| /* |
| * Copyright 2003-2007 Dave Griffith, Bas Leijdekkers |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.siyeh.ig.inheritance; |
| |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiJavaCodeReferenceElement; |
| import com.intellij.psi.PsiReferenceList; |
| import com.intellij.psi.util.PsiUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ExtendsAnnotationInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "ClassExplicitlyAnnotation"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "extends.annotation.display.name"); |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final PsiClass containingClass = (PsiClass)infos[0]; |
| return InspectionGadgetsBundle.message( |
| "extends.annotation.problem.descriptor", |
| containingClass.getName()); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ExtendsAnnotationVisitor(); |
| } |
| |
| private static class ExtendsAnnotationVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitClass(@NotNull PsiClass aClass) { |
| if (!PsiUtil.isLanguageLevel5OrHigher(aClass)) { |
| return; |
| } |
| if (aClass.isAnnotationType()) { |
| return; |
| } |
| final PsiReferenceList extendsList = aClass.getExtendsList(); |
| checkReferenceList(extendsList, aClass); |
| final PsiReferenceList implementsList = aClass.getImplementsList(); |
| checkReferenceList(implementsList, aClass); |
| } |
| |
| private void checkReferenceList(PsiReferenceList referenceList, |
| PsiClass containingClass) { |
| if (referenceList == null) { |
| return; |
| } |
| final PsiJavaCodeReferenceElement[] elements = |
| referenceList.getReferenceElements(); |
| for (final PsiJavaCodeReferenceElement element : elements) { |
| final PsiElement referent = element.resolve(); |
| if (!(referent instanceof PsiClass)) { |
| continue; |
| } |
| final PsiClass psiClass = (PsiClass)referent; |
| psiClass.isAnnotationType(); |
| if (psiClass.isAnnotationType()) { |
| registerError(element, containingClass); |
| } |
| } |
| } |
| } |
| } |