if (l != null) {  org.w3c.dom.Node n = l.item(0);
org.w3c.dom.NodeList nl = (org.w3c.dom.NodeList) l;  if (nl != null) {  org.w3c.dom.Node n = nl.item(0);
    static void process_super(java.lang.Object i, java.lang.Object l) {        if (l != null) {                    org.w3c.dom.Node n = l.item(0);                        if (n != null) {                                java.lang.Object super_category = n.getNodeValue();                java.lang.System.out.println("INFO: Read super: " + super_category);                            } else {                                java.lang.System.out.println("ERROR: Could not process the super. The node is null.");            }                    } else {                        java.lang.System.out.println("ERROR: Could not process the super. The node list is null.");        }    }