/**
* Merge two hashtables of servcices, overwriting old with new if they have the same base class
* id.
*
* @oldServices --service table of a parent group
* @newServices --services to be added or substituted
* @return --merged table
*/
private static Map mergeTables(Map oldServices, Map newServices) {
// just use brute force; we won't be doing it that often
Map mergedServices = new HashMap(oldServices);
Iterator newKeys = newServices.keySet().iterator();
while (newKeys.hasNext()) {
ModuleClassID key = (ModuleClassID) newKeys.next();
Iterator oldKeys = oldServices.keySet().iterator();
while (oldKeys.hasNext()) {
ModuleClassID oldkey = (ModuleClassID) oldKeys.next();
if (oldkey.isOfSameBaseClass(key)) {
mergedServices.remove(oldkey);
}
}
mergedServices.put(key, newServices.get(key));
}
return mergedServices;
}
/** {@inheritDoc} */
public void serializeTo(Element element) throws DocumentSerializationException {
for (Iterator i = transportMetrics.iterator(); i.hasNext(); ) {
TransportMetric transportMetric = (TransportMetric) i.next();
DocumentSerializableUtilities.addDocumentSerializable(
element, "transportMetric", transportMetric);
}
if (moduleClassID != null) {
DocumentSerializableUtilities.addString(element, "moduleClassID", moduleClassID.toString());
}
}
private void outputModules(
StructuredTextDocument doc, Hashtable modulesTable, String mainTag, MimeMediaType encodeAs) {
Enumeration allClasses = modulesTable.keys();
while (allClasses.hasMoreElements()) {
ModuleClassID mcid = (ModuleClassID) allClasses.nextElement();
Object val = modulesTable.get(mcid);
// For applications, we ignore the role ID. It is not meaningfull,
// and a new one is assigned on the fly when loading this adv.
if (val instanceof Advertisement) {
TextElement m = doc.createElement(mainTag);
doc.appendChild(m);
if (!(modulesTable == appsTable || mcid.equals(mcid.getBaseClass()))) {
// It is not an app and there is a role ID. Output it.
TextElement i = doc.createElement(mcidTag, mcid.toString());
m.appendChild(i);
}
StructuredTextDocument advdoc =
(StructuredTextDocument) ((Advertisement) val).getDocument(encodeAs);
StructuredDocumentUtils.copyElements(doc, m, advdoc);
} else if (val instanceof ModuleSpecID) {
TextElement m;
if (modulesTable == appsTable || mcid.equals(mcid.getBaseClass())) {
// Either it is an app or there is no role ID.
// So the specId is good enough.
m = doc.createElement(mainTag, ((ModuleSpecID) val).toString());
doc.appendChild(m);
} else {
// The role ID matters, so the classId must be separate.
m = doc.createElement(mainTag);
doc.appendChild(m);
TextElement i;
i = doc.createElement(mcidTag, mcid.toString());
m.appendChild(i);
i = doc.createElement(msidTag, ((ModuleSpecID) val).toString());
m.appendChild(i);
}
} else {
if (LOG.isEnabledFor(Level.WARN)) LOG.warn("unsupported class in modules table");
}
}
}
