dap4/d4core/src/main/java/dap4/core/dmr/parser/DOM4Parser.java
protected String
    pull(Node n, String name)
    {
        NamedNodeMap map = n.getAttributes();
        Node attr = map.getNamedItem(name);
        if(attr == null)
            return null;
        return attr.getNodeValue();
    }
protected String
    pull(Node n, String name)
    {
        NamedNodeMap map = n.getAttributes();
        Node attr = map.getNamedItem(name);
        if(attr == null)
            return null;
        return attr.getNodeValue();
    }
XML Attribute utilities