@Nullable
public static Name getAliasName(@NotNull JetImportDirective importDirective) {
String aliasName = importDirective.getAliasName();
JetExpression importedReference = importDirective.getImportedReference();
if (importedReference == null) {
return null;
}
JetSimpleNameExpression referenceExpression = getLastReference(importedReference);
if (aliasName == null) {
aliasName = referenceExpression != null ? referenceExpression.getReferencedName() : null;
}
return aliasName != null && !aliasName.isEmpty() ? Name.identifier(aliasName) : null;
}
@Nullable
@IfNotParsed
public static ImportPath getImportPath(@NotNull JetImportDirective importDirective) {
if (PsiTreeUtil.hasErrorElements(importDirective)) {
return null;
}
FqName importFqn = getFQName(importDirective.getImportedReference());
if (importFqn == null) {
return null;
}
Name alias = null;
String aliasName = importDirective.getAliasName();
if (aliasName != null) {
alias = Name.identifier(aliasName);
}
return new ImportPath(importFqn, importDirective.isAllUnder(), alias);
}