org.springframework.beans.factory.xml.XmlReaderContext#error ( )源码实例Demo

/**
 * Resolves the script source from either the '{@code script-source}' attribute or
 * the '{@code inline-script}' element. Logs and {@link XmlReaderContext#error} and
 * returns {@code null} if neither or both of these values are specified.
 */
@Nullable
private String resolveScriptSource(Element element, XmlReaderContext readerContext) {
	boolean hasScriptSource = element.hasAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	List<Element> elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
	if (hasScriptSource && !elements.isEmpty()) {
		readerContext.error("Only one of 'script-source' and 'inline-script' should be specified.", element);
		return null;
	}
	else if (hasScriptSource) {
		return element.getAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	}
	else if (!elements.isEmpty()) {
		Element inlineElement = elements.get(0);
		return "inline:" + DomUtils.getTextValue(inlineElement);
	}
	else {
		readerContext.error("Must specify either 'script-source' or 'inline-script'.", element);
		return null;
	}
}
 

/**
 * Resolves the script source from either the '{@code script-source}' attribute or
 * the '{@code inline-script}' element. Logs and {@link XmlReaderContext#error} and
 * returns {@code null} if neither or both of these values are specified.
 */
@Nullable
private String resolveScriptSource(Element element, XmlReaderContext readerContext) {
	boolean hasScriptSource = element.hasAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	List<Element> elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
	if (hasScriptSource && !elements.isEmpty()) {
		readerContext.error("Only one of 'script-source' and 'inline-script' should be specified.", element);
		return null;
	}
	else if (hasScriptSource) {
		return element.getAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	}
	else if (!elements.isEmpty()) {
		Element inlineElement = elements.get(0);
		return "inline:" + DomUtils.getTextValue(inlineElement);
	}
	else {
		readerContext.error("Must specify either 'script-source' or 'inline-script'.", element);
		return null;
	}
}
 

/**
 * Resolves the script source from either the '{@code script-source}' attribute or
 * the '{@code inline-script}' element. Logs and {@link XmlReaderContext#error} and
 * returns {@code null} if neither or both of these values are specified.
 */
private String resolveScriptSource(Element element, XmlReaderContext readerContext) {
	boolean hasScriptSource = element.hasAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	List<Element> elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
	if (hasScriptSource && !elements.isEmpty()) {
		readerContext.error("Only one of 'script-source' and 'inline-script' should be specified.", element);
		return null;
	}
	else if (hasScriptSource) {
		return element.getAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	}
	else if (!elements.isEmpty()) {
		Element inlineElement = elements.get(0);
		return "inline:" + DomUtils.getTextValue(inlineElement);
	}
	else {
		readerContext.error("Must specify either 'script-source' or 'inline-script'.", element);
		return null;
	}
}
 

/**
 * Resolves the script source from either the '{@code script-source}' attribute or
 * the '{@code inline-script}' element. Logs and {@link XmlReaderContext#error} and
 * returns {@code null} if neither or both of these values are specified.
 */
private String resolveScriptSource(Element element, XmlReaderContext readerContext) {
	boolean hasScriptSource = element.hasAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	List<Element> elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
	if (hasScriptSource && !elements.isEmpty()) {
		readerContext.error("Only one of 'script-source' and 'inline-script' should be specified.", element);
		return null;
	}
	else if (hasScriptSource) {
		return element.getAttribute(SCRIPT_SOURCE_ATTRIBUTE);
	}
	else if (!elements.isEmpty()) {
		Element inlineElement = elements.get(0);
		return "inline:" + DomUtils.getTextValue(inlineElement);
	}
	else {
		readerContext.error("Must specify either 'script-source' or 'inline-script'.", element);
		return null;
	}
}
 

/**
 * Parse bean like a real bean definition.
 * @param ele element
 * @param parserContext parserContext
 * @param builder builder
 */
protected void parseBeanDefinition(Element ele, ParserContext parserContext, BeanDefinitionBuilder builder) {	
	BeanDefinitionParserDelegate delegate = parserContext.getDelegate();
	AbstractBeanDefinition bd = builder.getRawBeanDefinition();
	XmlReaderContext reader =  parserContext.getReaderContext();
	
	try {
		delegate.parseBeanDefinitionAttributes(ele, beanName, null , bd);
		bd.setDescription(DomUtils.getChildElementValueByTagName(ele, "description"));

		delegate.parseMetaElements(ele, bd);
		delegate.parseLookupOverrideSubElements(ele, bd.getMethodOverrides());
		delegate.parseReplacedMethodSubElements(ele, bd.getMethodOverrides());

		delegate.parseConstructorArgElements(ele, bd);
		delegate.parsePropertyElements(ele, bd);
		delegate.parseQualifierElements(ele, bd);

	}
	catch (NoClassDefFoundError err) {
		reader.error("Class that bean class [" + this.beanClass + "] depends on not found", ele, err);
	}
	catch (Throwable ex) {
		reader.error("Unexpected failure during bean definition parsing", ele, ex);
	}
	
}