org.w3c.dom.Element.getElementsByTagName()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.getElementsByTagName()方法的一些代码示例，展示了Element.getElementsByTagName()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.getElementsByTagName()方法的具体详情如下：
包路径：org.w3c.dom.Element
类名称：Element
方法名：getElementsByTagName

Element.getElementsByTagName介绍

[英]Returns a NodeList of all descendant Elements with a given tag name, in document order.
[中]按文档顺序返回具有给定标记名的所有子体Elements的NodeList。

代码示例

代码示例来源：origin: stackoverflow.com

private String getTextValue(String def, Element doc, String tag) {
  String value = def;
  NodeList nl;
  nl = doc.getElementsByTagName(tag);
  if (nl.getLength() > 0 && nl.item(0).hasChildNodes()) {
    value = nl.item(0).getFirstChild().getNodeValue();
  }
  return value;
}

代码示例来源：origin: libgdx/libgdx

private void addToDependencyMapFromXML (Map<String, List<ExternalExtensionDependency>> dependencies, Element eElement, String platform) {
  if (eElement.getElementsByTagName(platform).item(0) != null) {
    Element project = (Element)eElement.getElementsByTagName(platform).item(0);
    ArrayList<ExternalExtensionDependency> deps = new ArrayList<ExternalExtensionDependency>();
    if (project.getTextContent().trim().equals("")) {
      // No dependencies required
    } else if (project.getTextContent().trim().equals("null")) {
      // Not supported
      deps = null;
    } else {
      NodeList nList = project.getElementsByTagName("dependency");
      for (int i = 0; i < nList.getLength(); i++) {
        Node nNode = nList.item(i);
        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
          Element dependencyNode = (Element)nNode;
          boolean external = Boolean.parseBoolean(dependencyNode.getAttribute("external"));
          deps.add(new ExternalExtensionDependency(dependencyNode.getTextContent(), external));
        }
      }
    }
    dependencies.put(platform, deps);
  }
}

代码示例来源：origin: stackoverflow.com

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
 DocumentBuilder db = dbf.newDocumentBuilder();
 Document dom = db.parse("file.xml");
 Element docEle = dom.getDocumentElement();
 NodeList nl = docEle.getChildNodes();
 if (nl != null) {
   int length = nl.getLength();
   for (int i = 0; i < length; i++) {
     if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
       Element el = (Element) nl.item(i);
       if (el.getNodeName().contains("staff")) {
         String name = el.getElementsByTagName("name").item(0).getTextContent();
         String phone = el.getElementsByTagName("phone").item(0).getTextContent();
         String email = el.getElementsByTagName("email").item(0).getTextContent();
         String area = el.getElementsByTagName("area").item(0).getTextContent();
         String city = el.getElementsByTagName("city").item(0).getTextContent();
       }
     }
   }
 }

代码示例来源：origin: marytts/marytts

/**
 * @param xmlDescription
 *            xmlDescription
 * @throws NullPointerException
 *             NullPointerException
 * @throws MalformedURLException
 *             MalformedURLException
 */
public VoiceComponentDescription(Element xmlDescription) throws NullPointerException, MalformedURLException {
  super(xmlDescription);
  this.gender = xmlDescription.getAttribute("gender");
  this.type = xmlDescription.getAttribute("type");
  Element dependsElement = (Element) xmlDescription.getElementsByTagName("depends").item(0);
  this.dependsLanguage = dependsElement.getAttribute("language");
  this.dependsVersion = dependsElement.getAttribute("version");
}

代码示例来源：origin: aragozin/jvm-tools

public void generate(Writer output) throws IOException {
  Document doc = (Document) template.cloneNode(true);
  transformHead((Element) doc.getDocumentElement().getElementsByTagName("head").item(0));
  transformBody((Element) doc.getDocumentElement().getElementsByTagName("body").item(0));
  encodeDocument(doc, output);
}

代码示例来源：origin: aws/aws-sdk-java

private static String getChildElementValue(
    final String tagName,
    final Element element) {
  Node tagNode = element.getElementsByTagName(tagName).item(0);
  if ( tagNode == null )
    return null;
  NodeList nodes= tagNode.getChildNodes();
  Node node = (Node)nodes.item(0); 
   return node.getNodeValue();    
}

