| /* |
| * 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.inheritance; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.CollectionUtils; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ExtendsConcreteCollectionInspectionBase extends BaseInspection { |
| @Override |
| @NotNull |
| public String getID() { |
| return "ClassExtendsConcreteCollection"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "extends.concrete.collection.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final PsiClass superClass = (PsiClass)infos[0]; |
| final PsiClass aClass = (PsiClass)infos[1]; |
| if (aClass instanceof PsiAnonymousClass) { |
| return InspectionGadgetsBundle.message("anonymous.extends.concrete.collection.problem.descriptor", superClass.getQualifiedName()); |
| } else { |
| return InspectionGadgetsBundle.message("extends.concrete.collection.problem.descriptor", superClass.getQualifiedName()); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ExtendsConcreteCollectionVisitor(); |
| } |
| |
| private static class ExtendsConcreteCollectionVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitClass(@NotNull PsiClass aClass) { |
| if (aClass.isInterface() || aClass.isAnnotationType() || aClass.isEnum()) { |
| return; |
| } |
| final PsiClass superClass = aClass.getSuperClass(); |
| if (!CollectionUtils.isConcreteCollectionClass(superClass)) { |
| return; |
| } |
| final String qualifiedName = superClass.getQualifiedName(); |
| if ("java.util.LinkedHashMap".equals(qualifiedName)) { |
| final PsiMethod[] methods = aClass.findMethodsByName("removeEldestEntry", false); |
| final PsiClassType entryType = TypeUtils.getType("java.util.Map.Entry", aClass); |
| for (PsiMethod method : methods) { |
| if (!PsiType.BOOLEAN.equals(method.getReturnType())) { |
| continue; |
| } |
| final PsiParameterList parameterList = method.getParameterList(); |
| if ( parameterList.getParametersCount() != 1) { |
| continue; |
| } |
| final PsiParameter parameter = parameterList.getParameters()[0]; |
| if (entryType.isAssignableFrom(parameter.getType())) { |
| return; |
| } |
| } |
| } |
| registerClassError(aClass, superClass, aClass); |
| } |
| } |
| } |