org.w3c.dom.Node.getFirstChild()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中org.w3c.dom.Node.getFirstChild()方法的一些代码示例，展示了Node.getFirstChild()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。Node.getFirstChild()方法的具体详情如下：
包路径：org.w3c.dom.Node
类名称：Node
方法名：getFirstChild

Node.getFirstChild介绍

[英]The first child of this node. If there is no such node, this returns null.
[中]此节点的第一个子节点。如果没有这样的节点，则返回null。

代码示例

代码示例来源：origin: stackoverflow.com

  1. String url = "http://stackoverflow.com/questions/3152138";
  2. Document document = new Tidy().parseDOM(new URL(url).openStream(), null);
  3. XPath xpath = XPathFactory.newInstance().newXPath();
  5. Node question = (Node) xpath.compile("//*[@id='question']//*[contains(@class,'post-text')]//p[1]").evaluate(document, XPathConstants.NODE);
  6. System.out.println("Question: " + question.getFirstChild().getNodeValue());
  8. NodeList answerers = (NodeList) xpath.compile("//*[@id='answers']//*[contains(@class,'user-details')]//a[1]").evaluate(document, XPathConstants.NODESET);
  9. for (int i = 0; i < answerers.getLength(); i++) {
  10.   System.out.println("Answerer: " + answerers.item(i).getFirstChild().getNodeValue());
  11. }

代码示例来源：origin: AsyncHttpClient/async-http-client

  1. private void parse(Document document) {
  2.  Element element = document.getDocumentElement();
  3.  NodeList statusNode = element.getElementsByTagName("status");
  4.  for (int i = 0; i < statusNode.getLength(); i++) {
  5.   Node node = statusNode.item(i);
  6.   String value = node.getFirstChild().getNodeValue();
  7.   int statusCode = Integer.valueOf(value.substring(value.indexOf(" "), value.lastIndexOf(" ")).trim());
  8.   String statusText = value.substring(value.lastIndexOf(" "));
  9.   status = new HttpStatusWrapper(status, statusText, statusCode);
  10.  }
  11. }

代码示例来源：origin: oracle/opengrok

  1. private String getValue(Node node) {
  2.   if (node == null) {
  3.     return null;
  4.   }
  5.   StringBuilder sb = new StringBuilder();
  6.   Node n = node.getFirstChild();
  7.   while (n != null) {
  8.     if (n.getNodeType() == Node.TEXT_NODE) {
  9.       sb.append(n.getNodeValue());
  10.     }
  11.     n = n.getNextSibling();
  12.   }
  13.   return sb.toString();
  14. }

代码示例来源：origin: org.freemarker/freemarker

  1. /**
  2.  * Recursively removes all comment nodes from the subtree.
  3.  *
  4.  * @see #simplify
  5.  */
  6. static public void removeComments(Node parent) {
  7.   Node child = parent.getFirstChild();
  8.   while (child != null) {
  9.     Node nextSibling = child.getNextSibling();
  10.     if (child.getNodeType() == Node.COMMENT_NODE) {
  11.       parent.removeChild(child);
  12.     } else if (child.hasChildNodes()) {
  13.       removeComments(child);
  14.     }
  15.     child = nextSibling;
  16.   }
  17. }

代码示例来源：origin: kiegroup/jbpm

  1. protected void readDataInputAssociation(org.w3c.dom.Node xmlNode, Map<String, String> forEachNodeInputAssociation) {
  2.   // sourceRef
  3.   org.w3c.dom.Node subNode = xmlNode.getFirstChild();
  4.   if ("sourceRef".equals(subNode.getNodeName())) {
  5.     String source = subNode.getTextContent();
  6.     // targetRef
  7.     subNode = subNode.getNextSibling();
  8.     String target = subNode.getTextContent();
  9.     forEachNodeInputAssociation.put(target, source);
  10.   }
  11. }

