/**
* Searches {@code entries} for {@link AddeEntry} objects with two characteristics:
*
* <ul>
* <li>the object source is {@link EntrySource#SYSTEM}
* <li>the object is <b>not</b> in {@code systemEntries}
* </ul>
*
* <p>The intent behind this method is to safely remove {@literal "system"} entries that have been
* stored to a user's preferences. {@code entries} can be generated from anywhere you like, but
* {@code systemEntries} should almost always be created from {@literal "addeservers.xml"}.
*
* @param entries Cannot be {@code null}.
* @param systemEntries Cannot be {@code null}.
* @return {@code Set} of entries that are not system resources that have been removed, or an
* empty {@code Set}.
*/
private static Set<AddeEntry> removeDeletedSystemEntries(
final Collection<? extends AddeEntry> entries,
final Collection<? extends AddeEntry> systemEntries) {
Set<AddeEntry> pruned = newLinkedHashSet(entries.size());
for (AddeEntry entry : entries) {
if (entry.getEntrySource() != EntrySource.SYSTEM) {
pruned.add(entry);
} else if (systemEntries.contains(entry)) {
pruned.add(entry);
} else {
continue;
}
}
return pruned;
}
public boolean removeEntries(final Collection<? extends AddeEntry> removedEntries) {
notNull(removedEntries);
boolean val = true;
boolean tmpVal = true;
for (AddeEntry entry : removedEntries) {
if (entry.getEntrySource() != EntrySource.SYSTEM) {
tmpVal = trie.remove(entry.asStringId()) != null;
logger.trace("attempted bulk remove={} status={}", entry, tmpVal);
if (!tmpVal) {
val = tmpVal;
}
}
}
Event evt = (val) ? Event.REMOVAL : Event.FAILURE;
saveEntries();
EventBus.publish(evt);
return val;
}