@Override @Nullable public CommonProblemDescriptor[] checkElement( @NotNull final RefEntity refEntity, @NotNull final AnalysisScope scope, @NotNull final InspectionManager manager, @NotNull final GlobalInspectionContext globalContext, @NotNull final ProblemDescriptionsProcessor processor) { if (refEntity instanceof RefJavaElement) { final RefJavaElement refElement = (RefJavaElement) refEntity; if (refElement instanceof RefParameter) return null; if (!refElement.isReferenced()) return null; if (refElement.isSyntheticJSP()) return null; if (refElement.isFinal()) return null; if (!((RefElementImpl) refElement).checkFlag(CanBeFinalAnnotator.CAN_BE_FINAL_MASK)) return null; final PsiMember psiMember = (PsiMember) refElement.getElement(); if (psiMember == null || !CanBeFinalHandler.allowToBeFinal(psiMember)) return null; PsiIdentifier psiIdentifier = null; if (refElement instanceof RefClass) { RefClass refClass = (RefClass) refElement; if (refClass.isInterface() || refClass.isAnonymous() || refClass.isAbstract()) return null; if (!isReportClasses()) return null; psiIdentifier = ((PsiClass) psiMember).getNameIdentifier(); } else if (refElement instanceof RefMethod) { RefMethod refMethod = (RefMethod) refElement; if (refMethod.getOwnerClass().isFinal()) return null; if (!isReportMethods()) return null; psiIdentifier = ((PsiMethod) psiMember).getNameIdentifier(); } else if (refElement instanceof RefField) { if (!isReportFields()) return null; psiIdentifier = ((PsiField) psiMember).getNameIdentifier(); } if (psiIdentifier != null) { return new ProblemDescriptor[] { manager.createProblemDescriptor( psiIdentifier, InspectionsBundle.message("inspection.export.results.can.be.final.description"), new AcceptSuggested(globalContext.getRefManager()), ProblemHighlightType.GENERIC_ERROR_OR_WARNING, false) }; } } return null; }
@Nullable public CommonProblemDescriptor[] checkElement( final RefEntity refEntity, final AnalysisScope scope, final InspectionManager manager, final GlobalInspectionContext globalContext, final ProblemDescriptionsProcessor processor) { if (refEntity instanceof RefMethod) { final RefMethod refMethod = (RefMethod) refEntity; if (refMethod.isSyntheticJSP()) return null; if (refMethod.isExternalOverride()) return null; if (!(refMethod.isStatic() || refMethod.isConstructor()) && !refMethod.getSuperMethods().isEmpty()) return null; if ((refMethod.isAbstract() || refMethod.getOwnerClass().isInterface()) && refMethod.getDerivedMethods().isEmpty()) return null; if (RefUtil.isEntryPoint(refMethod)) return null; if (refMethod.isAppMain()) return null; final ArrayList<RefParameter> unusedParameters = getUnusedParameters(refMethod); if (unusedParameters.isEmpty()) return null; final List<ProblemDescriptor> result = new ArrayList<ProblemDescriptor>(); for (RefParameter refParameter : unusedParameters) { final PsiIdentifier psiIdentifier = refParameter.getElement().getNameIdentifier(); if (psiIdentifier != null) { result.add( manager.createProblemDescriptor( psiIdentifier, refMethod.isAbstract() ? InspectionsBundle.message("inspection.unused.parameter.composer") : InspectionsBundle.message("inspection.unused.parameter.composer1"), new AcceptSuggested( globalContext.getRefManager(), processor, refParameter.toString()), ProblemHighlightType.LIKE_UNUSED_SYMBOL, false)); } } return result.toArray(new CommonProblemDescriptor[result.size()]); } return null; }