org.springframework.aop.aspectj.DeclareParentsAdvisor Java Examples

The following examples show how to use org.springframework.aop.aspectj.DeclareParentsAdvisor. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ReflectiveAspectJAdvisorFactory.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
/**
 * Build a {@link org.springframework.aop.aspectj.DeclareParentsAdvisor}
 * for the given introduction field.
 * <p>Resulting Advisors will need to be evaluated for targets.
 * @param introductionField the field to introspect
 * @return the Advisor instance, or {@code null} if not an Advisor
 */
@Nullable
private Advisor getDeclareParentsAdvisor(Field introductionField) {
	DeclareParents declareParents = introductionField.getAnnotation(DeclareParents.class);
	if (declareParents == null) {
		// Not an introduction field
		return null;
	}

	if (DeclareParents.class == declareParents.defaultImpl()) {
		throw new IllegalStateException("'defaultImpl' attribute must be set on DeclareParents");
	}

	return new DeclareParentsAdvisor(
			introductionField.getType(), declareParents.value(), declareParents.defaultImpl());
}
Example #2
Source File: ConfigBeanDefinitionParser.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
/**
 * Parse a '{@code declare-parents}' element and register the appropriate
 * DeclareParentsAdvisor with the BeanDefinitionRegistry encapsulated in the
 * supplied ParserContext.
 */
private AbstractBeanDefinition parseDeclareParents(Element declareParentsElement, ParserContext parserContext) {
	BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(DeclareParentsAdvisor.class);
	builder.addConstructorArgValue(declareParentsElement.getAttribute(IMPLEMENT_INTERFACE));
	builder.addConstructorArgValue(declareParentsElement.getAttribute(TYPE_PATTERN));

	String defaultImpl = declareParentsElement.getAttribute(DEFAULT_IMPL);
	String delegateRef = declareParentsElement.getAttribute(DELEGATE_REF);

	if (StringUtils.hasText(defaultImpl) && !StringUtils.hasText(delegateRef)) {
		builder.addConstructorArgValue(defaultImpl);
	}
	else if (StringUtils.hasText(delegateRef) && !StringUtils.hasText(defaultImpl)) {
		builder.addConstructorArgReference(delegateRef);
	}
	else {
		parserContext.getReaderContext().error(
				"Exactly one of the " + DEFAULT_IMPL + " or " + DELEGATE_REF + " attributes must be specified",
				declareParentsElement, this.parseState.snapshot());
	}

	AbstractBeanDefinition definition = builder.getBeanDefinition();
	definition.setSource(parserContext.extractSource(declareParentsElement));
	parserContext.getReaderContext().registerWithGeneratedName(definition);
	return definition;
}
Example #3
Source File: ReflectiveAspectJAdvisorFactory.java    From java-technology-stack with MIT License 6 votes vote down vote up 
/**
 * Build a {@link org.springframework.aop.aspectj.DeclareParentsAdvisor}
 * for the given introduction field.
 * <p>Resulting Advisors will need to be evaluated for targets.
 * @param introductionField the field to introspect
 * @return the Advisor instance, or {@code null} if not an Advisor
 */
@Nullable
private Advisor getDeclareParentsAdvisor(Field introductionField) {
	DeclareParents declareParents = introductionField.getAnnotation(DeclareParents.class);
	if (declareParents == null) {
		// Not an introduction field
		return null;
	}

	if (DeclareParents.class == declareParents.defaultImpl()) {
		throw new IllegalStateException("'defaultImpl' attribute must be set on DeclareParents");
	}

	return new DeclareParentsAdvisor(
			introductionField.getType(), declareParents.value(), declareParents.defaultImpl());
}
Example #4
Source File: ConfigBeanDefinitionParser.java    From java-technology-stack with MIT License 6 votes vote down vote up 
/**
 * Parse a '{@code declare-parents}' element and register the appropriate
 * DeclareParentsAdvisor with the BeanDefinitionRegistry encapsulated in the
 * supplied ParserContext.
 */
private AbstractBeanDefinition parseDeclareParents(Element declareParentsElement, ParserContext parserContext) {
	BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(DeclareParentsAdvisor.class);
	builder.addConstructorArgValue(declareParentsElement.getAttribute(IMPLEMENT_INTERFACE));
	builder.addConstructorArgValue(declareParentsElement.getAttribute(TYPE_PATTERN));

	String defaultImpl = declareParentsElement.getAttribute(DEFAULT_IMPL);
	String delegateRef = declareParentsElement.getAttribute(DELEGATE_REF);

	if (StringUtils.hasText(defaultImpl) && !StringUtils.hasText(delegateRef)) {
		builder.addConstructorArgValue(defaultImpl);
	}
	else if (StringUtils.hasText(delegateRef) && !StringUtils.hasText(defaultImpl)) {
		builder.addConstructorArgReference(delegateRef);
	}
	else {
		parserContext.getReaderContext().error(
				"Exactly one of the " + DEFAULT_IMPL + " or " + DELEGATE_REF + " attributes must be specified",
				declareParentsElement, this.parseState.snapshot());
	}

