Thread-Safety Pitfalls in XML Processing

import java.util.stream.Stream;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;



public final class SafeXml {

  

  private final Node node;

  

  SafeXml(final Node node) {

    this.node = node.cloneNode(true);

  }



  public Stream<SafeXml> children() {

    NodeList nodes = this.node.getChildNodes();

    int length = nodes.getLength();

    return Stream.iterate(0, idx -> idx + 1)

      .limit(length)

      .map(nodes::item)

      .map(SafeXml::new);

  }

}