@Nullable private ProblemDescriptor createDescription( @NotNull PsiTypeCastExpression cast, @NotNull InspectionManager manager, boolean onTheFly) { PsiExpression operand = cast.getOperand(); PsiTypeElement castType = cast.getCastType(); if (operand == null || castType == null) return null; PsiElement parent = cast.getParent(); while (parent instanceof PsiParenthesizedExpression) { parent = parent.getParent(); } if (parent instanceof PsiReferenceExpression) { if (IGNORE_ANNOTATED_METHODS) { final PsiElement gParent = parent.getParent(); if (gParent instanceof PsiMethodCallExpression) { final PsiMethod psiMethod = ((PsiMethodCallExpression) gParent).resolveMethod(); if (psiMethod != null && NullableNotNullManager.isNotNull(psiMethod)) { final PsiClass superClass = PsiUtil.resolveClassInType(operand.getType()); final PsiClass containingClass = psiMethod.getContainingClass(); if (containingClass != null && superClass != null && containingClass.isInheritor(superClass, true)) { for (PsiMethod method : psiMethod.findSuperMethods(superClass)) { if (NullableNotNullManager.isNullable(method)) { return null; } } } } } } } else if (parent instanceof PsiExpressionList) { final PsiElement gParent = parent.getParent(); if (gParent instanceof PsiMethodCallExpression && IGNORE_SUSPICIOUS_METHOD_CALLS) { final String message = SuspiciousCollectionsMethodCallsInspection.getSuspiciousMethodCallMessage( (PsiMethodCallExpression) gParent, operand.getType(), true, new ArrayList<PsiMethod>(), new IntArrayList()); if (message != null) { return null; } } } String message = InspectionsBundle.message( "inspection.redundant.cast.problem.descriptor", "<code>" + operand.getText() + "</code>", "<code>#ref</code> #loc"); return manager.createProblemDescriptor( castType, message, myQuickFixAction, ProblemHighlightType.LIKE_UNUSED_SYMBOL, onTheFly); }
@Override public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) { if (!FileModificationService.getInstance() .preparePsiElementForWrite(descriptor.getPsiElement())) return; final PsiModifierListOwner element = PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), PsiModifierListOwner.class); if (element != null) { RefElement refElement = null; if (myManager != null) { refElement = myManager.getReference(element); } try { if (element instanceof PsiVariable) { ((PsiVariable) element).normalizeDeclaration(); } PsiModifierList list = element.getModifierList(); LOG.assertTrue(list != null); if (element instanceof PsiMethod) { PsiMethod psiMethod = (PsiMethod) element; PsiClass containingClass = psiMethod.getContainingClass(); if (containingClass != null && containingClass.getParent() instanceof PsiFile && myHint == PsiModifier.PRIVATE && list.hasModifierProperty(PsiModifier.FINAL)) { list.setModifierProperty(PsiModifier.FINAL, false); } } list.setModifierProperty(myHint, true); if (refElement instanceof RefJavaElement) { RefJavaUtil.getInstance().setAccessModifier((RefJavaElement) refElement, myHint); } } catch (IncorrectOperationException e) { LOG.error(e); } } }