Document: getElementsByTagName(String tagname)

 
import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class MainClass {
  public static void main(String[] args) throws IOException, ParserConfigurationException,
      org.xml.sax.SAXException {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setIgnoringComments(true);
    factory.setCoalescing(true); // Convert CDATA to Text nodes
    factory.setNamespaceAware(false); // No namespaces: this is default
    factory.setValidating(false); // Don't validate DTD: also default

    DocumentBuilder parser = factory.newDocumentBuilder();

    Document document = parser.parse(new File(args[0]));

    NodeList sections = document.getElementsByTagName("sect1");
    int numSections = sections.getLength();
    for (int i = 0; i < numSections; i++) {
      Element section = (Element) sections.item(i); // A <sect1>

      Node title = section.getFirstChild();
      while (title != null && title.getNodeType() != Node.ELEMENT_NODE)
        title = title.getNextSibling();

      if (title != null)
        System.out.println(title.getFirstChild().getNodeValue());
    }
  }
}

Related examples in the same category

1.	Document: createCDATASection(String data) throws DOMException
2.	Document: createComment(String data)
3.	Document: createElement(String tagName)
4.	Document: createProcessingInstruction(String target, String data) throws DOMException
5.	Document: getDoctype()
6.	Document: getDocumentElement()

Document: getElementsByTagName(String tagname) : Document « org.w3c.dom « Java by API

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