@Override
public List<EObject> getLinkedObjects(EObject context, EReference ref, INode node)
throws IllegalNodeException {
try {
depth++;
String text = getText(node);
boolean traceLookup = BaseScopeProvider.LOOKUP.isActive();
if ((text == null) || "".equals(text)) { // Avoid IQualifiedNameConverter IAE
if (traceLookup) {
BaseScopeProvider.LOOKUP.println("" + depth + " Lookup null");
}
return Collections.emptyList();
}
IScope scope = getScope(context, ref);
if (traceLookup) {
// EObject target = ((ScopeView)scope).getTarget();
// String inString = target instanceof ElementCS ? ((ElementCS)target).getSignature() :
// target.toString();
// BaseScopeProvider.LOOKUP.println("" + depth + " Lookup " + text + " in " + inString);
BaseScopeProvider.LOOKUP.println("" + depth + " Lookup " + text);
}
if (scope == null) {
return Collections.emptyList();
}
QualifiedName qualifiedName = QualifiedName.create(text);
List<EObject> linkedObjects = lookUp(scope, qualifiedName);
if ((linkedObjects.size() <= 0) && text.startsWith("_")) { // Deprecated compatibility
linkedObjects = lookUp(scope, QualifiedName.create(text.substring(1)));
}
if (traceLookup) {
BaseScopeProvider.LOOKUP.println("" + depth + " Lookup " + text + " failed");
}
List<Adapter> eAdapters = context.eAdapters();
Adapter adapter = EcoreUtil.getAdapter(eAdapters, ExceptionAdapter.class);
if (adapter != null) {
eAdapters.remove(adapter);
}
if (linkedObjects.size() > 1) {
if (DEBUG_RETRY.isActive()) {
scope.getElements(qualifiedName);
}
AmbiguitiesAdapter.setAmbiguities(context, linkedObjects);
return Collections.emptyList();
}
if (linkedObjects.size() <= 0) {
if (DEBUG_RETRY.isActive()) {
scope.getElements(qualifiedName);
}
}
return linkedObjects;
} catch (IllegalLibraryException e) {
context.eAdapters().add(new ExceptionAdapter(e));
return Collections.emptyList();
} finally {
depth--;
}
}
protected List<EObject> lookUp(@NonNull IScope scope, QualifiedName qualifiedName) {
@NonNull List<EObject> linkedObjects = new ArrayList<EObject>();
for (IEObjectDescription eObjectDescription : scope.getElements(qualifiedName)) {
EObject eObjectOrProxy = eObjectDescription.getEObjectOrProxy();
linkedObjects.add(eObjectOrProxy);
if (BaseScopeProvider.LOOKUP.isActive()) {
BaseScopeProvider.LOOKUP.println(
"" + depth + " Lookup " + qualifiedName + " => " + eObjectOrProxy);
}
}
return linkedObjects;
}