| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.performance; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.search.searches.OverridingMethodsSearch; |
| import com.intellij.psi.util.PropertyUtil; |
| import com.intellij.util.Query; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ClassUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class CallToSimpleGetterInClassInspectionBase extends BaseInspection { |
| @SuppressWarnings("UnusedDeclaration") |
| public boolean ignoreGetterCallsOnOtherObjects = false; |
| @SuppressWarnings("UnusedDeclaration") |
| public boolean onlyReportPrivateGetter = false; |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "CallToSimpleGetterFromWithinClass"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("call.to.simple.getter.in.class.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("call.to.simple.getter.in.class.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new CallToSimpleGetterInClassVisitor(); |
| } |
| |
| private class CallToSimpleGetterInClassVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) { |
| super.visitMethodCallExpression(call); |
| final PsiClass containingClass = ClassUtils.getContainingClass(call); |
| if (containingClass == null) { |
| return; |
| } |
| final PsiMethod method = call.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| if (!containingClass.equals(method.getContainingClass())) { |
| return; |
| } |
| final PsiReferenceExpression methodExpression = call.getMethodExpression(); |
| final PsiExpression qualifier = methodExpression.getQualifierExpression(); |
| if (qualifier != null && !(qualifier instanceof PsiThisExpression)) { |
| if (ignoreGetterCallsOnOtherObjects) { |
| return; |
| } |
| final PsiType type = qualifier.getType(); |
| if (!(type instanceof PsiClassType)) { |
| return; |
| } |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass qualifierClass = classType.resolve(); |
| if (!containingClass.equals(qualifierClass)) { |
| return; |
| } |
| } |
| if (!PropertyUtil.isSimpleGetter(method)) { |
| return; |
| } |
| if (onlyReportPrivateGetter && !method.hasModifierProperty(PsiModifier.PRIVATE)) { |
| return; |
| } |
| final Query<PsiMethod> query = OverridingMethodsSearch.search(method, true); |
| final PsiMethod overridingMethod = query.findFirst(); |
| if (overridingMethod != null) { |
| return; |
| } |
| registerMethodCallError(call); |
| } |
| } |
| } |