| /* |
| * 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.maturity; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ClassUtils; |
| import com.siyeh.ig.psiutils.LibraryUtil; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class UseOfObsoleteDateTimeApiInspection extends BaseInspection { |
| |
| private static final Set<String> dateTimeNames = new HashSet<String>( |
| Arrays.asList("java.util.Date", "java.util.Calendar", "java.util.GregorianCalendar", "java.util.TimeZone", "java.util.SimpleTimeZone")); |
| |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("use.of.obsolete.date.time.api.display.name"); |
| } |
| |
| @NotNull |
| @Override |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("use.of.obsolete.date.time.api.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ObsoleteDateTimeApiVisitor(); |
| } |
| |
| private static class ObsoleteDateTimeApiVisitor extends BaseInspectionVisitor { |
| |
| private Boolean newDateTimeApiPresent = null; |
| |
| @Override |
| public void visitTypeElement(PsiTypeElement typeElement) { |
| if (!isNewDateTimeApiPresent(typeElement)) { |
| return; |
| } |
| super.visitTypeElement(typeElement); |
| final PsiType type = typeElement.getType(); |
| if (!isObsoleteDateTimeType(type)) { |
| return; |
| } |
| final PsiElement parent = typeElement.getParent(); |
| if (parent instanceof PsiMethod) { |
| final PsiMethod method = (PsiMethod)parent; |
| if (LibraryUtil.isOverrideOfLibraryMethod(method)) { |
| return; |
| } |
| } |
| else if (parent instanceof PsiParameter) { |
| final PsiParameter parameter = (PsiParameter)parent; |
| if (LibraryUtil.isOverrideOfLibraryMethodParameter(parameter)) { |
| return; |
| } |
| } |
| registerError(typeElement); |
| } |
| |
| @Override |
| public void visitClass(PsiClass aClass) { |
| if (!isNewDateTimeApiPresent(aClass)) { |
| return; |
| } |
| super.visitClass(aClass); |
| final PsiReferenceList extendsList = aClass.getExtendsList(); |
| if (extendsList == null) { |
| return; |
| } |
| for (PsiJavaCodeReferenceElement referenceElement : extendsList.getReferenceElements()) { |
| final PsiElement target = referenceElement.resolve(); |
| if (!(target instanceof PsiClass)) { |
| return; |
| } |
| final PsiClass extendsClass = (PsiClass)target; |
| if (isObsoleteDateTimeClass(extendsClass)) { |
| registerError(referenceElement); |
| } |
| } |
| } |
| |
| private boolean isNewDateTimeApiPresent(PsiElement context) { |
| if (newDateTimeApiPresent == null) { |
| newDateTimeApiPresent = ClassUtils.findClass("java.time.Instant", context) != null; |
| } |
| return newDateTimeApiPresent != Boolean.FALSE; |
| } |
| |
| private static boolean isObsoleteDateTimeType(PsiType type) { |
| if (type == null) { |
| return false; |
| } |
| final PsiType deepComponentType = type.getDeepComponentType(); |
| if (!(deepComponentType instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiClassType classType = (PsiClassType)deepComponentType; |
| final PsiClass aClass = classType.resolve(); |
| return isObsoleteDateTimeClass(aClass); |
| } |
| |
| private static boolean isObsoleteDateTimeClass(PsiClass aClass) { |
| if (aClass == null) { |
| return false; |
| } |
| return dateTimeNames.contains(aClass.getQualifiedName()); |
| } |
| } |
| } |