java/java-impl/src/com/intellij/refactoring/typeCook/deductive/PsiExtendedTypeVisitor.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   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.intellij.refactoring.typeCook.deductive;
  17
  18 import com.intellij.psi.PsiClassType;
  19 import com.intellij.psi.PsiType;
  20 import com.intellij.psi.PsiTypeVisitorEx;
  21
  22 /**
  23  * Created by IntelliJ IDEA.
  24  * User: db
  25  * Date: Dec 27, 2004
  26  * Time: 7:20:09 PM
  27  * To change this template use File | Settings | File Templates.
  28  */
  29 public abstract class PsiExtendedTypeVisitor <X> extends PsiTypeVisitorEx<X> {
  30   public X visitClassType(final PsiClassType classType) {
  31     super.visitClassType(classType);
  32     final PsiClassType.ClassResolveResult result = classType.resolveGenerics();
  33
  34     if (result.getElement() != null) {
  35       for (final PsiType type : result.getSubstitutor().getSubstitutionMap().values()) {
  36         if (type != null) {
  37           type.accept(this);
  38         }
  39       }
  40     }
  41
  42     return null;
  43   }
  44 }