org.w3c.dom.Element.getChildNodes()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.w3c.dom.Element.getChildNodes()方法的一些代码示例，展示了Element.getChildNodes()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Element.getChildNodes()方法的具体详情如下：
包路径：org.w3c.dom.Element
类名称：Element
方法名：getChildNodes

Element.getChildNodes介绍

暂无

代码示例

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Retrieves all child elements of the given DOM element.
  3.  * @param ele the DOM element to analyze
  4.  * @return a List of child {@code org.w3c.dom.Element} instances
  5.  */
  6. public static List<Element> getChildElements(Element ele) {
  7.   Assert.notNull(ele, "Element must not be null");
  8.   NodeList nl = ele.getChildNodes();
  9.   List<Element> childEles = new ArrayList<>();
  10.   for (int i = 0; i < nl.getLength(); i++) {
  11.     Node node = nl.item(i);
  12.     if (node instanceof Element) {
  13.       childEles.add((Element) node);
  14.     }
  15.   }
  16.   return childEles;
  17. }

代码示例来源：origin: spring-projects/spring-framework

  1. public BeanDefinitionHolder decorateBeanDefinitionIfRequired(
  2.     Element ele, BeanDefinitionHolder definitionHolder, @Nullable BeanDefinition containingBd) {
  3.   BeanDefinitionHolder finalDefinition = definitionHolder;
  4.   // Decorate based on custom attributes first.
  5.   NamedNodeMap attributes = ele.getAttributes();
  6.   for (int i = 0; i < attributes.getLength(); i++) {
  7.     Node node = attributes.item(i);
  8.     finalDefinition = decorateIfRequired(node, finalDefinition, containingBd);
  9.   }
  10.   // Decorate based on custom nested elements.
  11.   NodeList children = ele.getChildNodes();
  12.   for (int i = 0; i < children.getLength(); i++) {
  13.     Node node = children.item(i);
  14.     if (node.getNodeType() == Node.ELEMENT_NODE) {
  15.       finalDefinition = decorateIfRequired(node, finalDefinition, containingBd);
  16.     }
  17.   }
  18.   return finalDefinition;
  19. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse a list element.
  3.  */
  4. public List<Object> parseListElement(Element collectionEle, @Nullable BeanDefinition bd) {
  5.   String defaultElementType = collectionEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = collectionEle.getChildNodes();
  7.   ManagedList<Object> target = new ManagedList<>(nl.getLength());
  8.   target.setSource(extractSource(collectionEle));
  9.   target.setElementTypeName(defaultElementType);
  10.   target.setMergeEnabled(parseMergeAttribute(collectionEle));
  11.   parseCollectionElements(nl, target, bd, defaultElementType);
  12.   return target;
  13. }

