plugins/InspectionGadgets/src/com/siyeh/ig/threading/VolatileLongOrDoubleFieldInspection.java

   1 /*
   2  * Copyright 2003-2007 Dave Griffith, Bas Leijdekkers
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.siyeh.ig.threading;
  17
  18 import com.intellij.psi.PsiField;
  19 import com.intellij.psi.PsiModifier;
  20 import com.intellij.psi.PsiType;
  21 import com.siyeh.InspectionGadgetsBundle;
  22 import com.siyeh.ig.BaseInspection;
  23 import com.siyeh.ig.BaseInspectionVisitor;
  24 import org.jetbrains.annotations.NotNull;
  25
  26 public class VolatileLongOrDoubleFieldInspection extends BaseInspection {
  27
  28     @NotNull
  29     public String getDisplayName() {
  30         return InspectionGadgetsBundle.message(
  31                 "volatile.long.or.double.field.display.name");
  32     }
  33
  34     @NotNull
  35     public String buildErrorString(Object... infos) {
  36         final PsiType type = (PsiType)infos[0];
  37         final String typeString = type.getPresentableText();
  38         return InspectionGadgetsBundle.message(
  39                 "volatile.field.problem.descriptor", typeString);
  40     }
  41
  42     public BaseInspectionVisitor buildVisitor() {
  43         return new VolatileLongOrDoubleFieldVisitor();
  44     }
  45
  46     private static class VolatileLongOrDoubleFieldVisitor
  47             extends BaseInspectionVisitor {
  48
  49         @Override public void visitField(@NotNull PsiField field) {
  50             super.visitField(field);
  51             if (!field.hasModifierProperty(PsiModifier.VOLATILE)) {
  52                 return;
  53             }
  54             final PsiType type = field.getType();
  55             if (PsiType.LONG.equals(type) || PsiType.DOUBLE.equals(type)) {
  56                 registerFieldError(field, type);
  57             }
  58         }
  59     }
  60 }