代码示例来源：origin: pmd/pmd

  1. String entityName = item.getNodeName();
  2. Node firstChild = item.getFirstChild();
  3. if (firstChild != null) {
  4.   result = result.replaceAll(Matcher.quoteReplacement(firstChild.getNodeValue()),
  5.       "&" + entityName + ";");
  6. } else {

代码示例来源：origin: yaphone/itchat4j

  1. if (doc != null) {
  2.   core.getLoginInfo().put(StorageLoginInfoEnum.skey.getKey(),
  3.       doc.getElementsByTagName(StorageLoginInfoEnum.skey.getKey()).item(0).getFirstChild()
  4.           .getNodeValue());
  5.   core.getLoginInfo().put(StorageLoginInfoEnum.wxsid.getKey(),
  6.       doc.getElementsByTagName(StorageLoginInfoEnum.wxsid.getKey()).item(0).getFirstChild()
  7.           .getNodeValue());
  8.   core.getLoginInfo().put(StorageLoginInfoEnum.wxuin.getKey(),
  9.       doc.getElementsByTagName(StorageLoginInfoEnum.wxuin.getKey()).item(0).getFirstChild()
  10.           .getNodeValue());
  11.   core.getLoginInfo().put(StorageLoginInfoEnum.pass_ticket.getKey(),
  12.       doc.getElementsByTagName(StorageLoginInfoEnum.pass_ticket.getKey()).item(0).getFirstChild()
  13.           .getNodeValue());

代码示例来源：origin: plantuml/plantuml

  1. private String displayMetadata(Node node, int level) {
  2.   final NamedNodeMap map = node.getAttributes();
  3.   if (map != null) {
  4.     final Node keyword = map.getNamedItem("keyword");
  5.     if (keyword != null && tag.equals(keyword.getNodeValue())) {
  6.       final Node text = map.getNamedItem("value");
  7.       if (text != null) {
  8.         return text.getNodeValue();
  9.       }
  10.     }
  11.   }
  12.   Node child = node.getFirstChild();
  13.   // children, so close current tag
  14.   while (child != null) {
  15.     // print children recursively
  16.     final String result = displayMetadata(child, level + 1);
  17.     if (result != null) {
  18.       return result;
  19.     }
  20.     child = child.getNextSibling();
  21.   }
  22.   return null;
  23. }

代码示例来源：origin: stanfordnlp/CoreNLP

  1. private static AceCharSeq parseCharSeq(Node node) {
  2.  Node child = getChildByName(node, "charseq");
  3.  String start = getAttributeValue(child, "START");
  4.  String end = getAttributeValue(child, "END");
  5.  String text = child.getFirstChild().getNodeValue();
  6.  return new AceCharSeq(text,
  7.       Integer.parseInt(start),
  8.       Integer.parseInt(end));
  9. }

代码示例来源：origin: kiegroup/jbpm

  1. public void executeWorkItem(WorkItem workItem,
  2.     WorkItemManager mgr) {
  3.   assertEquals("id", ((org.w3c.dom.Node) workItem
  4.       .getParameter("coId")).getNodeName());
  5.   assertEquals("some text", ((org.w3c.dom.Node) workItem
  6.       .getParameter("coId")).getFirstChild()
  7.       .getTextContent());
  8. }

代码示例来源：origin: groovy/groovy-core

  1. protected void printChildren(Node parent, Map namespaces) {
  2.   for (Node node = parent.getFirstChild(); node != null; node = node.getNextSibling()) {
  3.     print(node, namespaces, false);
  4.   }
  5. }

代码示例来源：origin: pentaho/pentaho-kettle

  1. public String getSample( String strFunctionName, String strFunctionNameWithArgs ) {
  2.  String sRC = "// Sorry, no Script available for " + strFunctionNameWithArgs;
  3.  NodeList nl = dom.getElementsByTagName( "jsFunction" );
  4.  for ( int i = 0; i < nl.getLength(); i++ ) {
  5.   if ( nl.item( i ).getAttributes().getNamedItem( "name" ).getNodeValue().equals( strFunctionName ) ) {
  6.    Node elSample = ( (Element) nl.item( i ) ).getElementsByTagName( "sample" ).item( 0 );
  7.    if ( elSample.hasChildNodes() ) {
  8.     return ( elSample.getFirstChild().getNodeValue() );
  9.    }
  10.   }
  11.  }
  12.  return sRC;
  13. }

