java/java-impl/src/com/intellij/refactoring/inheritanceToDelegation/InnerClassConstructor.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.inheritanceToDelegation;
  17
  18 import com.intellij.openapi.diagnostic.Logger;
  19 import com.intellij.psi.*;
  20 import com.intellij.util.IncorrectOperationException;
  21
  22 /**
  23  * @author dsl
  24  */
  25 public class InnerClassConstructor extends InnerClassMethod {
  26   private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.inheritanceToDelegation.InnerClassConstructor");
  27   public InnerClassConstructor(PsiMethod method) {
  28     super(method);
  29     LOG.assertTrue(method.isConstructor());
  30   }
  31
  32   public void createMethod(PsiClass innerClass) throws IncorrectOperationException {
  33     final PsiElementFactory factory = JavaPsiFacade.getInstance(innerClass.getProject()).getElementFactory();
  34     final PsiMethod constructor = factory.createConstructor();
  35     constructor.getNameIdentifier().replace(innerClass.getNameIdentifier());
  36     final PsiParameterList parameterList = myMethod.getParameterList();
  37     constructor.getParameterList().replace(parameterList);
  38     PsiExpressionStatement superCallStatement =
  39             (PsiExpressionStatement) factory.createStatementFromText("super();", null);
  40
  41     PsiExpressionList arguments = ((PsiMethodCallExpression) superCallStatement.getExpression()).getArgumentList();
  42     PsiParameter[] parameters = parameterList.getParameters();
  43     for (int i = 0; i < parameters.length; i++) {
  44       arguments.add(factory.createExpressionFromText(parameters[i].getName(), null));
  45     }
  46     constructor.getBody().add(superCallStatement);
  47     innerClass.add(constructor);
  48   }
  49 }