Example usage for org.springframework.beans.factory.parsing BeanComponentDefinition BeanComponentDefinition

Introduction

In this page you can find the example usage for org.springframework.beans.factory.parsing BeanComponentDefinition BeanComponentDefinition.

Prototype

public BeanComponentDefinition(BeanDefinition beanDefinition, String beanName, @Nullable String[] aliases) 

Source Link

Document

Create a new BeanComponentDefinition for the given bean.

Usage

From source file:org.jdal.beans.ServiceBeanDefinitionParser.java

/**
 * {@inheritDoc}/*from w ww.  java  2  s. co  m*/
 */
public AbstractBeanDefinition parse(Element element, ParserContext parserContext) {

    // default dao and service classes
    String daoClassName = JPA_DAO_CLASS_NAME;
    String serviceClassName = PERSISTENT_SERVICE_CLASS_NAME;
    String name = null;
    boolean declareService = false;

    if (element.hasAttribute(DAO_CLASS))
        daoClassName = element.getAttribute(DAO_CLASS);

    if (element.hasAttribute(SERVICE_CLASS)) {
        serviceClassName = element.getAttribute(SERVICE_CLASS);
        declareService = true;
    }

    if (element.hasAttribute(NAME))
        name = element.getAttribute(NAME);

    if (element.hasAttribute(ENTITY)) {
        String className = element.getAttribute(ENTITY);
        if (name == null) {
            name = StringUtils
                    .uncapitalize(StringUtils.substringAfterLast(className, PropertyUtils.PROPERTY_SEPARATOR));
        }
        parserContext.pushContainingComponent(
                new CompositeComponentDefinition(name, parserContext.extractSource(element)));

        // Dao
        BeanDefinitionBuilder daoBuilder = BeanDefinitionBuilder.genericBeanDefinition(daoClassName);
        NodeList nl = element.getElementsByTagNameNS(element.getNamespaceURI(), CRITERIA);
        if (nl.getLength() > 0) {
            ManagedMap<String, BeanReference> builders = new ManagedMap<String, BeanReference>(nl.getLength());
            for (int i = 0; i < nl.getLength(); i++) {
                Element e = (Element) nl.item(i);
                builders.put(e.getAttribute(NAME), new RuntimeBeanReference(e.getAttribute(BUILDER)));
            }
            daoBuilder.addPropertyValue(CRITERIA_BUILDER_MAP, builders);
        }

        daoBuilder.addConstructorArgValue(ClassUtils.resolveClassName(className, null));
        daoBuilder.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_BY_TYPE);
        String daoBeanName;

        if (declareService) {
            // use dao suffix
            daoBeanName = name + DAO_SUFFIX;
            registerBeanDefinition(parserContext, daoBuilder, daoBeanName);

            // register service wrapper
            String serviceBeanName = name + SERVICE_SUFFIX;
            BeanDefinitionBuilder serviceBuilder = BeanDefinitionBuilder
                    .genericBeanDefinition(serviceClassName);
            serviceBuilder.addPropertyReference("dao", daoBeanName);
            registerBeanDefinition(parserContext, serviceBuilder, serviceBeanName);
        } else {
            // use service suffix for dao and declare an alias with dao suffix for compatibility with older api.
            daoBeanName = name + SERVICE_SUFFIX;
            String[] aliases = new String[] { name + DAO_SUFFIX };
            BeanComponentDefinition bcd = new BeanComponentDefinition(daoBuilder.getBeanDefinition(),
                    daoBeanName, aliases);
            parserContext.registerBeanComponent(bcd);
        }

        parserContext.popAndRegisterContainingComponent();
    }

    return null;
}

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