TypeExcludeFilter Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/TypeExcludeFilter.java lines 52–96

public class TypeExcludeFilter implements TypeFilter, BeanFactoryAware {

	@SuppressWarnings("NullAway.Init")
	private BeanFactory beanFactory;

	private @Nullable Collection<TypeExcludeFilter> delegates;

	@Override
	public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
		this.beanFactory = beanFactory;
	}

	@Override
	public boolean match(MetadataReader metadataReader, MetadataReaderFactory metadataReaderFactory)
			throws IOException {
		if (this.beanFactory instanceof ListableBeanFactory && getClass() == TypeExcludeFilter.class) {
			for (TypeExcludeFilter delegate : getDelegates()) {
				if (delegate.match(metadataReader, metadataReaderFactory)) {
					return true;
				}
			}
		}
		return false;
	}

	private Collection<TypeExcludeFilter> getDelegates() {
		Collection<TypeExcludeFilter> delegates = this.delegates;
		if (delegates == null) {
			delegates = ((ListableBeanFactory) this.beanFactory).getBeansOfType(TypeExcludeFilter.class).values();
			this.delegates = delegates;
		}
		return delegates;
	}

	@Override
	public boolean equals(@Nullable Object obj) {
		throw new IllegalStateException("TypeExcludeFilter " + getClass() + " has not implemented equals");
	}

	@Override
	public int hashCode() {
		throw new IllegalStateException("TypeExcludeFilter " + getClass() + " has not implemented hashCode");
	}

}