Java 类org.w3c.dom.ElementTraversal 实例源码

private static void print(Element e, int depth) {
    do {
        ElementTraversal et = (ElementTraversal) e;
        for (int i = 0; i < depth; ++i) {
            System.out.print("--");
        }
        System.out.print("--> [");
        System.out.print(new QName(e.getNamespaceURI(), e.getLocalName()));
        System.out.println("], Child Element Count = " + et.getChildElementCount());
        Element firstElementChild = et.getFirstElementChild();
        if (firstElementChild != null) {
            print(firstElementChild, depth + 1);
        }
        e = et.getNextElementSibling();
    }
    while (e != null);
}