| /* |
| * Copyright 2003-2010 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.style; |
| |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ExtendsObjectInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("extends.object.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "ClassExplicitlyExtendsObject"; |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "extends.object.problem.descriptor"); |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new ExtendsObjectFix(); |
| } |
| |
| private static class ExtendsObjectFix extends InspectionGadgetsFix { |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message( |
| "extends.object.remove.quickfix"); |
| } |
| |
| @Override |
| public void doFix(@NotNull Project project, ProblemDescriptor descriptor) |
| throws IncorrectOperationException { |
| final PsiElement extendClassIdentifier = descriptor.getPsiElement(); |
| final PsiClass element = |
| (PsiClass)extendClassIdentifier.getParent(); |
| if (element == null) { |
| return; |
| } |
| final PsiReferenceList extendsList = element.getExtendsList(); |
| if (extendsList == null) { |
| return; |
| } |
| final PsiJavaCodeReferenceElement[] referenceElements = |
| extendsList.getReferenceElements(); |
| for (PsiJavaCodeReferenceElement referenceElement : |
| referenceElements) { |
| deleteElement(referenceElement); |
| } |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ExtendsObjectVisitor(); |
| } |
| |
| private static class ExtendsObjectVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitClass(@NotNull PsiClass aClass) { |
| if (aClass.isInterface() || aClass.isAnnotationType()) { |
| return; |
| } |
| if (aClass instanceof PsiTypeParameter) { |
| return; |
| } |
| final PsiClassType[] types = aClass.getExtendsListTypes(); |
| for (final PsiClassType type : types) { |
| if (type.equalsToText(CommonClassNames.JAVA_LANG_OBJECT)) { |
| registerClassError(aClass); |
| } |
| } |
| } |
| } |
| } |