@Override public void onInitialize(RefElement refElement) { ((RefElementImpl) refElement).setFlag(true, CAN_BE_FINAL_MASK); if (refElement instanceof RefClass) { final RefClass refClass = (RefClass) refElement; final PsiClass psiClass = refClass.getElement(); if (refClass.isEntry()) { ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK); return; } if (refClass.isAbstract() || refClass.isAnonymous() || refClass.isInterface()) { ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK); return; } if (!refClass.isSelfInheritor(psiClass)) { for (PsiClass psiSuperClass : psiClass.getSupers()) { if (myManager.belongsToScope(psiSuperClass)) { RefClass refSuperClass = (RefClass) myManager.getReference(psiSuperClass); if (refSuperClass != null) { ((RefClassImpl) refSuperClass).setFlag(false, CAN_BE_FINAL_MASK); } } } } } else if (refElement instanceof RefMethod) { final RefMethod refMethod = (RefMethod) refElement; final PsiElement element = refMethod.getElement(); if (element instanceof PsiMethod) { PsiMethod psiMethod = (PsiMethod) element; if (refMethod.isConstructor() || refMethod.isAbstract() || refMethod.isStatic() || PsiModifier.PRIVATE.equals(refMethod.getAccessModifier()) || refMethod.getOwnerClass().isAnonymous() || refMethod.getOwnerClass().isInterface()) { ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK); } if (PsiModifier.PRIVATE.equals(refMethod.getAccessModifier()) && refMethod.getOwner() != null && !(refMethod.getOwnerClass().getOwner() instanceof RefElement)) { ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK); } for (PsiMethod psiSuperMethod : psiMethod.findSuperMethods()) { if (myManager.belongsToScope(psiSuperMethod)) { RefMethod refSuperMethod = (RefMethod) myManager.getReference(psiSuperMethod); if (refSuperMethod != null) { ((RefMethodImpl) refSuperMethod).setFlag(false, CAN_BE_FINAL_MASK); } } } } } }
@Override public void visitMethod(@NotNull PsiMethod method) { // don't call super, to keep this from drilling in if (!method.isConstructor()) { return; } if (!method.hasModifierProperty(PsiModifier.PRIVATE)) { return; } final PsiClass aClass = method.getContainingClass(); if (aClass == null) { return; } if (!aClass.isEnum()) { return; } final PsiModifierList modifiers = method.getModifierList(); final PsiElement[] children = modifiers.getChildren(); for (final PsiElement child : children) { final String text = child.getText(); if (PsiModifier.PRIVATE.equals(text)) { registerError(child, child, method); } } }
@Override public boolean isSuspicious() { if (isConstructor() && PsiModifier.PRIVATE.equals(getAccessModifier()) && getParameters().length == 0 && getOwnerClass().getConstructors().size() == 1) return false; return super.isSuspicious(); }