plugins/InspectionGadgets/src/com/siyeh/ig/initialization/AbstractMethodCallInConstructorInspection.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.initialization;
  17
  18 import com.intellij.psi.*;
  19 import com.intellij.psi.util.PsiTreeUtil;
  20 import com.siyeh.InspectionGadgetsBundle;
  21 import com.siyeh.ig.BaseInspection;
  22 import com.siyeh.ig.BaseInspectionVisitor;
  23 import org.jetbrains.annotations.NotNull;
  24
  25 public class AbstractMethodCallInConstructorInspection extends BaseInspection {
  26
  27     @NotNull
  28     public String getDisplayName() {
  29         return InspectionGadgetsBundle.message(
  30                 "abstract.method.call.in.constructor.display.name");
  31     }
  32
  33     @NotNull
  34     protected String buildErrorString(Object... infos) {
  35         return InspectionGadgetsBundle.message(
  36                 "abstract.method.call.in.constructor.problem.descriptor");
  37     }
  38
  39     public BaseInspectionVisitor buildVisitor(){
  40         return new AbstractMethodCallInConstructorVisitor();
  41     }
  42
  43     private static class AbstractMethodCallInConstructorVisitor
  44             extends BaseInspectionVisitor{
  45
  46         @Override public void visitMethodCallExpression(
  47                 @NotNull PsiMethodCallExpression call){
  48             super.visitMethodCallExpression(call);
  49             final PsiMethod method =
  50                     PsiTreeUtil.getParentOfType(call, PsiMethod.class);
  51             if(method == null){
  52                 return;
  53             }
  54             if(!method.isConstructor()){
  55                 return;
  56             }
  57             final PsiReferenceExpression methodExpression =
  58                     call.getMethodExpression();
  59             final PsiExpression qualifier =
  60                     methodExpression.getQualifierExpression();
  61             if (qualifier != null) {
  62                 if (!(qualifier instanceof PsiThisExpression) &&
  63                         !(qualifier instanceof PsiSuperExpression)) {
  64                     return;
  65                 }
  66             }
  67             final PsiMethod calledMethod =
  68                     (PsiMethod) methodExpression.resolve();
  69             if(calledMethod == null){
  70                 return;
  71             }
  72             if(calledMethod.isConstructor()){
  73                 return;
  74             }
  75             if(!calledMethod.hasModifierProperty(PsiModifier.ABSTRACT)){
  76                 return;
  77             }
  78             final PsiClass calledMethodClass =
  79                     calledMethod.getContainingClass();
  80             if(calledMethodClass == null){
  81                 return;
  82             }
  83             final PsiClass methodClass = method.getContainingClass();
  84             if(!calledMethodClass.equals(methodClass)){
  85                 return;
  86             }
  87             registerMethodCallError(call);
  88         }
  89     }
  90 }