Example usage for org.springframework.core.type AnnotationMetadata getMetaAnnotationTypes

Introduction

In this page you can find the example usage for org.springframework.core.type AnnotationMetadata getMetaAnnotationTypes.

Prototype

default Set<String> getMetaAnnotationTypes(String annotationName) 

Source Link

Document

Get the fully qualified class names of all meta-annotation types that are present on the given annotation type on the underlying class.

Usage

From source file:org.talend.daikon.spring.BndToSpringBeanNameGenerator.java

/**
 * Derive a bean name from one of the annotations on the class. First delegate to the super class and if it is not a
 * spring annotation then check for the bnd annotation
 * /*from w ww  .  j  a  v a 2 s .  c o  m*/
 * @param annotatedDef the annotation-aware bean definition
 * @return the bean name, or {@code null} if none is found
 */
@Override
protected String determineBeanNameFromAnnotation(AnnotatedBeanDefinition annotatedDef) {
    String beanName = super.determineBeanNameFromAnnotation(annotatedDef);
    if (beanName != null) {
        return beanName;
    } // else check for BND annotation
    AnnotationMetadata amd = annotatedDef.getMetadata();
    Set<String> types = amd.getAnnotationTypes();
    for (String type : types) {
        AnnotationAttributes attributes = AnnotationAttributes
                .fromMap(amd.getAnnotationAttributes(type, false));
        if (isStereotypeWithBndNameValue(type, amd.getMetaAnnotationTypes(type), attributes)) {
            Object value = attributes.get("name");
            if (value instanceof String) {
                String strVal = (String) value;
                if (StringUtils.hasLength(strVal)) {
                    if (beanName != null && !strVal.equals(beanName)) {
                        throw new IllegalStateException("Stereotype annotations suggest inconsistent "
                                + "component names: '" + beanName + "' versus '" + strVal + "'");
                    }
                    beanName = strVal;
                }
            }
        }
    }
    return beanName;
}

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From source file:org.springframework.integration.config.MessagingGatewayRegistrar.java

/**
 * TODO until SPR-11710 will be resolved.
 * Captures the meta-annotation attribute values, in order.
 * @param importingClassMetadata The importing class metadata
 * @return The captured values.//  w  w w  .  jav a 2 s .  c  om
 */
private List<MultiValueMap<String, Object>> captureMetaAnnotationValues(
        AnnotationMetadata importingClassMetadata) {
    Set<String> directAnnotations = importingClassMetadata.getAnnotationTypes();
    List<MultiValueMap<String, Object>> valuesHierarchy = new ArrayList<MultiValueMap<String, Object>>();
    // Need to grab the values now; see SPR-11710
    for (String ann : directAnnotations) {
        Set<String> chain = importingClassMetadata.getMetaAnnotationTypes(ann);
        if (chain.contains(MessagingGateway.class.getName())) {
            for (String meta : chain) {
                valuesHierarchy.add(importingClassMetadata.getAllAnnotationAttributes(meta));
            }
        }
    }
    return valuesHierarchy;
}

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