Remove All nodes : DOM Node « XML « Java






  1. Java
  2. XML
  3. DOM Node

Remove All nodes

        

import java.io.File;

import javax.xml.parsers.DocumentBuilderFactory;

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

public class Main {
  public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(true);
    factory.setExpandEntityReferences(false);

    Document doc = factory.newDocumentBuilder().parse(new File("filename"));

    removeAll(doc, Node.ELEMENT_NODE, "junk");

    removeAll(doc, Node.COMMENT_NODE, null);

    doc.normalize();  

  }
  public static void removeAll(Node node, short nodeType, String name) {
    if (node.getNodeType() == nodeType && (name == null || node.getNodeName().equals(name))) {
      node.getParentNode().removeChild(node);
    } else {
      NodeList list = node.getChildNodes();
      for (int i = 0; i < list.getLength(); i++) {
        removeAll(list.item(i), nodeType, name);
      }
    }
  }
}








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19.Getting a DOM Element by Id
20.Determining If an Attribute Was Supplied in a DOM Element
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32.Convert NodeList To Node Array
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35.Returns a list of value for the given node
36.Returns the value of the attribute of the given element
37.Returns the value of the child node with the given name
38.Returns the value of the given node
39.Simplified implementation of a Node from a Document Object Model (DOM)
40.Extract all text children of an element
41.Extract the textual content from a Node.
42.Returns a first child DOM Node of type ELEMENT_NODE for the specified Node
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44.Find Node
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