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     @Override
  40     @NotNull
  41     public String getDisplayName() {
  42         return InspectionGadgetsBundle.message(
  43                 "non.protected.constructor.in.abstract.class.display.name");
  44     }
  45
  46     @Override
  47     @NotNull
  48     public String getID() {
  49         return "ConstructorNotProtectedInAbstractClass";
  50     }
  51
  52     @Override
  53     @NotNull
  54     protected String buildErrorString(Object... infos) {
  55         return InspectionGadgetsBundle.message(
  56                 "non.protected.constructor.in.abstract.class.problem.descriptor");
  57     }
  58
  59     @Override
  60     public JComponent createOptionsPanel() {
  61         return new SingleCheckboxOptionsPanel(
  62                 InspectionGadgetsBundle.message(
  63                         "non.protected.constructor.in.abstract.class.ignore.option"),
  64                 this, "m_ignoreNonPublicClasses");
  65     }
  66
  67     @Override
  68     public BaseInspectionVisitor buildVisitor() {
  69         return new NonProtectedConstructorInAbstractClassVisitor();
  70     }
  71
  72     @Override
  73     public InspectionGadgetsFix buildFix(Object... infos) {
  74         return new ChangeModifierFix(PsiModifier.PROTECTED);
  75     }
  76
  77     private class NonProtectedConstructorInAbstractClassVisitor
  78             extends BaseInspectionVisitor {
  79
  80         @Override public void visitMethod(@NotNull PsiMethod method) {
  81             //no call to super, so we don't drill into anonymous classes
  82             if (!method.isConstructor()) {
  83                 return;
  84             }
  85             if (method.hasModifierProperty(PsiModifier.PROTECTED)
  86                 || method.hasModifierProperty(PsiModifier.PRIVATE)
  87                     || method.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) {
  88                 return;
  89             }
  90             final PsiClass containingClass = method.getContainingClass();
  91             if (containingClass == null) {
  92                 return;
  93             }
  94             if (m_ignoreNonPublicClasses &&
  95                 !containingClass.hasModifierProperty(PsiModifier.PUBLIC)) {
  96                 return;
  97             }
  98             if (!containingClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
  99                 return;
 100             }
 101             if (containingClass.isEnum()) {
 102                 return;
 103             }
 104             registerMethodError(method);
 105         }
 106     }
 107 }