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(); }