变量中
	PropertyValues pvs = new ServletConfigPropertyValues(getServletConfig(), this.requiredProperties);
	if (!pvs.isEmpty()) {
		try {
			// 将当前的这个 Servlet 类转换为一个 BeanWrapper，从而能够以 Spring 的方式对 init—param 的值注入
			BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
			ResourceLoader resourceLoader = new ServletContextResourceLoader(getServletContext());
			// 注册自定义属性编辑器，一旦遇到 Resource 类型的属性将会使用 ResourceEditor 进行解析
			bw.registerCustomEditor(Resource.class, new ResourceEditor(resourceLoader, getEnvironment()));
			// 空实现，留给子类覆盖
			initBeanWrapper(bw);
			bw.setPropertyValues(pvs, true);
		}
		catch (BeansException ex) {
			if (logger.isErrorEnabled()) {
				logger.error("Failed to set bean properties on servlet '" + getServletName() + "'", ex);
			}
			throw ex;
		}
	}

	// Let subclasses do whatever initialization they like.
	// 初始化 servletBean （让子类实现，这里它的实现子类是 FrameworkServlet）
	initServletBean();
}
 

/**
 * Map config parameters onto bean properties of this servlet, and
 * invoke subclass initialization.
 * @throws ServletException if bean properties are invalid (or required
 * properties are missing), or if subclass initialization fails.
 */
@Override
public final void init() throws ServletException {
	if (logger.isDebugEnabled()) {
		logger.debug("Initializing servlet '" + getServletName() + "'");
	}

	// Set bean properties from init parameters.
	try {
		PropertyValues pvs = new ServletConfigPropertyValues(getServletConfig(), this.requiredProperties);
		BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
		ResourceLoader resourceLoader = new ServletContextResourceLoader(getServletContext());
		bw.registerCustomEditor(Resource.class, new ResourceEditor(resourceLoader, getEnvironment()));
		initBeanWrapper(bw);
		bw.setPropertyValues(pvs, true);
	}
	catch (BeansException ex) {
		logger.error("Failed to set bean properties on servlet '" + getServletName() + "'", ex);
		throw ex;
	}

	// Let subclasses do whatever initialization they like.
	initServletBean();

	if (logger.isDebugEnabled()) {
		logger.debug("Servlet '" + getServletName() + "' configured successfully");
	}
}
 

@Override
public Object annotationAtField(Annotation t, Object value, String beanName, PropertyValues pvs,
                                DefaultListableBeanFactory beanFactory, Field field) throws BeansException {
    if (t instanceof RpcProxy) {
        try {
            LOGGER.info("Annotation 'BrpcProxy' on field '" + field.getName() + "' for target '" + beanName
                    + "' created");
            return parseRpcProxyAnnotation((RpcProxy) t, field.getType(), beanFactory);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

    return value;
}
 

@Override
protected RootBeanDefinition createContainerFactory(String factoryId, Element containerEle, ParserContext parserContext,
		PropertyValues commonContainerProperties, PropertyValues specificContainerProperties) {

	RootBeanDefinition factoryDef = new RootBeanDefinition();
	factoryDef.setBeanClassName("org.springframework.jms.config.DefaultJcaListenerContainerFactory");

	factoryDef.getPropertyValues().addPropertyValues(commonContainerProperties);
	factoryDef.getPropertyValues().addPropertyValues(specificContainerProperties);

	return factoryDef;
}
 

@Override
public Object annotationAtField(Annotation t, Object value, String beanName, PropertyValues pvs,
                                DefaultListableBeanFactory beanFactory, Field field) throws BeansException {
    if (t instanceof RpcProxy) {
        try {
            log.info("Annotation 'BrpcProxy' on field '" + field.getName() + "' for target '" + beanName
                    + "' created");
            return parseRpcProxyAnnotation((RpcProxy) t, field.getType(), beanFactory);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

    return value;
}