java/java-impl/src/com/intellij/codeInsight/generation/surroundWith/JavaWithTryFinallySurrounder.java

   1
   2 /*
   3  * Copyright 2000-2009 JetBrains s.r.o.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  * http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17 package com.intellij.codeInsight.generation.surroundWith;
  18
  19 import com.intellij.codeInsight.CodeInsightBundle;
  20 import com.intellij.openapi.editor.Editor;
  21 import com.intellij.openapi.project.Project;
  22 import com.intellij.openapi.util.TextRange;
  23 import com.intellij.psi.*;
  24 import com.intellij.psi.codeStyle.CodeStyleManager;
  25 import com.intellij.util.IncorrectOperationException;
  26 import org.jetbrains.annotations.NonNls;
  27
  28 class JavaWithTryFinallySurrounder extends JavaStatementsSurrounder{
  29   public String getTemplateDescription() {
  30     return CodeInsightBundle.message("surround.with.try.finally.template");
  31   }
  32
  33   public TextRange surroundStatements(Project project, Editor editor, PsiElement container, PsiElement[] statements) throws IncorrectOperationException{
  34     PsiManager manager = PsiManager.getInstance(project);
  35     PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
  36     CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(project);
  37
  38     statements = SurroundWithUtil.moveDeclarationsOut(container, statements, false);
  39     if (statements.length == 0){
  40       return null;
  41     }
  42
  43     @NonNls String text = "try{\n}finally{\n}";
  44     PsiTryStatement tryStatement = (PsiTryStatement)factory.createStatementFromText(text, null);
  45     tryStatement = (PsiTryStatement)codeStyleManager.reformat(tryStatement);
  46
  47     tryStatement = (PsiTryStatement)container.addAfter(tryStatement, statements[statements.length - 1]);
  48
  49     PsiCodeBlock tryBlock = tryStatement.getTryBlock();
  50     tryBlock.addRange(statements[0], statements[statements.length - 1]);
  51     container.deleteChildRange(statements[0], statements[statements.length - 1]);
  52
  53     PsiCodeBlock finallyBlock = tryStatement.getFinallyBlock();
  54     int offset = finallyBlock.getTextRange().getStartOffset() + 1;
  55     return new TextRange(offset, offset);
  56   }
  57 }