Java RuntimeBeanReference.setSource方法代码示例

import org.springframework.beans.factory.config.RuntimeBeanReference; //导入方法依赖的package包/类
private Object parseRefElement(Element ele) {
	// A generic reference to any name of any component.
	String refName = ele.getAttribute(COMPONENT_ID_ATTR);
	if (!StringUtils.hasLength(refName)) {
		error("'" + COMPONENT_ID_ATTR + "' is required for <ref> element", ele);
		return null;
	}

	if (!StringUtils.hasText(refName)) {
		error("<ref> element contains empty target attribute", ele);
		return null;
	}
	RuntimeBeanReference ref = new InstanceEqualityRuntimeBeanReference(refName);
	ref.setSource(parserContext.extractSource(ele));
	return ref;
}
 

import org.springframework.beans.factory.config.RuntimeBeanReference; //导入方法依赖的package包/类
/**
 * Parse a value, ref or collection sub-element of a property or
 * constructor-arg element.
 * @param ele subelement of property element; we don't know which yet
 * @param defaultValueType the default type (class name) for any
 * {@code <value>} tag that might be created
 */
public Object parsePropertySubElement(Element ele, BeanDefinition bd, String defaultValueType) {
	if (!isDefaultNamespace(ele)) {
		return parseNestedCustomElement(ele, bd);
	}
	else if (nodeNameEquals(ele, BEAN_ELEMENT)) {
		BeanDefinitionHolder nestedBd = parseBeanDefinitionElement(ele, bd);
		if (nestedBd != null) {
			nestedBd = decorateBeanDefinitionIfRequired(ele, nestedBd, bd);
		}
		return nestedBd;
	}
	else if (nodeNameEquals(ele, REF_ELEMENT)) {
		// A generic reference to any name of any bean.
		String refName = ele.getAttribute(BEAN_REF_ATTRIBUTE);
		boolean toParent = false;
		if (!StringUtils.hasLength(refName)) {
			// A reference to the id of another bean in the same XML file.
			refName = ele.getAttribute(LOCAL_REF_ATTRIBUTE);
			if (!StringUtils.hasLength(refName)) {
				// A reference to the id of another bean in a parent context.
				refName = ele.getAttribute(PARENT_REF_ATTRIBUTE);
				toParent = true;
				if (!StringUtils.hasLength(refName)) {
					error("'bean', 'local' or 'parent' is required for <ref> element", ele);
					return null;
				}
			}
		}
		if (!StringUtils.hasText(refName)) {
			error("<ref> element contains empty target attribute", ele);
			return null;
		}
		RuntimeBeanReference ref = new RuntimeBeanReference(refName, toParent);
		ref.setSource(extractSource(ele));
		return ref;
	}
	else if (nodeNameEquals(ele, IDREF_ELEMENT)) {
		return parseIdRefElement(ele);
	}
	else if (nodeNameEquals(ele, VALUE_ELEMENT)) {
		return parseValueElement(ele, defaultValueType);
	}
	else if (nodeNameEquals(ele, NULL_ELEMENT)) {
		// It's a distinguished null value. Let's wrap it in a TypedStringValue
		// object in order to preserve the source location.
		TypedStringValue nullHolder = new TypedStringValue(null);
		nullHolder.setSource(extractSource(ele));
		return nullHolder;
	}
	else if (nodeNameEquals(ele, ARRAY_ELEMENT)) {
		return parseArrayElement(ele, bd);
	}
	else if (nodeNameEquals(ele, LIST_ELEMENT)) {
		return parseListElement(ele, bd);
	}
	else if (nodeNameEquals(ele, SET_ELEMENT)) {
		return parseSetElement(ele, bd);
	}
	else if (nodeNameEquals(ele, MAP_ELEMENT)) {
		return parseMapElement(ele, bd);
	}
	else if (nodeNameEquals(ele, PROPS_ELEMENT)) {
		return parsePropsElement(ele);
	}
	else {
		error("Unknown property sub-element: [" + ele.getNodeName() + "]", ele);
		return null;
	}
}
 

import org.springframework.beans.factory.config.RuntimeBeanReference; //导入方法依赖的package包/类
/**
 * Get the value of a property element. May be a list etc.
 * Also used for constructor arguments, "propertyName" being null in this case.
 */
public Object parsePropertyValue(Element ele, BeanDefinition bd, String propertyName) {
	String elementName = (propertyName != null) ?
					"<property> element for property '" + propertyName + "'" :
					"<constructor-arg> element";

