plugins/InspectionGadgets/src/com/siyeh/ig/classlayout/ClassInitializerInspection.java

   1 /*
   2  * Copyright 2003-2008 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.classlayout;
  17
  18 import com.intellij.psi.PsiClassInitializer;
  19 import com.intellij.psi.PsiModifier;
  20 import com.siyeh.InspectionGadgetsBundle;
  21 import com.siyeh.ig.BaseInspection;
  22 import com.siyeh.ig.BaseInspectionVisitor;
  23 import com.siyeh.ig.InspectionGadgetsFix;
  24 import com.siyeh.ig.fixes.ChangeModifierFix;
  25 import org.jetbrains.annotations.NotNull;
  26 import org.jetbrains.annotations.Nullable;
  27
  28 public class ClassInitializerInspection extends BaseInspection {
  29
  30     @NotNull
  31     public String getID() {
  32         return "NonStaticInitializer";
  33     }
  34
  35     @NotNull
  36     public String getDisplayName() {
  37         return InspectionGadgetsBundle.message(
  38                 "class.initializer.display.name");
  39     }
  40
  41     @NotNull
  42     protected String buildErrorString(Object... infos) {
  43         return InspectionGadgetsBundle.message(
  44                 "class.initializer.problem.descriptor");
  45     }
  46
  47     @Override
  48     @Nullable
  49     protected InspectionGadgetsFix buildFix(Object... infos) {
  50         return new ChangeModifierFix(PsiModifier.STATIC);
  51     }
  52
  53     public BaseInspectionVisitor buildVisitor() {
  54         return new ClassInitializerVisitor();
  55     }
  56
  57     private static class ClassInitializerVisitor extends BaseInspectionVisitor {
  58
  59         @Override
  60         public void visitClassInitializer(PsiClassInitializer initializer) {
  61             super.visitClassInitializer(initializer);
  62             if (initializer.hasModifierProperty(PsiModifier.STATIC)) {
  63                 return;
  64             }
  65             registerClassInitializerError(initializer);
  66         }
  67     }
  68 }