java/java-impl/src/com/intellij/refactoring/util/duplicates/ReturnStatementReturnValue.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.util.duplicates;
  17
  18 import com.intellij.psi.*;
  19 import com.intellij.psi.codeStyle.CodeStyleManager;
  20 import com.intellij.util.IncorrectOperationException;
  21
  22 /**
  23  * @author dsl
  24  */
  25 public class ReturnStatementReturnValue implements ReturnValue {
  26   public static final ReturnStatementReturnValue INSTANCE = new ReturnStatementReturnValue();
  27
  28   private ReturnStatementReturnValue() {}
  29
  30   public boolean isEquivalent(ReturnValue other) {
  31     return other instanceof ReturnStatementReturnValue;
  32   }
  33
  34   public PsiStatement createReplacement(final PsiMethod extractedMethod, final PsiMethodCallExpression methodCallExpression) throws IncorrectOperationException {
  35     final PsiElementFactory elementFactory = JavaPsiFacade.getInstance(methodCallExpression.getProject()).getElementFactory();
  36     final CodeStyleManager styleManager = CodeStyleManager.getInstance(methodCallExpression.getProject());
  37     PsiReturnStatement returnStatement = (PsiReturnStatement)elementFactory.createStatementFromText("return x;", null);
  38     returnStatement = (PsiReturnStatement) styleManager.reformat(returnStatement);
  39     returnStatement.getReturnValue().replace(methodCallExpression);
  40     return returnStatement;
  41   }
  42 }