public static boolean isValidPropertyReference(
@NotNull Project project,
@NotNull PsiLiteralExpression expression,
@NotNull String key,
@NotNull Ref<String> outResourceBundle) {
final HashMap<String, Object> annotationAttributeValues = new HashMap<String, Object>();
annotationAttributeValues.put(AnnotationUtil.PROPERTY_KEY_RESOURCE_BUNDLE_PARAMETER, null);
if (mustBePropertyKey(project, expression, annotationAttributeValues)) {
final Object resourceBundleName =
annotationAttributeValues.get(AnnotationUtil.PROPERTY_KEY_RESOURCE_BUNDLE_PARAMETER);
if (!(resourceBundleName instanceof PsiExpression)) {
return false;
}
PsiExpression expr = (PsiExpression) resourceBundleName;
final Object value =
JavaPsiFacade.getInstance(expr.getProject())
.getConstantEvaluationHelper()
.computeConstantExpression(expr);
if (value == null) {
return false;
}
String bundleName = value.toString();
outResourceBundle.set(bundleName);
return isPropertyRef(expression, key, bundleName);
}
return true;
}
@Nullable
private static PsiType getQualifierCastType(
PsiJavaReference javaReference, CompletionParameters parameters) {
if (javaReference instanceof PsiReferenceExpression) {
final PsiReferenceExpression refExpr = (PsiReferenceExpression) javaReference;
final PsiExpression qualifier = refExpr.getQualifierExpression();
if (qualifier != null) {
final Project project = qualifier.getProject();
PsiType type = null;
final PairFunction<PsiExpression, CompletionParameters, PsiType> evaluator =
refExpr.getContainingFile().getCopyableUserData(DYNAMIC_TYPE_EVALUATOR);
if (evaluator != null) {
type = evaluator.fun(qualifier, parameters);
}
if (type == null) {
type = GuessManager.getInstance(project).getControlFlowExpressionType(qualifier);
}
return type;
}
}
return null;
}
private static boolean processValuesFlownTo(
@NotNull final PsiExpression argument,
PsiElement scope,
@NotNull final Processor<PsiExpression> processor) {
SliceAnalysisParams params = new SliceAnalysisParams();
params.dataFlowToThis = true;
params.scope = new AnalysisScope(new LocalSearchScope(scope), argument.getProject());
SliceRootNode rootNode =
new SliceRootNode(
scope.getProject(), new DuplicateMap(), SliceManager.createRootUsage(argument, params));
Collection<? extends AbstractTreeNode> children =
rootNode.getChildren().iterator().next().getChildren();
for (AbstractTreeNode child : children) {
SliceUsage usage = (SliceUsage) child.getValue();
PsiElement element = usage.getElement();
if (element instanceof PsiExpression && !processor.process((PsiExpression) element))
return false;
}
return !children.isEmpty();
}