Source Code : Change namespace

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Change namespace

 
import java.util.ListIterator;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
import org.dom4j.Visitor;
import org.dom4j.VisitorSupport;
import org.dom4j.io.SAXReader;

public class VisitorExample {

  public static void main(String[] args) throws Exception {
    Document doc = new SAXReader().read("test.xml");
    Namespace oldNs = Namespace.get("oldNamespace");
    Namespace newNs = Namespace.get("newPrefix", "newNamespace");
    Visitor visitor = new NamesapceChangingVisitor(oldNs, newNs);
    doc.accept(visitor);
    System.out.println(doc.asXML());
  }
}

class NamesapceChangingVisitor extends VisitorSupport {
  private Namespace from;
  private Namespace to;

  public NamesapceChangingVisitor(Namespace from, Namespace to) {
    this.from = from;
    this.to = to;
  }

  public void visit(Element node) {
    Namespace ns = node.getNamespace();

    if (ns.getURI().equals(from.getURI())) {
      QName newQName = new QName(node.getName(), to);
      node.setQName(newQName);
    }

    ListIterator namespaces = node.additionalNamespaces().listIterator();
    while (namespaces.hasNext()) {
      Namespace additionalNamespace = (Namespace) namespaces.next();
      if (additionalNamespace.getURI().equals(from.getURI())) {
        namespaces.remove();
      }
    }
  }

}

 

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