private synchronized void ensureSortersRead() {
if (fSorters != null) {
return;
}
Map<String, ProposalSorterHandle> sorters = new LinkedHashMap<String, ProposalSorterHandle>();
IExtensionRegistry registry = Platform.getExtensionRegistry();
List<IConfigurationElement> elements =
new ArrayList<IConfigurationElement>(
Arrays.asList(
registry.getConfigurationElementsFor(
DartToolsPlugin.getPluginId(), EXTENSION_POINT)));
for (Iterator<IConfigurationElement> iter = elements.iterator(); iter.hasNext(); ) {
IConfigurationElement element = iter.next();
try {
ProposalSorterHandle handle = new ProposalSorterHandle(element);
final String id = handle.getId();
sorters.put(id, handle);
if (DEFAULT_ID.equals(id)) {
fDefaultSorter = handle;
}
} catch (InvalidRegistryObjectException x) {
/*
* Element is not valid any longer as the contributing plug-in was unloaded or for some
* other reason. Do not include the extension in the list and inform the user about it.
*/
Object[] args = {element.toString()};
String message =
Messages.format(
DartTextMessages.CompletionProposalComputerRegistry_invalid_message, args);
IStatus status =
new Status(IStatus.WARNING, DartToolsPlugin.getPluginId(), IStatus.OK, message, x);
informUser(status);
}
}
fSorters = sorters;
}
public void select(ProposalSorterHandle handle) {
Assert.isTrue(handle != null);
String id = handle.getId();
fPreferenceStore.setValue(fKey, id);
}
