List of usage examples for org.springframework.beans.factory.xml BeanDefinitionParserDelegate VALUE_ATTRIBUTE
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From source file:org.eclipse.gemini.blueprint.blueprint.config.internal.BlueprintParser.java
private 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;//w w w .ja v a 2 s. c om for (int i = 0; i < nl.getLength(); i++) { Node node = nl.item(i); if (node instanceof Element && !DomUtils.nodeNameEquals(node, BeanDefinitionParserDelegate.DESCRIPTION_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(BeanDefinitionParserDelegate.REF_ATTRIBUTE); boolean hasValueAttribute = ele.hasAttribute(BeanDefinitionParserDelegate.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(BeanDefinitionParserDelegate.REF_ATTRIBUTE); if (!StringUtils.hasText(refName)) { error(elementName + " contains empty 'ref' attribute", ele); } RuntimeBeanReference ref = new RuntimeBeanReference(refName); ref.setSource(parserContext.extractSource(ele)); return ref; } else if (hasValueAttribute) { TypedStringValue valueHolder = new TypedStringValue( ele.getAttribute(BeanDefinitionParserDelegate.VALUE_ATTRIBUTE)); valueHolder.setSource(parserContext.extractSource(ele)); return valueHolder; } else if (subElement != null) { return parsePropertySubElement(subElement, bd, null); } else { // Neither child element nor "ref" or "value" attribute found. error(elementName + " must specify a ref or value", ele); return null; } }
From source file:org.eclipse.gemini.blueprint.blueprint.config.internal.BlueprintParser.java
/** * Parse a map element./* w w w . j a va 2 s . c o m*/ */ public Map<?, ?> parseMapElement(Element mapEle, BeanDefinition bd) { String defaultKeyType = mapEle.getAttribute(BeanDefinitionParserDelegate.KEY_TYPE_ATTRIBUTE); String defaultValueType = mapEle.getAttribute(BeanDefinitionParserDelegate.VALUE_TYPE_ATTRIBUTE); List<Element> entryEles = DomUtils.getChildElementsByTagName(mapEle, BeanDefinitionParserDelegate.ENTRY_ELEMENT); ManagedMap<Object, Object> map = new ManagedMap<Object, Object>(entryEles.size()); map.setSource(extractSource(mapEle)); map.setKeyTypeName(defaultKeyType); map.setValueTypeName(defaultValueType); map.setMergeEnabled(parseMergeAttribute(mapEle)); for (Element entryEle : entryEles) { // Should only have one value child element: ref, value, list, etc. // Optionally, there might be a key child element. NodeList entrySubNodes = entryEle.getChildNodes(); Element keyEle = null; Element valueEle = null; for (int j = 0; j < entrySubNodes.getLength(); j++) { Node node = entrySubNodes.item(j); if (node instanceof Element) { Element candidateEle = (Element) node; if (DomUtils.nodeNameEquals(candidateEle, BeanDefinitionParserDelegate.KEY_ELEMENT)) { if (keyEle != null) { error("<entry> element is only allowed to contain one <key> sub-element", entryEle); } else { keyEle = candidateEle; } } else { // Child element is what we're looking for. if (valueEle != null) { error("<entry> element must not contain more than one value sub-element", entryEle); } else { valueEle = candidateEle; } } } } // Extract key from attribute or sub-element. Object key = null; boolean hasKeyAttribute = entryEle.hasAttribute(BeanDefinitionParserDelegate.KEY_ATTRIBUTE); boolean hasKeyRefAttribute = entryEle.hasAttribute(BeanDefinitionParserDelegate.KEY_REF_ATTRIBUTE); if ((hasKeyAttribute && hasKeyRefAttribute) || ((hasKeyAttribute || hasKeyRefAttribute)) && keyEle != null) { error("<entry> element is only allowed to contain either " + "a 'key' attribute OR a 'key-ref' attribute OR a <key> sub-element", entryEle); } if (hasKeyAttribute) { key = buildTypedStringValueForMap(entryEle.getAttribute(BeanDefinitionParserDelegate.KEY_ATTRIBUTE), defaultKeyType, entryEle); } else if (hasKeyRefAttribute) { String refName = entryEle.getAttribute(BeanDefinitionParserDelegate.KEY_REF_ATTRIBUTE); if (!StringUtils.hasText(refName)) { error("<entry> element contains empty 'key-ref' attribute", entryEle); } RuntimeBeanReference ref = new RuntimeBeanReference(refName); ref.setSource(extractSource(entryEle)); key = ref; } else if (keyEle != null) { key = parseKeyElement(keyEle, bd, defaultKeyType); } else { error("<entry> element must specify a key", entryEle); } // Extract value from attribute or sub-element. Object value = null; boolean hasValueAttribute = entryEle.hasAttribute(BeanDefinitionParserDelegate.VALUE_ATTRIBUTE); boolean hasValueRefAttribute = entryEle.hasAttribute(BeanDefinitionParserDelegate.VALUE_REF_ATTRIBUTE); if ((hasValueAttribute && hasValueRefAttribute) || ((hasValueAttribute || hasValueRefAttribute)) && valueEle != null) { error("<entry> element is only allowed to contain either " + "'value' attribute OR 'value-ref' attribute OR <value> sub-element", entryEle); } if (hasValueAttribute) { value = buildTypedStringValueForMap( entryEle.getAttribute(BeanDefinitionParserDelegate.VALUE_ATTRIBUTE), defaultValueType, entryEle); } else if (hasValueRefAttribute) { String refName = entryEle.getAttribute(BeanDefinitionParserDelegate.VALUE_REF_ATTRIBUTE); if (!StringUtils.hasText(refName)) { error("<entry> element contains empty 'value-ref' attribute", entryEle); } RuntimeBeanReference ref = new RuntimeBeanReference(refName); ref.setSource(extractSource(entryEle)); value = ref; } else if (valueEle != null) { value = parsePropertySubElement(valueEle, bd, defaultValueType); } else { error("<entry> element must specify a value", entryEle); } // Add final key and value to the Map. map.put(key, value); } return map; }