Example usage for org.springframework.beans.factory.xml BeanDefinitionParserDelegate CLASS_ATTRIBUTE

Introduction

In this page you can find the example usage for org.springframework.beans.factory.xml BeanDefinitionParserDelegate CLASS_ATTRIBUTE.

Prototype

String CLASS_ATTRIBUTE

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Usage

From source file:org.eclipse.gemini.blueprint.blueprint.config.internal.BlueprintParser.java

/**
 * Parse the bean definition itself, without regard to name or aliases. May return <code>null</code> if problems
 * occurred during the parse of the bean definition.
 *//*from www.  j av  a 2  s  .com*/
private AbstractBeanDefinition parseBeanDefinitionElement(Element ele, String beanName,
        BeanDefinition containingBean) {

    this.parseState.push(new BeanEntry(beanName));

    String className = null;
    if (ele.hasAttribute(BeanDefinitionParserDelegate.CLASS_ATTRIBUTE)) {
        className = ele.getAttribute(BeanDefinitionParserDelegate.CLASS_ATTRIBUTE).trim();
    }

    try {
        AbstractBeanDefinition beanDefinition = BeanDefinitionReaderUtils.createBeanDefinition(null, className,
                parserContext.getReaderContext().getBeanClassLoader());

        // some early validation
        String activation = ele.getAttribute(LAZY_INIT_ATTR);
        String scope = ele.getAttribute(BeanDefinitionParserDelegate.SCOPE_ATTRIBUTE);

        if (EAGER_INIT_VALUE.equals(activation) && BeanDefinition.SCOPE_PROTOTYPE.equals(scope)) {
            error("Prototype beans cannot be eagerly activated", ele);
        }

        // add marker to indicate that the scope was present
        if (StringUtils.hasText(scope)) {
            beanDefinition.setAttribute(DECLARED_SCOPE, Boolean.TRUE);
        }

        // parse attributes
        parseAttributes(ele, beanName, beanDefinition);

        // inner beans get a predefined scope in RFC 124
        if (containingBean != null) {
            beanDefinition.setLazyInit(true);
            beanDefinition.setScope(BeanDefinition.SCOPE_PROTOTYPE);
        }

        // parse description
        beanDefinition.setDescription(
                DomUtils.getChildElementValueByTagName(ele, BeanDefinitionParserDelegate.DESCRIPTION_ELEMENT));

        parseConstructorArgElements(ele, beanDefinition);
        parsePropertyElements(ele, beanDefinition);

        beanDefinition.setResource(parserContext.getReaderContext().getResource());
        beanDefinition.setSource(extractSource(ele));

        return beanDefinition;
    } catch (ClassNotFoundException ex) {
        error("Bean class [" + className + "] not found", ele, ex);
    } catch (NoClassDefFoundError err) {
        error("Class that bean class [" + className + "] depends on not found", ele, err);
    } catch (Throwable ex) {
        error("Unexpected failure during bean definition parsing", ele, ex);
    } finally {
        this.parseState.pop();
    }

    return null;
}

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