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A packaging of the IntelliJ Community Edition java-impl library. This is release number 1 of trunk branch 142.

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/*
 * Copyright 2000-2009 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.codeInsight.unwrap;

import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.tree.java.PsiWhileStatementImpl;
import com.intellij.util.IncorrectOperationException;

public class JavaWhileUnwrapper extends JavaUnwrapper {
  public JavaWhileUnwrapper() {
    super(CodeInsightBundle.message("unwrap.while"));
  }

  @Override
  public boolean isApplicableTo(PsiElement e) {
    return e instanceof PsiWhileStatementImpl // Don't use "e instanceof PsiWhileStatement" because JspWhileStatement intanceof PsiWhileStatement,
                                              // but we doesn't support unwrap JspWhileStatement.
           || e instanceof PsiDoWhileStatement;
  }

  @Override
  protected void doUnwrap(PsiElement element, Context context) throws IncorrectOperationException {
    PsiStatement body = ((PsiLoopStatement)element).getBody();

    context.extractFromBlockOrSingleStatement(body, element);
    context.delete(element);
  }
}