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

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

代码示例来源：origin: alibaba/cobar

private static Element findPropertyByName(Element bean, String name) {
  NodeList propertyList = bean.getElementsByTagName("property");
  for (int j = 0, m = propertyList.getLength(); j < m; ++j) {
    Node node = propertyList.item(j);
    if (node instanceof Element) {
      Element p = (Element) node;
      if (name.equals(p.getAttribute("name"))) {
        return p;
      }
    }
  }
  return null;
}

代码示例来源：origin: stackoverflow.com

protected String getString(String tagName, Element element) {
   NodeList list = element.getElementsByTagName(tagName);
   if (list != null && list.getLength() > 0) {
     NodeList subList = list.item(0).getChildNodes();
     if (subList != null && subList.getLength() > 0) {
       return subList.item(0).getNodeValue();
     }
   }
   return null;
 }

代码示例来源：origin: marytts/marytts

/**
 * @param xmlDescription
 *            xmlDescription
 * @throws NullPointerException
 *             NullPointerException
 * @throws MalformedURLException
 *             MalformedURLException
 */
public VoiceComponentDescription(Element xmlDescription) throws NullPointerException, MalformedURLException {
  super(xmlDescription);
  this.gender = xmlDescription.getAttribute("gender");
  this.type = xmlDescription.getAttribute("type");
  Element dependsElement = (Element) xmlDescription.getElementsByTagName("depends").item(0);
  this.dependsLanguage = dependsElement.getAttribute("language");
  this.dependsVersion = dependsElement.getAttribute("version");
}

代码示例来源：origin: chanjarster/weixin-java-tools

static String extractEncryptPart(String xml) {
 try {
  DocumentBuilder db = builderLocal.get();
  Document document = db.parse(new InputSource(new StringReader(xml)));
  Element root = document.getDocumentElement();
  return root.getElementsByTagName("Encrypt").item(0).getTextContent();
 } catch (Exception e) {
  throw new RuntimeException(e);
 }
}

代码示例来源：origin: stanfordnlp/CoreNLP

/**
 * Reconstructs the resource from the XML file
 */
@SuppressWarnings("unchecked")
public SsurgeonWordlist(Element rootElt) {
 id = rootElt.getAttribute("id");
 NodeList wordEltNL = rootElt.getElementsByTagName(WORD_ELT);
 for (int i=0; i<wordEltNL.getLength(); i++) {
   Node node = wordEltNL.item(i);
   if (node.getNodeType() == Node.ELEMENT_NODE) {
     String word = Ssurgeon.getEltText((Element) node);
     words.add(word);
   }
 }    
}

代码示例来源：origin: org.apache.hadoop/hadoop-common

static String readFirstTagValue(Element e, String tag) {
 NodeList nodes = e.getElementsByTagName(tag);
 return (nodes.getLength() == 0)? null : nodes.item(0).getTextContent();
}

代码示例来源：origin: spotbugs/spotbugs

@ExpectWarning("RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")
  public String getFirstChildName(Element e) {
    NodeList list = e.getElementsByTagName("child");
    if(list != null) {
      return ((Element)list.item(0)).getAttribute("name");
    }
    return null;
  }
}

代码示例来源：origin: stanfordnlp/CoreNLP

public static List<Person> readXMLCharacterList(Document doc) {
 List<Person> personList = new ArrayList<>();
 NodeList characters = doc.getDocumentElement().getElementsByTagName("characters").item(0).getChildNodes();
 for(int i = 0; i < characters.getLength(); i++)
 {
  Node child = characters.item(i);
  if(child.getNodeName().equals("character")) {
   String name = child.getAttributes().getNamedItem("name").getNodeValue();
   char[] cName = name.toCharArray();
   cName[0] = Character.toUpperCase(cName[0]);
   name = new String(cName);
   List<String> aliases = Arrays.asList(child.getAttributes().getNamedItem("aliases").getNodeValue().split(";"));
   String gender = (child.getAttributes().getNamedItem("gender") == null) ? "" : child.getAttributes().getNamedItem("gender").getNodeValue();
   personList.add(new Person(child.getAttributes().getNamedItem("name").getNodeValue(), gender, aliases));
  }
 }
 return personList;
}
//write the character list to a file to work with the annotator

