| /* |
| * Copyright 2003-2010 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.threading; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.fixes.MakeFieldFinalFix; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class SynchronizeOnNonFinalFieldInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "synchronize.on.non.final.field.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "synchronize.on.non.final.field.problem.descriptor"); |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| @Nullable |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| final PsiField field = (PsiField)infos[0]; |
| return MakeFieldFinalFix.buildFix(field); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new SynchronizeOnNonFinalFieldVisitor(); |
| } |
| |
| private static class SynchronizeOnNonFinalFieldVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitSynchronizedStatement( |
| @NotNull PsiSynchronizedStatement statement) { |
| super.visitSynchronizedStatement(statement); |
| final PsiExpression lockExpression = statement.getLockExpression(); |
| if (!(lockExpression instanceof PsiReferenceExpression)) { |
| return; |
| } |
| final PsiReference reference = lockExpression.getReference(); |
| if (reference == null) { |
| return; |
| } |
| final PsiElement element = reference.resolve(); |
| if (!(element instanceof PsiField)) { |
| return; |
| } |
| final PsiField field = (PsiField)element; |
| if (field.hasModifierProperty(PsiModifier.FINAL)) { |
| return; |
| } |
| registerError(lockExpression, field); |
| } |
| } |
| } |