/**
* This method is called to aggregate the list of non cosntant attributes that the widgets
* relevant to this server provide. This should be called after a constructor sets the widget
* handles to use or after setWidgets() has been called.
*
* @return the server attributes
*/
protected Attributes initAttributes() {
// this protects us against the Widget constructor
// that calls us too early (we havent' got the widgets yet)
// it's good practice anyway
if (widgets == null) {
return null;
}
Attributes atts = new Attributes();
for (int i = 0; i < widgets.size(); i++) {
WidgetHandle handle = widgets.getWidgetHandleAt(i);
System.out.println(handle);
DataObject widgetAtts =
getWidgetAttributes(handle.getHostName(), handle.getPort(), handle.getId());
String error = new Error(widgetAtts).getError();
if (error != null) {
if (error.equals(Error.NO_ERROR)) {
Attributes wAtts = new Attributes(widgetAtts);
for (int j = 0; j < wAtts.numAttributes(); j++) {
Attribute wAtt = wAtts.getAttributeAt(j);
if (atts.getAttribute(wAtt.getName()) == null) {
atts.addAttribute(wAtt);
}
}
}
}
}
atts.addAttributes(setServerAttributes());
return atts;
}