| /* |
| * Copyright 2003-2014 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ipp.equality; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.tree.IElementType; |
| import com.siyeh.IntentionPowerPackBundle; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ig.psiutils.ParenthesesUtils; |
| import com.siyeh.ipp.base.MutablyNamedIntention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ReplaceEqualityWithEqualsIntention extends MutablyNamedIntention { |
| |
| @Override |
| protected String getTextForElement(PsiElement element) { |
| final PsiBinaryExpression binaryExpression = (PsiBinaryExpression)element; |
| final IElementType tokenType = binaryExpression.getOperationTokenType(); |
| if (JavaTokenType.NE.equals(tokenType)) { |
| return IntentionPowerPackBundle.message("replace.equality.with.not.equals.intention.name"); |
| } |
| else { |
| return IntentionPowerPackBundle.message("replace.equality.with.equals.intention.name"); |
| } |
| } |
| |
| @NotNull |
| public PsiElementPredicate getElementPredicate() { |
| return new ObjectEqualityPredicate(); |
| } |
| |
| public void processIntention(PsiElement element) { |
| final PsiBinaryExpression exp = (PsiBinaryExpression)element; |
| final PsiExpression lhs = exp.getLOperand(); |
| final PsiExpression rhs = exp.getROperand(); |
| if (rhs == null) { |
| return; |
| } |
| final PsiExpression strippedLhs = |
| ParenthesesUtils.stripParentheses(lhs); |
| if (strippedLhs == null) { |
| return; |
| } |
| final PsiExpression strippedRhs = |
| ParenthesesUtils.stripParentheses(rhs); |
| if (strippedRhs == null) { |
| return; |
| } |
| final IElementType tokenType = exp.getOperationTokenType(); |
| @NonNls final String expString; |
| if (tokenType.equals(JavaTokenType.EQEQ)) { |
| if (ParenthesesUtils.getPrecedence(strippedLhs) > |
| ParenthesesUtils.METHOD_CALL_PRECEDENCE) { |
| expString = '(' + strippedLhs.getText() + ").equals(" + |
| strippedRhs.getText() + ')'; |
| } |
| else { |
| expString = strippedLhs.getText() + ".equals(" + |
| strippedRhs.getText() + ')'; |
| } |
| } |
| else { |
| if (ParenthesesUtils.getPrecedence(strippedLhs) > |
| ParenthesesUtils.METHOD_CALL_PRECEDENCE) { |
| expString = "!(" + strippedLhs.getText() + ").equals(" + |
| strippedRhs.getText() + ')'; |
| } |
| else { |
| expString = '!' + strippedLhs.getText() + ".equals(" + |
| strippedRhs.getText() + ')'; |
| } |
| } |
| PsiReplacementUtil.replaceExpression(exp, expString); |
| } |
| } |