platform/lang-api/src/com/intellij/refactoring/listeners/UndoRefactoringElementAdapter.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.refactoring.listeners;

import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public abstract class UndoRefactoringElementAdapter implements RefactoringElementListener, UndoRefactoringElementListener {
  @Override
  public final void elementMoved(@NotNull PsiElement newElement) {
    refactored(newElement, null);
  }

  @Override
  public final void elementRenamed(@NotNull PsiElement newElement) {
    refactored(newElement, null);
  }

  @Override
  public final void undoElementMovedOrRenamed(@NotNull PsiElement newElement, @NotNull String oldQualifiedName) {
    refactored(newElement, oldQualifiedName);
  }

  /**
   * oldQualifiedName not-null on undoElementMovedOrRenamed, otherwise null
   */
  protected abstract void refactored(@NotNull PsiElement element, @Nullable String oldQualifiedName);
}