plugins/InspectionGadgets/src/com/siyeh/ig/portability/UseOfSunClassesInspection.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.portability;
  17
  18 import com.intellij.psi.*;
  19 import com.siyeh.InspectionGadgetsBundle;
  20 import com.siyeh.ig.BaseInspection;
  21 import com.siyeh.ig.BaseInspectionVisitor;
  22 import org.jetbrains.annotations.NonNls;
  23 import org.jetbrains.annotations.NotNull;
  24
  25 public class UseOfSunClassesInspection extends BaseInspection {
  26
  27     @NotNull
  28     public String getDisplayName() {
  29         return InspectionGadgetsBundle.message("use.sun.classes.display.name");
  30     }
  31
  32     @NotNull
  33     public String buildErrorString(Object... infos) {
  34         return InspectionGadgetsBundle.message(
  35                 "use.sun.classes.problem.descriptor");
  36     }
  37
  38     public BaseInspectionVisitor buildVisitor() {
  39         return new UseOfSunClassesVisitor();
  40     }
  41
  42     private static class UseOfSunClassesVisitor
  43             extends BaseInspectionVisitor {
  44
  45         @Override public void visitVariable(@NotNull PsiVariable variable) {
  46             super.visitVariable(variable);
  47             final PsiType type = variable.getType();
  48             final PsiType deepComponentType = type.getDeepComponentType();
  49             if(!(deepComponentType instanceof PsiClassType)) {
  50                 return;
  51             }
  52             final PsiClassType classType = (PsiClassType) deepComponentType;
  53             @NonNls final String className = classType.getCanonicalText();
  54             if(className == null || !className.startsWith("sun.")) {
  55                 return;
  56             }
  57             final PsiTypeElement typeElement = variable.getTypeElement();
  58             if (typeElement == null) {
  59                 return;
  60             }
  61             registerError(typeElement);
  62         }
  63
  64         @Override public void visitNewExpression(
  65                 @NotNull PsiNewExpression newExpression) {
  66             super.visitNewExpression(newExpression);
  67             final PsiType type = newExpression.getType();
  68             if (type == null) {
  69                 return;
  70             }
  71             if(!(type instanceof PsiClassType)) {
  72                 return;
  73             }
  74             final PsiClassType classType = (PsiClassType) type;
  75             @NonNls final String className = classType.getCanonicalText();
  76             if (className==null || !className.startsWith("sun.")) {
  77                 return;
  78             }
  79             registerNewExpressionError(newExpression);
  80         }
  81     }
  82 }