Accessing different types of DOM tree nodes : DOM Tree « XML « Java Tutorial

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Java Tutorial » XML » DOM Tree 
33. 4. 6. Accessing different types of DOM tree nodes
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.CharacterData;
import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class Main {
  public static void main(String[] argvthrows Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder loader = factory.newDocumentBuilder();
    Document document = loader.parse("sample.xml");
    Element purchaseOrder = document.getDocumentElement();
    printElement(purchaseOrder, "");
  }
  static void printElement(Element element, String indent) {
    System.out.println("Element '" + element.getNodeName() "'");
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
      Node child = children.item(i);
      switch (child.getNodeType()) {
      case Node.ELEMENT_NODE:
        printElement((Elementchild, indent + "\t");
        break;
      case Node.ATTRIBUTE_NODE:
        Attr attr = (Attrchild;
        System.out.println("\tAttribute: '" + attr.getName() "' = '" + attr.getValue() "'");
        break;
      case Node.COMMENT_NODE:
        Comment comment = (Commentchild;
        System.out.println("\tComment: '" + comment.getData() "'");
        break;
      case Node.CDATA_SECTION_NODE:
        CharacterData cdata = (CharacterDatachild;
        System.out.println("\tCDatat: '" + cdata.getData() "'");
        break;
      case Node.TEXT_NODE:
        Text text = (Textchild;
        System.out.println("\tText: '" + text.getData() "'");
        break;
      default:
        System.out.println("\tUnknown node type: '" + child.getNodeType() "'");
        break;
      }
    }
  }
}
33. 4. DOM Tree
33. 4. 1. Creating a new DOM tree
33. 4. 2. Create new DOM tree with fully qualified element names
33. 4. 3. Custom complex filters for selecting nodes
33. 4. 4. Traverse the DOM tree as a list
33. 4. 5. Traverse the DOM tree using TreeWalker
33. 4. 6. Accessing different types of DOM tree nodes
33. 4. 7. Reading a DOM tree from XML document
33. 4. 8. Using ranges in DOM tree
33. 4. 9. Copying a Subtree of Nodes in a DOM Document
33. 4. 10. Copying a Subtree of Nodes from One DOM Document to Another
33. 4. 11. Get this Document's root node
33. 4. 12. Generates a DOM from scratch. Writes the DOM to a String using an LSSerializer.
33. 4. 13. Print Tree node
33. 4. 14. Traverse a DOM tree in order to print a document that is parsed
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