ConfigurationPropertiesBeanFactoryInitializationAotProcessor Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/properties/ConfigurationPropertiesBeanFactoryInitializationAotProcessor.java lines 43–85

class ConfigurationPropertiesBeanFactoryInitializationAotProcessor implements BeanFactoryInitializationAotProcessor {

	@Override
	public @Nullable ConfigurationPropertiesReflectionHintsContribution processAheadOfTime(
			ConfigurableListableBeanFactory beanFactory) {
		String[] beanNames = beanFactory.getBeanNamesForAnnotation(ConfigurationProperties.class);
		List<Bindable<?>> bindables = new ArrayList<>();
		for (String beanName : beanNames) {
			Class<?> beanType = beanFactory.getType(beanName, false);
			if (beanType != null) {
				BindMethod bindMethod = beanFactory.containsBeanDefinition(beanName)
						? (BindMethod) beanFactory.getBeanDefinition(beanName).getAttribute(BindMethod.class.getName())
						: null;
				bindables.add(Bindable.of(ClassUtils.getUserClass(beanType))
					.withBindMethod((bindMethod != null) ? bindMethod : BindMethod.JAVA_BEAN));
			}
		}
		return (!bindables.isEmpty()) ? new ConfigurationPropertiesReflectionHintsContribution(bindables) : null;
	}

	static final class ConfigurationPropertiesReflectionHintsContribution
			implements BeanFactoryInitializationAotContribution {

		private final List<Bindable<?>> bindables;

		private ConfigurationPropertiesReflectionHintsContribution(List<Bindable<?>> bindables) {
			this.bindables = bindables;
		}

		@Override
		public void applyTo(GenerationContext generationContext,
				BeanFactoryInitializationCode beanFactoryInitializationCode) {
			BindableRuntimeHintsRegistrar.forBindables(this.bindables)
				.registerHints(generationContext.getRuntimeHints());
		}

		Iterable<Bindable<?>> getBindables() {
			return this.bindables;
		}

	}

}