import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Create a new {@link ConfigurationClassBeanDefinitionReader} instance that will be used
 * to populate the given {@link BeanDefinitionRegistry}.
 */
public ConfigurationClassBeanDefinitionReader(BeanDefinitionRegistry registry, SourceExtractor sourceExtractor,
		ProblemReporter problemReporter, MetadataReaderFactory metadataReaderFactory,
		ResourceLoader resourceLoader, Environment environment, BeanNameGenerator importBeanNameGenerator) {

	this.registry = registry;
	this.sourceExtractor = sourceExtractor;
	this.problemReporter = problemReporter;
	this.metadataReaderFactory = metadataReaderFactory;
	this.resourceLoader = resourceLoader;
	this.environment = environment;
	this.importBeanNameGenerator = importBeanNameGenerator;
	this.conditionEvaluator = new ConditionEvaluator(registry, environment, resourceLoader);
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
public XmlReaderContext(
		Resource resource, ProblemReporter problemReporter,
		ReaderEventListener eventListener, SourceExtractor sourceExtractor,
		XmlBeanDefinitionReader reader, NamespaceHandlerResolver namespaceHandlerResolver) {

	super(resource, problemReporter, eventListener, sourceExtractor);
	this.reader = reader;
	this.namespaceHandlerResolver = namespaceHandlerResolver;
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
@Before
public void setUp() throws Exception {
	SourceExtractor sourceExtractor = new PassThroughSourceExtractor();
	XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(this.registry);
	XmlReaderContext readerContext =
			new XmlReaderContext(null, null, this.readerEventListener, sourceExtractor, reader, null);
	this.parserContext = new ParserContext(readerContext, null);
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Create a new {@link ConfigurationClassBeanDefinitionReader} instance that will be used
 * to populate the given {@link BeanDefinitionRegistry}.
 */
ConfigurationClassBeanDefinitionReader(BeanDefinitionRegistry registry, SourceExtractor sourceExtractor,
		ResourceLoader resourceLoader, Environment environment, BeanNameGenerator importBeanNameGenerator,
		ImportRegistry importRegistry) {

	this.registry = registry;
	this.sourceExtractor = sourceExtractor;
	this.resourceLoader = resourceLoader;
	this.environment = environment;
	this.importBeanNameGenerator = importBeanNameGenerator;
	this.importRegistry = importRegistry;
	this.conditionEvaluator = new ConditionEvaluator(registry, environment, resourceLoader);
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Create a new {@link ConfigurationClassBeanDefinitionReader} instance that will be used
 * to populate the given {@link BeanDefinitionRegistry}.
 */
public ConfigurationClassBeanDefinitionReader(
		BeanDefinitionRegistry registry, SourceExtractor sourceExtractor,
		ProblemReporter problemReporter, MetadataReaderFactory metadataReaderFactory,
		ResourceLoader resourceLoader, Environment environment, BeanNameGenerator importBeanNameGenerator) {

	this.registry = registry;
	this.sourceExtractor = sourceExtractor;
	this.problemReporter = problemReporter;
	this.metadataReaderFactory = metadataReaderFactory;
	this.resourceLoader = resourceLoader;
	this.environment = environment;
	this.importBeanNameGenerator = importBeanNameGenerator;
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Create a new {@link ConfigurationClassBeanDefinitionReader} instance that will be used to populate the given
 * {@link BeanDefinitionRegistry}.
 */
public ConfigurationClassBeanDefinitionReader(final BeanDefinitionRegistry registry, final SourceExtractor sourceExtractor,
    final ProblemReporter problemReporter, final MetadataReaderFactory metadataReaderFactory, final ResourceLoader resourceLoader,
    final Environment environment, final BeanNameGenerator importBeanNameGenerator) {

  this.registry = registry;
  this.sourceExtractor = sourceExtractor;
  this.problemReporter = problemReporter;
  this.metadataReaderFactory = metadataReaderFactory;
  this.resourceLoader = resourceLoader;
  this.environment = environment;
  this.importBeanNameGenerator = importBeanNameGenerator;
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Set the {@link SourceExtractor} to use for generated bean definitions
 * that correspond to {@link Bean} factory methods.
 */
public void setSourceExtractor(SourceExtractor sourceExtractor) {
	this.sourceExtractor = (sourceExtractor != null ? sourceExtractor : new PassThroughSourceExtractor());
}
 

import org.springframework.beans.factory.parsing.SourceExtractor; //导入依赖的package包/类
/**
 * Specify the {@link SourceExtractor} to use.
 * <p>The default implementation is {@link NullSourceExtractor} which simply returns {@code null}
 * as the source object. This means that - during normal runtime execution -
 * no additional source metadata is attached to the bean configuration metadata.
 */
public void setSourceExtractor(SourceExtractor sourceExtractor) {
	this.sourceExtractor = (sourceExtractor != null ? sourceExtractor : new NullSourceExtractor());
}