代码示例来源：origin: geoserver/geoserver

/**
 * Reads "style" elements from the catalog.xml file.
 *
 * <p>For each style element read, an entry of <id,filename> is created in a map.
 *
 * @return A map containing style <id,filename> tuples.
 * @throws Exception If error processing "styles" element.
 */
public Map<String, String> styles() throws Exception {
  Element stylesElement = ReaderUtils.getChildElement(catalog, "styles", true);
  NodeList styleElements = stylesElement.getElementsByTagName("style");
  Map styles = new HashMap();
  for (int i = 0; i < styleElements.getLength(); i++) {
    Element styleElement = (Element) styleElements.item(i);
    styles.put(styleElement.getAttribute("id"), styleElement.getAttribute("filename"));
  }
  return styles;
}

代码示例来源：origin: pentaho/pentaho-kettle

public String getSample( String strFunctionName, String strFunctionNameWithArgs ) {
 String sRC = "// Sorry, no Script available for " + strFunctionNameWithArgs;
 NodeList nl = dom.getElementsByTagName( "jsFunction" );
 for ( int i = 0; i < nl.getLength(); i++ ) {
  if ( nl.item( i ).getAttributes().getNamedItem( "name" ).getNodeValue().equals( strFunctionName ) ) {
   Node elSample = ( (Element) nl.item( i ) ).getElementsByTagName( "sample" ).item( 0 );
   if ( elSample.hasChildNodes() ) {
    return ( elSample.getFirstChild().getNodeValue() );
   }
  }
 }
 return sRC;
}

代码示例来源：origin: libgdx/libgdx

private void initData () throws ParserConfigurationException, IOException, SAXException {
  DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder = dbFactory.newDocumentBuilder();
  Document doc = builder.parse(ExternalExtensionsDialog.class
    .getResourceAsStream("/com/badlogic/gdx/setup/data/extensions.xml"));
  doc.getDocumentElement().normalize();
  for (int i = 0; i < nList.getLength(); i++) {
    Node nNode = nList.item(i);
    if (nNode.getNodeType() == Node.ELEMENT_NODE) {
      String name = eElement.getElementsByTagName("name").item(0).getTextContent();
      String description = eElement.getElementsByTagName("description").item(0).getTextContent();
      String version = eElement.getElementsByTagName("version").item(0).getTextContent();
      String compatibility = eElement.getElementsByTagName("compatibility").item(0).getTextContent();
      String url = eElement.getElementsByTagName("website").item(0).getTextContent();
      NodeList inheritsNode = eElement.getElementsByTagName("inherit");
      gwtInherits = new String[inheritsNode.getLength()];
      for (int j = 0; j < inheritsNode.getLength(); j++)
        gwtInherits[j] = inheritsNode.item(j).getTextContent();

代码示例来源：origin: alibaba/cobar

public static Map<String, Object> loadElements(Element parent) {
  Map<String, Object> map = new HashMap<String, Object>();
  NodeList children = parent.getChildNodes();
  for (int i = 0; i < children.getLength(); i++) {
    Node node = children.item(i);
    if (node instanceof Element) {
      Element e = (Element) node;
      String name = e.getNodeName();
      if ("property".equals(name)) {
        String key = e.getAttribute("name");
        NodeList nl = e.getElementsByTagName("bean");
        if (nl.getLength() == 0) {
          String value = e.getTextContent();
          map.put(key, StringUtil.isEmpty(value) ? null : value.trim());
        } else {
          map.put(key, loadBean((Element) nl.item(0)));
        }
      }
    }
  }
  return map;
}

代码示例来源：origin: pentaho/pentaho-kettle

public String getSample( String strFunctionName, String strFunctionNameWithArgs ) {
 String sRC = "// Sorry, no Script available for " + strFunctionNameWithArgs;
 NodeList nl = dom.getElementsByTagName( "jsFunction" );
 for ( int i = 0; i < nl.getLength(); i++ ) {
  if ( nl.item( i ).getAttributes().getNamedItem( "name" ).getNodeValue().equals( strFunctionName ) ) {
   Node elSample = ( (Element) nl.item( i ) ).getElementsByTagName( "sample" ).item( 0 );
   if ( elSample.hasChildNodes() ) {
    return ( elSample.getFirstChild().getNodeValue() );
   }
  }
 }
 return sRC;
}

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