private String createNewVariableName(
@NotNull PsiForStatement scope, PsiType type,
@Nullable String containerName) {
final Project project = scope.getProject();
final JavaCodeStyleManager codeStyleManager =
JavaCodeStyleManager.getInstance(project);
@NonNls String baseName;
if (containerName != null) {
baseName = StringUtils.createSingularFromName(containerName);
}
else {
final SuggestedNameInfo suggestions =
codeStyleManager.suggestVariableName(
VariableKind.LOCAL_VARIABLE, null, null, type);
final String[] names = suggestions.names;
if (names != null && names.length > 0) {
baseName = names[0];
}
else {
baseName = "value";
}
}
if (baseName == null || baseName.isEmpty()) {
baseName = "value";
}
return codeStyleManager.suggestUniqueVariableName(baseName, scope,
true);
}
// need to shorten references in type argument list
public static void shortenReference(final PsiFile file, final int offset)
throws IncorrectOperationException {
Project project = file.getProject();
final PsiDocumentManager manager = PsiDocumentManager.getInstance(project);
Document document = manager.getDocument(file);
if (document == null) {
PsiUtilCore.ensureValid(file);
LOG.error("No document for " + file);
return;
}
manager.commitDocument(document);
final PsiReference ref = file.findReferenceAt(offset);
if (ref != null) {
PsiElement element = ref.getElement();
if (element != null) {
JavaCodeStyleManager.getInstance(project).shortenClassReferences(element);
PsiDocumentManager.getInstance(project).doPostponedOperationsAndUnblockDocument(document);
}
}
}