java/java-impl/src/com/intellij/codeInsight/generation/surroundWith/JavaWithNotInstanceofSurrounder.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.codeInsight.CodeInsightUtilBase;
  21 import com.intellij.openapi.editor.Editor;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.openapi.util.TextRange;
  24 import com.intellij.psi.*;
  25 import com.intellij.psi.codeStyle.CodeStyleManager;
  26 import com.intellij.util.IncorrectOperationException;
  27
  28 class JavaWithNotInstanceofSurrounder extends JavaExpressionSurrounder{
  29   public boolean isApplicable(PsiExpression expr) {
  30     PsiType type = expr.getType();
  31     if (type == null) return false;
  32     return !(type instanceof PsiPrimitiveType);
  33   }
  34
  35   public TextRange surroundExpression(Project project, Editor editor, PsiExpression expr) throws IncorrectOperationException {
  36     PsiManager manager = expr.getManager();
  37     PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
  38     CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(project);
  39
  40     PsiPrefixExpression prefixExpr = (PsiPrefixExpression)factory.createExpressionFromText("!(a instanceof Type)", null);
  41     prefixExpr = (PsiPrefixExpression)codeStyleManager.reformat(prefixExpr);
  42     PsiParenthesizedExpression parenthExpr = (PsiParenthesizedExpression)prefixExpr.getOperand();
  43     PsiInstanceOfExpression instanceofExpr = (PsiInstanceOfExpression)parenthExpr.getExpression();
  44     instanceofExpr.getOperand().replace(expr);
  45     prefixExpr = (PsiPrefixExpression)expr.replace(prefixExpr);
  46     parenthExpr = (PsiParenthesizedExpression)prefixExpr.getOperand();
  47     instanceofExpr = (PsiInstanceOfExpression)parenthExpr.getExpression();
  48     instanceofExpr = CodeInsightUtilBase.forcePsiPostprocessAndRestoreElement(instanceofExpr);
  49     TextRange range = instanceofExpr.getCheckType().getTextRange();
  50     editor.getDocument().deleteString(range.getStartOffset(), range.getEndOffset());
  51     return new TextRange(range.getStartOffset(), range.getStartOffset());
  52   }
  53
  54   public String getTemplateDescription() {
  55     return CodeInsightBundle.message("surround.with.not.instanceof.template");
  56   }
  57 }