plugins/IntentionPowerPak/src/com/siyeh/ipp/parenthesis/RemoveUnnecessaryParenthesesIntention.java

   1 /*
   2  * Copyright 2003-2008 Dave Griffith, Bas Leijdekkers
   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.siyeh.ipp.parenthesis;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.PsiExpression;
  20 import com.intellij.util.IncorrectOperationException;
  21 import com.siyeh.ipp.base.Intention;
  22 import com.siyeh.ipp.base.PsiElementPredicate;
  23 import com.siyeh.ipp.psiutils.ParenthesesUtils;
  24 import org.jetbrains.annotations.NotNull;
  25
  26 public class RemoveUnnecessaryParenthesesIntention extends Intention {
  27
  28     @Override @NotNull
  29     public PsiElementPredicate getElementPredicate() {
  30         return new UnnecessaryParenthesesPredicate();
  31     }
  32
  33     @Override
  34     public void processIntention(@NotNull PsiElement element)
  35             throws IncorrectOperationException {
  36         PsiExpression expression = (PsiExpression)element;
  37         while (expression.getParent() instanceof PsiExpression) {
  38             expression = (PsiExpression)expression.getParent();
  39             assert expression != null;
  40         }
  41         ParenthesesUtils.removeParentheses(expression);
  42     }
  43 }