domiter.ja

java操作xml文件的各种代码

import org.apache.xerces.parsers.DOMParser;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.traversal.DocumentTraversal;
import org.w3c.dom.traversal.NodeIterator;
import org.w3c.dom.traversal.NodeFilter;

public class DOMIterator {

  public static void main(String[] args) throws Exception{
    DOMParser parser = new DOMParser();

    parser.parse(args[0]);
    Document root = parser.getDocument();

    NodeIterator iterator = ((DocumentTraversal)root)
      .createNodeIterator(root, NodeFilter.SHOW_ELEMENT, null, true);

    System.out.println("Root = " + iterator.getRoot());
    Node node = iterator.nextNode();
    while(node != null) {
      System.out.println(node);
      node = iterator.nextNode();
    }

    iterator = ((DocumentTraversal)root)
      .createNodeIterator(
        root.getFirstChild().getFirstChild().getNextSibling(),
        NodeFilter.SHOW_ELEMENT,
        null,
        true);
    System.out.println("\nRoot = " + iterator.getRoot());
    node = iterator.nextNode();
    while(node != null) {
      System.out.println(node);
      node = iterator.nextNode();
    }
  }
}