代码示例来源：origin: apache/incubator-dubbo

  1. private static void parseNested(Element element, ParserContext parserContext, Class<?> beanClass, boolean required, String tag, String property, String ref, BeanDefinition beanDefinition) {
  2.   NodeList nodeList = element.getChildNodes();
  3.   if (nodeList != null && nodeList.getLength() > 0) {
  4.     boolean first = true;
  5.     for (int i = 0; i < nodeList.getLength(); i++) {
  6.       Node node = nodeList.item(i);
  7.       if (node instanceof Element) {
  8.         if (tag.equals(node.getNodeName())
  9.             || tag.equals(node.getLocalName())) {
  10.           if (first) {
  11.             first = false;
  12.             String isDefault = element.getAttribute("default");
  13.             if (StringUtils.isEmpty(isDefault)) {
  14.               beanDefinition.getPropertyValues().addPropertyValue("default", "false");
  15.             }
  16.           }
  17.           BeanDefinition subDefinition = parse((Element) node, parserContext, beanClass, required);
  18.           if (subDefinition != null && ref != null && ref.length() > 0) {
  19.             subDefinition.getPropertyValues().addPropertyValue(property, new RuntimeBeanReference(ref));
  20.           }
  21.         }
  22.       }
  23.     }
  24.   }
  25. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Extracts the text value from the given DOM element, ignoring XML comments.
  3.  * <p>Appends all CharacterData nodes and EntityReference nodes into a single
  4.  * String value, excluding Comment nodes. Only exposes actual user-specified
  5.  * text, no default values of any kind.
  6.  * @see CharacterData
  7.  * @see EntityReference
  8.  * @see Comment
  9.  */
  10. public static String getTextValue(Element valueEle) {
  11.   Assert.notNull(valueEle, "Element must not be null");
  12.   StringBuilder sb = new StringBuilder();
  13.   NodeList nl = valueEle.getChildNodes();
  14.   for (int i = 0; i < nl.getLength(); i++) {
  15.     Node item = nl.item(i);
  16.     if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
  17.       sb.append(item.getNodeValue());
  18.     }
  19.   }
  20.   return sb.toString();
  21. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse an array element.
  3.  */
  4. public Object parseArrayElement(Element arrayEle, @Nullable BeanDefinition bd) {
  5.   String elementType = arrayEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = arrayEle.getChildNodes();
  7.   ManagedArray target = new ManagedArray(elementType, nl.getLength());
  8.   target.setSource(extractSource(arrayEle));
  9.   target.setElementTypeName(elementType);
  10.   target.setMergeEnabled(parseMergeAttribute(arrayEle));
  11.   parseCollectionElements(nl, target, bd, elementType);
  12.   return target;
  13. }

代码示例来源：origin: apache/incubator-dubbo

  1. private static void parseNested(Element element, ParserContext parserContext, Class<?> beanClass, boolean required, String tag, String property, String ref, BeanDefinition beanDefinition) {
  2.   NodeList nodeList = element.getChildNodes();
  3.   if (nodeList != null && nodeList.getLength() > 0) {
  4.     boolean first = true;
  5.     for (int i = 0; i < nodeList.getLength(); i++) {
  6.       Node node = nodeList.item(i);
  7.       if (node instanceof Element) {
  8.         if (tag.equals(node.getNodeName())
  9.             || tag.equals(node.getLocalName())) {
  10.           if (first) {
  11.             first = false;
  12.             String isDefault = element.getAttribute("default");
  13.             if (StringUtils.isEmpty(isDefault)) {
  14.               beanDefinition.getPropertyValues().addPropertyValue("default", "false");
  15.             }
  16.           }
  17.           BeanDefinition subDefinition = parse((Element) node, parserContext, beanClass, required);
  18.           if (subDefinition != null && ref != null && ref.length() > 0) {
  19.             subDefinition.getPropertyValues().addPropertyValue(property, new RuntimeBeanReference(ref));
  20.           }
  21.         }
  22.       }
  23.     }
  24.   }
  25. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Utility method that returns the first child element identified by its name.
  3.  * @param ele the DOM element to analyze
  4.  * @param childEleName the child element name to look for
  5.  * @return the {@code org.w3c.dom.Element} instance, or {@code null} if none found
  6.  */
  7. @Nullable
  8. public static Element getChildElementByTagName(Element ele, String childEleName) {
  9.   Assert.notNull(ele, "Element must not be null");
  10.   Assert.notNull(childEleName, "Element name must not be null");
  11.   NodeList nl = ele.getChildNodes();
  12.   for (int i = 0; i < nl.getLength(); i++) {
  13.     Node node = nl.item(i);
  14.     if (node instanceof Element && nodeNameMatch(node, childEleName)) {
  15.       return (Element) node;
  16.     }
  17.   }
  18.   return null;
  19. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse a set element.
  3.  */
  4. public Set<Object> parseSetElement(Element collectionEle, @Nullable BeanDefinition bd) {
  5.   String defaultElementType = collectionEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = collectionEle.getChildNodes();
  7.   ManagedSet<Object> target = new ManagedSet<>(nl.getLength());
  8.   target.setSource(extractSource(collectionEle));
  9.   target.setElementTypeName(defaultElementType);
  10.   target.setMergeEnabled(parseMergeAttribute(collectionEle));
  11.   parseCollectionElements(nl, target, bd, defaultElementType);
  12.   return target;
  13. }