代码示例来源：origin: plutext/docx4j

  1. /**
  2.  * Method getStrFromNode
  3.  *
  4.  * @param xpathnode
  5.  * @return the string for the node.
  6.  */
  7. public static String getStrFromNode(Node xpathnode) {
  8.   if (xpathnode.getNodeType() == Node.TEXT_NODE) {
  9.     // we iterate over all siblings of the context node because eventually,
  10.     // the text is "polluted" with pi's or comments
  11.     StringBuilder sb = new StringBuilder();
  12.     for (Node currentSibling = xpathnode.getParentNode().getFirstChild();
  13.       currentSibling != null;
  14.       currentSibling = currentSibling.getNextSibling()) {
  15.       if (currentSibling.getNodeType() == Node.TEXT_NODE) {
  16.         sb.append(((Text) currentSibling).getData());
  17.       }
  18.     }
  19.     return sb.toString();
  20.   } else if (xpathnode.getNodeType() == Node.ATTRIBUTE_NODE) {
  21.     return xpathnode.getNodeValue();
  22.   } else if (xpathnode.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
  23.     return xpathnode.getNodeValue();
  24.   }
  25.   return null;
  26. }

代码示例来源：origin: spullara/mustache.java

  1. private Object get(Node de) {
  2.  if (!de.hasChildNodes()) {
  3.   return "";
  4.  } else if (de.getChildNodes().getLength() == 1 && de.getFirstChild() instanceof Text) {
  5.   return de.getTextContent();
  6.  } else {
  7.   NodeList childNodes = de.getChildNodes();
  8.   Map<String, Object> map = new HashMap<>();
  9.   for (int i = 0; i < childNodes.getLength(); i++) {
  10.    Node item = childNodes.item(i);
  11.    if (!(item instanceof Text)) {
  12.     put(item, map);
  13.    }
  14.   }
  15.   return map;
  16.  }
  17. }

代码示例来源：origin: org.freemarker/freemarker

  1. /**
  2.  * Recursively removes all processing instruction nodes from the subtree.
  3.  *
  4.  * @see #simplify
  5.  */
  6. static public void removePIs(Node parent) {
  7.   Node child = parent.getFirstChild();
  8.   while (child != null) {
  9.     Node nextSibling = child.getNextSibling();
  10.     if (child.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
  11.       parent.removeChild(child);
  12.     } else if (child.hasChildNodes()) {
  13.       removePIs(child);
  14.     }
  15.     child = nextSibling;
  16.   }
  17. }

代码示例来源：origin: kiegroup/jbpm

  1. protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, Map<String, String> forEachNodeOutputAssociation) {
  2.   // sourceRef
  3.   org.w3c.dom.Node subNode = xmlNode.getFirstChild();
  4.   if ("sourceRef".equals(subNode.getNodeName())) {
  5.     String source = subNode.getTextContent();
  6.     // targetRef
  7.     subNode = subNode.getNextSibling();
  8.     String target = subNode.getTextContent();
  9.     forEachNodeOutputAssociation.put(source, target);
  10.   }
  11. }

代码示例来源：origin: kiegroup/jbpm

  1. public void executeWorkItem(WorkItem workItem,
  2.     WorkItemManager mgr) {
  3.   Object coIdParamObj = workItem.getParameter("coId");
  4.   assertEquals("mydoc", ((Element) coIdParamObj).getNodeName());
  5.   assertEquals("mynode", ((Element) workItem.getParameter("coId")).getFirstChild().getNodeName());
  6.   assertEquals("user",
  7.       ((Element) workItem.getParameter("coId"))
  8.           .getFirstChild().getFirstChild()
  9.           .getNodeName());
  10.   assertEquals("hello world",
  11.       ((Element) workItem.getParameter("coId"))
  12.           .getFirstChild().getFirstChild()
  13.           .getAttributes().getNamedItem("hello")
  14.           .getNodeValue());
  15. }

