| /* |
| * Copyright 2003-2007 Dave Griffith, 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.ControlFlowUtils; |
| import com.siyeh.ig.psiutils.InitializationUtils; |
| import com.siyeh.ig.psiutils.SerializationUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ReadObjectInitializationInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "InstanceVariableMayNotBeInitializedByReadObject"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "readobject.initialization.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "readobject.initialization.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ReadObjectInitializationVisitor(); |
| } |
| |
| private static class ReadObjectInitializationVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethod(@NotNull PsiMethod method) { |
| // no call to super, so it doesn't drill down |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return; |
| } |
| if (aClass.isInterface() || aClass.isAnnotationType()) { |
| return; |
| } |
| if (!SerializationUtils.isSerializable(aClass)) { |
| return; |
| } |
| if (!SerializationUtils.isReadObject(method)) { |
| return; |
| } |
| final boolean defaultReadObjectCalled = |
| ControlFlowUtils.elementContainsCallToMethod(method, "java.io.ObjectInputStream", |
| PsiType.VOID, "defaultReadObject"); |
| final PsiField[] fields = aClass.getFields(); |
| if (defaultReadObjectCalled) { |
| for (final PsiField field : fields) { |
| if (field.hasModifierProperty(PsiModifier.TRANSIENT) && |
| !isFieldInitialized(field, method)) { |
| registerFieldError(field); |
| } |
| } |
| } |
| else { |
| for (final PsiField field : fields) { |
| if (!isFieldInitialized(field, method)) { |
| registerFieldError(field); |
| } |
| } |
| } |
| } |
| |
| public static boolean isFieldInitialized(@NotNull PsiField field, |
| @NotNull PsiMethod method) { |
| if (field.hasModifierProperty(PsiModifier.STATIC)) { |
| return true; |
| } |
| if (field.hasModifierProperty(PsiModifier.FINAL) && |
| field.getInitializer() != null) { |
| return true; |
| } |
| return InitializationUtils.methodAssignsVariableOrFails(method, |
| field); |
| } |
| } |
| } |