代码示例来源：origin: pmd/pmd

  1. private List<Element> getChildrenByTagName(Element element, String tagName) {
  2.   NodeList children = element.getChildNodes();
  3.   List<Element> elts = new ArrayList<>();
  4.   for (int i = 0; i < children.getLength(); i++) {
  5.     if (children.item(i).getNodeType() == Node.ELEMENT_NODE && tagName.equals(children.item(i).getNodeName())) {
  6.       elts.add((Element) children.item(i));
  7.     }
  8.   }
  9.   return elts;
  10. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Retrieves all child elements of the given DOM element that match any of the given element names.
  3.  * Only looks at the direct child level of the given element; do not go into further depth
  4.  * (in contrast to the DOM API's {@code getElementsByTagName} method).
  5.  * @param ele the DOM element to analyze
  6.  * @param childEleNames the child element names to look for
  7.  * @return a List of child {@code org.w3c.dom.Element} instances
  8.  * @see org.w3c.dom.Element
  9.  * @see org.w3c.dom.Element#getElementsByTagName
  10.  */
  11. public static List<Element> getChildElementsByTagName(Element ele, String... childEleNames) {
  12.   Assert.notNull(ele, "Element must not be null");
  13.   Assert.notNull(childEleNames, "Element names collection must not be null");
  14.   List<String> childEleNameList = Arrays.asList(childEleNames);
  15.   NodeList nl = ele.getChildNodes();
  16.   List<Element> childEles = new ArrayList<>();
  17.   for (int i = 0; i < nl.getLength(); i++) {
  18.     Node node = nl.item(i);
  19.     if (node instanceof Element && nodeNameMatch(node, childEleNameList)) {
  20.       childEles.add((Element) node);
  21.     }
  22.   }
  23.   return childEles;
  24. }

代码示例来源：origin: org.springframework/spring-beans

  1. /**
  2.  * Parse a list element.
  3.  */
  4. public List<Object> parseListElement(Element collectionEle, @Nullable BeanDefinition bd) {
  5.   String defaultElementType = collectionEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = collectionEle.getChildNodes();
  7.   ManagedList<Object> target = new ManagedList<>(nl.getLength());
  8.   target.setSource(extractSource(collectionEle));
  9.   target.setElementTypeName(defaultElementType);
  10.   target.setMergeEnabled(parseMergeAttribute(collectionEle));
  11.   parseCollectionElements(nl, target, bd, defaultElementType);
  12.   return target;
  13. }

代码示例来源：origin: hibernate/hibernate-orm

  1. private static String extractContent(Element element, String defaultStr) {
  2.   if ( element == null ) {
  3.     return defaultStr;
  4.   }
  5.   NodeList children = element.getChildNodes();
  6.   StringBuilder result = new StringBuilder("");
  7.   for ( int i = 0; i < children.getLength() ; i++ ) {
  8.     if ( children.item( i ).getNodeType() == Node.TEXT_NODE ||
  9.         children.item( i ).getNodeType() == Node.CDATA_SECTION_NODE ) {
  10.       result.append( children.item( i ).getNodeValue() );
  11.     }
  12.   }
  13.   return result.toString().trim();
  14. }

代码示例来源：origin: stanfordnlp/CoreNLP

  1. /**
  2.  * For a given Element, treats the first child as a text element
  3.  * and returns its value.
  4.  */
  5. public static String getEltText(Element element) {
  6.  try {
  7.   NodeList childNodeList = element.getChildNodes();
  8.   if (childNodeList.getLength() == 0) return "";
  9.   return childNodeList.item(0).getNodeValue();
  10.  } catch (Exception e) {
  11.   log.warning("Exception e=" + e.getMessage() + " thrown calling getEltText on element=" + element);
  12.  }
  13.  return "";
  14. }