代码示例来源：origin: ehcache/ehcache3

  1. @Test
  2. public void testDefaulSerializerXmlsSerializersValueHasWhitespaces() throws Exception {
  3.  final URL resource = XmlConfigurationTest.class.getResource("/configs/default-serializer.xml");
  4.  DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
  5.  DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
  6.  Document doc = dBuilder.parse(new File(resource.toURI()));
  7.  NodeList nList = doc.getElementsByTagName("ehcache:serializer");
  8.  assertThat(nList.item(2).getFirstChild().getNodeValue(), containsString(" "));
  9.  assertThat(nList.item(2).getFirstChild().getNodeValue(), containsString("\n"));
  10.  assertThat(nList.item(3).getFirstChild().getNodeValue(), containsString(" "));
  11.  assertThat(nList.item(3).getFirstChild().getNodeValue(), containsString("\n"));
  12.  nList = doc.getElementsByTagName("ehcache:key-type");
  13.  assertThat(nList.item(0).getFirstChild().getNodeValue(), containsString(" "));
  14.  assertThat(nList.item(0).getFirstChild().getNodeValue(), containsString("\n"));
  15.  assertThat(nList.item(1).getFirstChild().getNodeValue(), containsString(" "));
  16.  assertThat(nList.item(1).getFirstChild().getNodeValue(), containsString("\n"));
  17.  nList = doc.getElementsByTagName("ehcache:value-type");
  18.  assertThat(nList.item(0).getFirstChild().getNodeValue(), containsString(" "));
  19.  assertThat(nList.item(0).getFirstChild().getNodeValue(), containsString("\n"));
  20.  assertThat(nList.item(1).getFirstChild().getNodeValue(), containsString(" "));
  21.  assertThat(nList.item(1).getFirstChild().getNodeValue(), containsString("\n"));
  22. }

代码示例来源：origin: org.apache.poi/poi-ooxml

  1. private String getComplexTypeNameFromChildren(Node localComplexTypeRootNode,
  2.     String elementNameWithoutNamespace) {
  3.   if(localComplexTypeRootNode == null) {
  4.     return "";
  5.   }
  6.   Node node  = localComplexTypeRootNode.getFirstChild();
  7.   String complexTypeName = "";
  8.   while (node != null) {
  9.     if ( node instanceof Element && "element".equals(node.getLocalName())) {
  10.       Node nameAttribute = getNameOrRefElement(node);
  11.       if (nameAttribute.getNodeValue().equals(elementNameWithoutNamespace)) {
  12.         Node complexTypeAttribute = node.getAttributes().getNamedItem("type");
  13.         if (complexTypeAttribute!=null) {
  14.           complexTypeName = complexTypeAttribute.getNodeValue();
  15.           break;
  16.         }
  17.       }
  18.     }
  19.     node = node.getNextSibling();
  20.   }
  21.   return complexTypeName;
  22. }

代码示例来源：origin: real-logic/simple-binary-encoding

  1. /**
  2.  * Construct a ValidValue given the XML node and the encodingType.
  3.  *
  4.  * @param node         that contains the validValue
  5.  * @param encodingType for the enum
  6.  */
  7. public ValidValue(final Node node, final PrimitiveType encodingType)
  8. {
  9.   name = getAttributeValue(node, "name");
  10.   description = getAttributeValueOrNull(node, "description");
  11.   value = PrimitiveValue.parse(node.getFirstChild().getNodeValue(), encodingType);
  12.   sinceVersion = Integer.parseInt(getAttributeValue(node, "sinceVersion", "0"));
  13.   deprecated = Integer.parseInt(getAttributeValue(node, "deprecated", "0"));
  14.   checkForValidName(node, name);
  15. }

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