| /* |
| * Copyright 2007 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.serialization; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.InitializationUtils; |
| import com.siyeh.ig.psiutils.SerializationUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class TransientFieldNotInitializedInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "transient.field.not.initialized.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "transient.field.not.initialized.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ReadObjectInitializationVisitor(); |
| } |
| |
| private static class ReadObjectInitializationVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitField(PsiField field) { |
| super.visitField(field); |
| if (!field.hasModifierProperty(PsiModifier.TRANSIENT)) { |
| return; |
| } |
| final PsiClass containingClass = field.getContainingClass(); |
| if (!SerializationUtils.isSerializable(containingClass)) { |
| return; |
| } |
| final PsiExpression initializer = field.getInitializer(); |
| if (initializer == null && |
| !isInitializedInInitializer(field, containingClass) && |
| !isInitializedInConstructors(field, containingClass)) { |
| return; |
| } |
| if (SerializationUtils.hasReadObject(containingClass)) { |
| return; |
| } |
| registerFieldError(field); |
| } |
| |
| private static boolean isInitializedInConstructors( |
| @NotNull PsiField field, @NotNull PsiClass aClass) { |
| final PsiMethod[] constructors = aClass.getConstructors(); |
| if (constructors.length == 0) { |
| return false; |
| } |
| for (final PsiMethod constructor : constructors) { |
| if (!InitializationUtils.methodAssignsVariableOrFails( |
| constructor, field)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private static boolean isInitializedInInitializer( |
| @NotNull PsiField field, @NotNull PsiClass aClass) { |
| final PsiClassInitializer[] initializers = aClass.getInitializers(); |
| for (final PsiClassInitializer initializer : initializers) { |
| if (initializer.hasModifierProperty(PsiModifier.STATIC)) { |
| continue; |
| } |
| final PsiCodeBlock body = initializer.getBody(); |
| if (InitializationUtils.blockAssignsVariableOrFails(body, |
| field)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| } |