	// Should only have one child element: ref, value, list, etc.
	NodeList nl = ele.getChildNodes();
	Element subElement = null;
	for (int i = 0; i < nl.getLength(); i++) {
		Node node = nl.item(i);
		if (node instanceof Element && !nodeNameEquals(node, DESCRIPTION_ELEMENT) &&
				!nodeNameEquals(node, META_ELEMENT)) {
			// Child element is what we're looking for.
			if (subElement != null) {
				error(elementName + " must not contain more than one sub-element", ele);
			}
			else {
				subElement = (Element) node;
			}
		}
	}

	boolean hasRefAttribute = ele.hasAttribute(REF_ATTRIBUTE);
	boolean hasValueAttribute = ele.hasAttribute(VALUE_ATTRIBUTE);
	if ((hasRefAttribute && hasValueAttribute) ||
			((hasRefAttribute || hasValueAttribute) && subElement != null)) {
		error(elementName +
				" is only allowed to contain either 'ref' attribute OR 'value' attribute OR sub-element", ele);
	}

	if (hasRefAttribute) {
		String refName = ele.getAttribute(REF_ATTRIBUTE);
		if (!StringUtils.hasText(refName)) {
			error(elementName + " contains empty 'ref' attribute", ele);
		}
		RuntimeBeanReference ref = new RuntimeBeanReference(refName);
		ref.setSource(extractSource(ele));
		return ref;
	}
	else if (hasValueAttribute) {
		TypedStringValue valueHolder = new TypedStringValue(ele.getAttribute(VALUE_ATTRIBUTE));
		valueHolder.setSource(extractSource(ele));
		return valueHolder;
	}
	else if (subElement != null) {
		return parsePropertySubElement(subElement, bd);
	}
	else {
		// Neither child element nor "ref" or "value" attribute found.
		error(elementName + " must specify a ref or value", ele);
		return null;
	}
}
 

import org.springframework.beans.factory.config.RuntimeBeanReference; //导入方法依赖的package包/类
/**
 * Parse a value, ref or collection sub-element of a property or
 * constructor-arg element.
 * @param ele subelement of property element; we don't know which yet
 * @param defaultValueType the default type (class name) for any
 * {@code <value>} tag that might be created
 */
public Object parsePropertySubElement(Element ele, BeanDefinition bd, String defaultValueType) {
	if (!isDefaultNamespace(ele)) {
		return parseNestedCustomElement(ele, bd);
	}
	else if (nodeNameEquals(ele, BEAN_ELEMENT)) {
		BeanDefinitionHolder nestedBd = parseBeanDefinitionElement(ele, bd);
		if (nestedBd != null) {
			nestedBd = decorateBeanDefinitionIfRequired(ele, nestedBd, bd);
		}
		return nestedBd;
	}
	else if (nodeNameEquals(ele, REF_ELEMENT)) {
		// A generic reference to any name of any bean.
		String refName = ele.getAttribute(BEAN_REF_ATTRIBUTE);
		boolean toParent = false;
		if (!StringUtils.hasLength(refName)) {
			// A reference to the id of another bean in the same XML file.
			refName = ele.getAttribute(LOCAL_REF_ATTRIBUTE);
			if (!StringUtils.hasLength(refName)) {
				// A reference to the id of another bean in a parent context.
				refName = ele.getAttribute(PARENT_REF_ATTRIBUTE);
				toParent = true;
				if (!StringUtils.hasLength(refName)) {
					error("'bean', 'local' or 'parent' is required for <ref> element", ele);
					return null;
				}
			}
		}
		if (!StringUtils.hasText(refName)) {
			error("<ref> element contains empty target attribute", ele);
			return null;
		}
		RuntimeBeanReference ref = new RuntimeBeanReference(refName, toParent);
		ref.setSource(extractSource(ele));
		return ref;
	}
	else if (nodeNameEquals(ele, IDREF_ELEMENT)) {
		return parseIdRefElement(ele);
	}
	else if (nodeNameEquals(ele, VALUE_ELEMENT)) {
		return parseValueElement(ele, defaultValueType);
	}
	else if (nodeNameEquals(ele, NULL_ELEMENT)) {
		// It's a distinguished null value. Let's wrap it in a TypedStringValue
		// object in order to preserve the source location.
		TypedStringValue nullHolder = new TypedStringValue(null);
		nullHolder.setSource(extractSource(ele));
		return nullHolder;
	}
	else if (nodeNameEquals(ele, ARRAY_ELEMENT)) {
		return parseArrayElement(ele, bd);
	}
	else if (nodeNameEquals(ele, LIST_ELEMENT)) {
		return parseListElement(ele, bd);
	}
	else if (nodeNameEquals(ele, SET_ELEMENT)) {
		return parseSetElement(ele, bd);
	}
	else if (nodeNameEquals(ele, MAP_ELEMENT)) {
		return parseMapElement(ele, bd);
	}
	else if (nodeNameEquals(ele, PROPS_ELEMENT)) {
		return parsePropsElement(ele);
	}
	else {
		error("Unknown property sub-element: [" + ele.getNodeName() + "]", ele);
		return null;
	}
}