plugins/InspectionGadgets/src/com/siyeh/ig/inheritance/NonProtectedConstructorInAbstractClassInspection.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.inheritance;
  17
  18 import com.intellij.psi.PsiClass;
  19 import com.intellij.psi.PsiMethod;
  20 import com.intellij.psi.PsiModifier;
  21 import com.siyeh.InspectionGadgetsBundle;
  22 import com.siyeh.ig.BaseInspection;
  23 import com.siyeh.ig.BaseInspectionVisitor;
  24 import com.siyeh.ig.InspectionGadgetsFix;
  25 import com.siyeh.ig.fixes.ChangeModifierFix;
  26 import com.siyeh.ig.ui.SingleCheckboxOptionsPanel;
  27 import org.jetbrains.annotations.NotNull;
  28
  29 import javax.swing.*;
  30
  31 public class NonProtectedConstructorInAbstractClassInspection
  32         extends BaseInspection {
  33
  34     /**
  35      * @noinspection PublicField
  36      */
  37     public boolean m_ignoreNonPublicClasses = false;
  38
  39     @NotNull
  40     public String getDisplayName() {
  41         return InspectionGadgetsBundle.message(
  42                 "non.protected.constructor.in.abstract.class.display.name");
  43     }
  44
  45     @NotNull
  46     public String getID() {
  47         return "ConstructorNotProtectedInAbstractClass";
  48     }
  49
  50     @NotNull
  51     protected String buildErrorString(Object... infos) {
  52         return InspectionGadgetsBundle.message(
  53                 "non.protected.constructor.in.abstract.class.problem.descriptor");
  54     }
  55
  56     public JComponent createOptionsPanel() {
  57         return new SingleCheckboxOptionsPanel(
  58                 InspectionGadgetsBundle.message(
  59                         "non.protected.constructor.in.abstract.class.ignore.option"),
  60                 this, "m_ignoreNonPublicClasses");
  61     }
  62
  63     public BaseInspectionVisitor buildVisitor() {
  64         return new NonProtectedConstructorInAbstractClassVisitor();
  65     }
  66
  67     public InspectionGadgetsFix buildFix(Object... infos) {
  68         return new ChangeModifierFix(PsiModifier.PROTECTED);
  69     }
  70
  71     private class NonProtectedConstructorInAbstractClassVisitor
  72             extends BaseInspectionVisitor {
  73
  74         @Override public void visitMethod(@NotNull PsiMethod method) {
  75             //no call to super, so we don't drill into anonymous classes
  76             if (!method.isConstructor()) {
  77                 return;
  78             }
  79             if (method.hasModifierProperty(PsiModifier.PROTECTED)
  80                 || method.hasModifierProperty(PsiModifier.PRIVATE)) {
  81                 return;
  82             }
  83             final PsiClass containingClass = method.getContainingClass();
  84             if (containingClass == null) {
  85                 return;
  86             }
  87             if (m_ignoreNonPublicClasses &&
  88                 !containingClass.hasModifierProperty(PsiModifier.PUBLIC)) {
  89                 return;
  90             }
  91             if (!containingClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
  92                 return;
  93             }
  94             if (containingClass.isEnum()) {
  95                 return;
  96             }
  97             registerMethodError(method);
  98         }
  99     }
 100 }