private XMLElement writeStorable(DOMStorable o) throws IOException {
String tagName = factory.getName(o);
if (tagName == null) throw new IllegalArgumentException("no tag name for:" + o);
openElement(tagName);
XMLElement element = current;
if (objectids.containsKey(o)) {
addAttribute("ref", (String) objectids.get(o));
} else {
String id = Integer.toString(objectids.size(), 16);
objectids.put(o, id);
addAttribute("id", id);
o.write(this);
}
closeElement();
return element;
}
/** Adds a DOMStorable prototype to the DOMFactory. */
public void addStorable(String name, DOMStorable prototype) {
nameToPrototypeMap.put(name, prototype);
classToNameMap.put(prototype.getClass(), name);
}
