Example usage for org.springframework.context.annotation ClassPathBeanDefinitionScanner findCandidateComponents

Introduction

In this page you can find the example usage for org.springframework.context.annotation ClassPathBeanDefinitionScanner findCandidateComponents.

Prototype

public Set<BeanDefinition> findCandidateComponents(String basePackage) 

Source Link

Document

Scan the class path for candidate components.

Usage

From source file:info.sargis.eventbus.config.EventBusHandlerBeanDefinitionParser.java

protected Set<RuntimeBeanReference> getHandlers(Element element, ParserContext parserContext) {

    String[] basePackages = StringUtils.tokenizeToStringArray(element.getAttribute(BASE_PACKAGE_ATTRIBUTE),
            ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);

    ClassPathBeanDefinitionScanner scanner = configureScanner(parserContext, element);
    Set<RuntimeBeanReference> candidates = new ManagedSet<RuntimeBeanReference>(32);

    for (String basePackage : basePackages) {
        Set<BeanDefinition> components = scanner.findCandidateComponents(basePackage);
        for (BeanDefinition component : components) {
            if (isEventBusHandlerCandidate(component, parserContext)) {
                candidates.add(defineRuntimeBeanReference(parserContext, component));
            } else {
                logger.warn(String.format(
                        "Found EventBus handler candidate: %s, but without @Subscribe annotation on any public method",
                        component));/*from w w  w  .jav a2  s  .  com*/
            }
        }
    }

    return candidates;
}

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