代码示例来源：origin: org.springframework/spring-beans

  1. /**
  2.  * Parse a set element.
  3.  */
  4. public Set<Object> parseSetElement(Element collectionEle, @Nullable BeanDefinition bd) {
  5.   String defaultElementType = collectionEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = collectionEle.getChildNodes();
  7.   ManagedSet<Object> target = new ManagedSet<>(nl.getLength());
  8.   target.setSource(extractSource(collectionEle));
  9.   target.setElementTypeName(defaultElementType);
  10.   target.setMergeEnabled(parseMergeAttribute(collectionEle));
  11.   parseCollectionElements(nl, target, bd, defaultElementType);
  12.   return target;
  13. }

代码示例来源：origin: stanfordnlp/CoreNLP

  1. /**
  2.  * Returns the first child whose node type is Element under the given Element.
  3.  */
  4. private static Element getFirstChildElement(Element element) {
  5.  try {
  6.   NodeList nodeList = element.getChildNodes();
  7.   for (int i=0; i<nodeList.getLength(); i++) {
  8.    Node node = nodeList.item(i);
  9.    if (node.getNodeType() == Node.ELEMENT_NODE)
  10.     return (Element) node;
  11.   }
  12.  } catch (Exception e) {
  13.   log.warning("Error getting first child Element for element=" + element+", exception=" + e);
  14.  }
  15.  return null;
  16. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse property sub-elements of the given bean element.
  3.  */
  4. public void parsePropertyElements(Element beanEle, BeanDefinition bd) {
  5.   NodeList nl = beanEle.getChildNodes();
  6.   for (int i = 0; i < nl.getLength(); i++) {
  7.     Node node = nl.item(i);
  8.     if (isCandidateElement(node) && nodeNameEquals(node, PROPERTY_ELEMENT)) {
  9.       parsePropertyElement((Element) node, bd);
  10.     }
  11.   }
  12. }

代码示例来源：origin: org.springframework/spring-beans

  1. /**
  2.  * Parse an array element.
  3.  */
  4. public Object parseArrayElement(Element arrayEle, @Nullable BeanDefinition bd) {
  5.   String elementType = arrayEle.getAttribute(VALUE_TYPE_ATTRIBUTE);
  6.   NodeList nl = arrayEle.getChildNodes();
  7.   ManagedArray target = new ManagedArray(elementType, nl.getLength());
  8.   target.setSource(extractSource(arrayEle));
  9.   target.setElementTypeName(elementType);
  10.   target.setMergeEnabled(parseMergeAttribute(arrayEle));
  11.   parseCollectionElements(nl, target, bd, elementType);
  12.   return target;
  13. }

代码示例来源：origin: osmandapp/Osmand

  1. protected static void copyAndReplaceElement(Element oldElement, Element newElement) {
  2.     while(oldElement.getChildNodes().getLength() > 0) {
  3.       newElement.appendChild(oldElement.getChildNodes().item(0));
  4.     }
  5.     NamedNodeMap attrs = oldElement.getAttributes();
  6.     for(int i = 0; i < attrs.getLength(); i++) {
  7.       Node ns = attrs.item(i);
  8.       newElement.setAttribute(ns.getNodeName(), ns.getNodeValue());
  9.     }
  10.     ((Element)oldElement.getParentNode()).replaceChild(newElement, oldElement);
  11.   }
  12. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse constructor-arg sub-elements of the given bean element.
  3.  */
  4. public void parseConstructorArgElements(Element beanEle, BeanDefinition bd) {
  5.   NodeList nl = beanEle.getChildNodes();
  6.   for (int i = 0; i < nl.getLength(); i++) {
  7.     Node node = nl.item(i);
  8.     if (isCandidateElement(node) && nodeNameEquals(node, CONSTRUCTOR_ARG_ELEMENT)) {
  9.       parseConstructorArgElement((Element) node, bd);
  10.     }
  11.   }
  12. }

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