@Override
protected final void checkUpdates() {
try {
final List<LogEntry> changes = _parser.readFromURL(getPath().getPath()); // is immutable
final Collection<LogEntry> toNotify = new LinkedHashSet<LogEntry>();
for (final LogEntry change : changes) {
if (!_seenChanges.contains(change.getChangeID())) {
toNotify.add(change);
}
}
notifyAllListeners(toNotify);
_seenChanges.clear();
_seenChanges.addAll(extractChangesetInfo(changes));
} catch (final SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (final IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
protected static final Set<String> extractChangesetInfo(final Collection<LogEntry> logs) {
final Set<String> changesets = new LinkedHashSet<String>();
for (final LogEntry e : logs) {
changesets.add(e.getChangeID());
}
return Collections.unmodifiableSet(changesets);
}