java/java-impl/src/com/intellij/refactoring/rename/ClassHidesImportedClassUsageInfo.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.rename;
  17
  18 import com.intellij.psi.*;
  19 import com.intellij.util.IncorrectOperationException;
  20
  21 /**
  22  * @author dsl
  23  */
  24 public class ClassHidesImportedClassUsageInfo extends ResolvableCollisionUsageInfo {
  25   private final PsiClass myHiddenClass;
  26   private final PsiJavaCodeReferenceElement myCollisionReference;
  27
  28   public ClassHidesImportedClassUsageInfo(PsiJavaCodeReferenceElement collisionReference, PsiClass renamedClass, PsiClass hiddenClass) {
  29     super(collisionReference, renamedClass);
  30     myHiddenClass = hiddenClass;
  31     myCollisionReference = collisionReference;
  32   }
  33
  34   private boolean isResolvable() {
  35     return myHiddenClass.getQualifiedName() != null;
  36   }
  37
  38   public void resolveCollision() throws IncorrectOperationException {
  39     if (!myCollisionReference.isValid()) return;
  40     final PsiManager manager = myCollisionReference.getManager();
  41     final PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
  42
  43     if (!isResolvable()) return;
  44     final String qName = myHiddenClass.getQualifiedName();
  45     if (myCollisionReference instanceof PsiReferenceExpression) {
  46       myCollisionReference.replace(factory.createExpressionFromText(qName, myCollisionReference));
  47     } else {
  48       myCollisionReference.replace(factory.createFQClassNameReferenceElement(qName, myCollisionReference.getResolveScope()));
  49     }
  50   }
  51 }