| /* |
| * Copyright 2006-2012 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.codeInspection.ui.SingleCheckboxOptionsPanel; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiModifier; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.UtilityClassUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| |
| public class ExtendsUtilityClassInspection extends BaseInspection { |
| |
| @SuppressWarnings("PublicField") |
| public boolean ignoreUtilityClasses = false; |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("class.extends.utility.class.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| final PsiClass superClass = (PsiClass)infos[0]; |
| final String superClassName = superClass.getName(); |
| return InspectionGadgetsBundle.message("class.extends.utility.class.problem.descriptor", superClassName); |
| } |
| |
| @Nullable |
| @Override |
| public JComponent createOptionsPanel() { |
| return new SingleCheckboxOptionsPanel(InspectionGadgetsBundle.message("class.extends.utility.class.ignore.utility.class.option"), |
| this, "ignoreUtilityClasses"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ClassExtendsUtilityClassVisitor(); |
| } |
| |
| private class ClassExtendsUtilityClassVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitClass(PsiClass aClass) { |
| if (aClass.isInterface() || aClass.isAnnotationType()) { |
| return; |
| } |
| final PsiClass superClass = aClass.getSuperClass(); |
| if (superClass == null) { |
| return; |
| } |
| if (superClass.hasModifierProperty(PsiModifier.ABSTRACT)) { |
| return; |
| } |
| if (!UtilityClassUtil.isUtilityClass(superClass)) { |
| return; |
| } |
| if (ignoreUtilityClasses && UtilityClassUtil.isUtilityClass(aClass, false)) { |
| return; |
| } |
| registerClassError(aClass, superClass); |
| } |
| } |
| } |