| /* |
| * 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.PsiElement; |
| import com.intellij.psi.PsiIfStatement; |
| import com.intellij.psi.PsiStatement; |
| import com.intellij.util.IncorrectOperationException; |
| |
| import java.util.List; |
| |
| public class JavaElseUnwrapper extends JavaElseUnwrapperBase { |
| public JavaElseUnwrapper() { |
| super(CodeInsightBundle.message("unwrap.else")); |
| } |
| |
| @Override |
| public PsiElement collectAffectedElements(PsiElement e, List<PsiElement> toExtract) { |
| super.collectAffectedElements(e, toExtract); |
| return findTopmostIfStatement(e); |
| } |
| |
| @Override |
| protected void unwrapElseBranch(PsiStatement branch, PsiElement parent, Context context) throws IncorrectOperationException { |
| // if we have 'else if' then we have to extract statements from the 'if' branch |
| if (branch instanceof PsiIfStatement) { |
| branch = ((PsiIfStatement)branch).getThenBranch(); |
| } |
| |
| parent = findTopmostIfStatement(parent); |
| |
| context.extractFromBlockOrSingleStatement(branch, parent); |
| context.delete(parent); |
| } |
| |
| private PsiElement findTopmostIfStatement(PsiElement parent) { |
| while (parent.getParent() instanceof PsiIfStatement) { |
| parent = parent.getParent(); |
| } |
| return parent; |
| } |
| } |