java/java-impl/src/com/intellij/codeInsight/editorActions/smartEnter/CatchDeclarationFixer.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.codeInsight.editorActions.smartEnter;
  17
  18 import com.intellij.openapi.editor.Document;
  19 import com.intellij.openapi.editor.Editor;
  20 import com.intellij.psi.*;
  21 import com.intellij.util.IncorrectOperationException;
  22
  23 /**
  24  * Created by IntelliJ IDEA.
  25  * User: max
  26  * Date: Sep 5, 2003
  27  * Time: 5:32:01 PM
  28  * To change this template use Options | File Templates.
  29  */
  30 @SuppressWarnings({"HardCodedStringLiteral"})
  31 public class CatchDeclarationFixer implements Fixer {
  32   public void apply(Editor editor, JavaSmartEnterProcessor processor, PsiElement psiElement) throws IncorrectOperationException {
  33     if (psiElement instanceof PsiCatchSection) {
  34       final Document doc = editor.getDocument();
  35       final PsiCatchSection catchSection = (PsiCatchSection) psiElement;
  36
  37       final int catchStart = catchSection.getTextRange().getStartOffset();
  38       int stopOffset = doc.getLineEndOffset(doc.getLineNumber(catchStart));
  39
  40       final PsiCodeBlock catchBlock = catchSection.getCatchBlock();
  41       if (catchBlock != null) {
  42         stopOffset = Math.min(stopOffset, catchBlock.getTextRange().getStartOffset());
  43       }
  44       stopOffset = Math.min(stopOffset, catchSection.getTextRange().getEndOffset());
  45
  46       final PsiJavaToken lParenth = catchSection.getLParenth();
  47       if (lParenth == null) {
  48         doc.replaceString(catchStart, stopOffset, "catch ()");
  49         processor.registerUnresolvedError(catchStart + "catch (".length());
  50       } else {
  51         if (catchSection.getParameter() == null) {
  52           processor.registerUnresolvedError(lParenth.getTextRange().getEndOffset());
  53         }
  54         if (catchSection.getRParenth() == null) {
  55           doc.insertString(stopOffset, ")");
  56         }
  57       }
  58     }
  59   }
  60 }