	AbstractBeanDefinition definition = builder.getBeanDefinition();
	definition.setSource(parserContext.extractSource(declareParentsElement));
	parserContext.getReaderContext().registerWithGeneratedName(definition);
	return definition;
}
Example #5
Source File: ConfigBeanDefinitionParser.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Parse a '{@code declare-parents}' element and register the appropriate
 * DeclareParentsAdvisor with the BeanDefinitionRegistry encapsulated in the
 * supplied ParserContext.
 */
private AbstractBeanDefinition parseDeclareParents(Element declareParentsElement, ParserContext parserContext) {
	BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(DeclareParentsAdvisor.class);
	builder.addConstructorArgValue(declareParentsElement.getAttribute(IMPLEMENT_INTERFACE));
	builder.addConstructorArgValue(declareParentsElement.getAttribute(TYPE_PATTERN));

	String defaultImpl = declareParentsElement.getAttribute(DEFAULT_IMPL);
	String delegateRef = declareParentsElement.getAttribute(DELEGATE_REF);

	if (StringUtils.hasText(defaultImpl) && !StringUtils.hasText(delegateRef)) {
		builder.addConstructorArgValue(defaultImpl);
	}
	else if (StringUtils.hasText(delegateRef) && !StringUtils.hasText(defaultImpl)) {
		builder.addConstructorArgReference(delegateRef);
	}
	else {
		parserContext.getReaderContext().error(
				"Exactly one of the " + DEFAULT_IMPL + " or " + DELEGATE_REF + " attributes must be specified",
				declareParentsElement, this.parseState.snapshot());
	}

	AbstractBeanDefinition definition = builder.getBeanDefinition();
	definition.setSource(parserContext.extractSource(declareParentsElement));
	parserContext.getReaderContext().registerWithGeneratedName(definition);
	return definition;
}
Example #6
Source File: ReflectiveAspectJAdvisorFactory.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * Build a {@link org.springframework.aop.aspectj.DeclareParentsAdvisor}
 * for the given introduction field.
 * <p>Resulting Advisors will need to be evaluated for targets.
 * @param introductionField the field to introspect
 * @return {@code null} if not an Advisor
 */
private Advisor getDeclareParentsAdvisor(Field introductionField) {
	DeclareParents declareParents = introductionField.getAnnotation(DeclareParents.class);
	if (declareParents == null) {
		// Not an introduction field
		return null;
	}

	if (DeclareParents.class == declareParents.defaultImpl()) {
		// This is what comes back if it wasn't set. This seems bizarre...
		// TODO this restriction possibly should be relaxed
		throw new IllegalStateException("defaultImpl must be set on DeclareParents");
	}

	return new DeclareParentsAdvisor(
			introductionField.getType(), declareParents.value(), declareParents.defaultImpl());
}
Example #7
Source File: ConfigBeanDefinitionParser.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * Parse a '{@code declare-parents}' element and register the appropriate
 * DeclareParentsAdvisor with the BeanDefinitionRegistry encapsulated in the
 * supplied ParserContext.
 */
private AbstractBeanDefinition parseDeclareParents(Element declareParentsElement, ParserContext parserContext) {
	BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(DeclareParentsAdvisor.class);
	builder.addConstructorArgValue(declareParentsElement.getAttribute(IMPLEMENT_INTERFACE));
	builder.addConstructorArgValue(declareParentsElement.getAttribute(TYPE_PATTERN));

	String defaultImpl = declareParentsElement.getAttribute(DEFAULT_IMPL);
	String delegateRef = declareParentsElement.getAttribute(DELEGATE_REF);

	if (StringUtils.hasText(defaultImpl) && !StringUtils.hasText(delegateRef)) {
		builder.addConstructorArgValue(defaultImpl);
	}
	else if (StringUtils.hasText(delegateRef) && !StringUtils.hasText(defaultImpl)) {
		builder.addConstructorArgReference(delegateRef);
	}
	else {
		parserContext.getReaderContext().error(
				"Exactly one of the " + DEFAULT_IMPL + " or " + DELEGATE_REF + " attributes must be specified",
				declareParentsElement, this.parseState.snapshot());
	}

	AbstractBeanDefinition definition = builder.getBeanDefinition();
	definition.setSource(parserContext.extractSource(declareParentsElement));
	parserContext.getReaderContext().registerWithGeneratedName(definition);
	return definition;
}
Example #8
Source File: ReflectiveAspectJAdvisorFactory.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Build a {@link org.springframework.aop.aspectj.DeclareParentsAdvisor}
 * for the given introduction field.
 * <p>Resulting Advisors will need to be evaluated for targets.
 * @param introductionField the field to introspect
 * @return {@code null} if not an Advisor
 */
private Advisor getDeclareParentsAdvisor(Field introductionField) {
	DeclareParents declareParents = introductionField.getAnnotation(DeclareParents.class);
	if (declareParents == null) {
		// Not an introduction field
		return null;
	}

	if (DeclareParents.class == declareParents.defaultImpl()) {
		throw new IllegalStateException("'defaultImpl' attribute must be set on DeclareParents");
	}

	return new DeclareParentsAdvisor(
			introductionField.getType(), declareParents.value(), declareParents.defaultImpl());
}