framework 类关系图1

BeanDefinitionParserDelegate

继承

Environment

BeanDefinitionReader

Resource

ScannedGenericBeanDefinition

依赖

DefaultBeanDefinitionDocumentReader

GenericBeanDefinition

AbstractApplicationContext依赖该元素(初始化时赋值)

AbstractFileResolvingResource

ConfigurationClassBeanDefinition

ResourceLoader

RootBeanDefinition

AbstractBeanDefinition

StandardEnvironment

AbstractResource

AnnotatedGenericBeanDefinition

EntityResolver

ResourceEntityResolver

AbstractPropertyResolver

BeanDefinitionRegistry

MutablePropertySources

InputStreamSource

DefaultResourceLoader

PathMatchingResourcePatternResolver

Iterable

AbstractEnvironment

DelegatingEntityResolver

处理占位符

AnnotatedBeanDefinition

beanDefinitionMap

ConfigurableEnvironment

XmlBeanDefinitionReader

主要的解析类

ClassPathResource

PropertySourcesPropertyResolver

PropertySources

BeanDefinitionDocumentReader

ChildBeanDefinition

EncodedResource

ResourcePatternResolver

PropertyResolver

AbstractApplicationContext

ConfigurablePropertyResolver

AbstractBeanDefinitionReader

PropertyPlaceholderHelper

AbstractApplicationContext中有ConfigurableEnvironment和ResourcePatternResolver信息，AbstractBeanDefinitionReader中有Environment和ResourceLoader信息，这个地方的信息进行了重新的加载。AbstractXmlApplicationContext的loadBeanDefinitions中，新new的XmlBeanDefinitionReader进行了再次赋值，值为AbstractApplicationContext初始化的数据

DefaultListableBeanFactory

BeanDefinition