| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.refactoring.extractclass.usageInfo; |
| |
| import com.intellij.psi.*; |
| import com.intellij.refactoring.psi.MutationUtils; |
| import com.intellij.refactoring.util.FixableUsageInfo; |
| import com.intellij.util.IncorrectOperationException; |
| |
| public class ReplaceInstanceVariableAssignment extends FixableUsageInfo { |
| private final String setterName; |
| private final PsiAssignmentExpression assignment; |
| private final String getterName; |
| private final String delegateName; |
| private final String fieldName; |
| |
| public ReplaceInstanceVariableAssignment(PsiAssignmentExpression assignment, |
| String delegateName, |
| String setterName, |
| String getterName, String name) { |
| super(assignment); |
| this.assignment = assignment; |
| this.getterName = getterName; |
| this.setterName = setterName; |
| this.delegateName = delegateName; |
| fieldName = name; |
| } |
| |
| public void fixUsage() throws IncorrectOperationException { |
| final PsiReferenceExpression lhs = |
| (PsiReferenceExpression)assignment.getLExpression(); |
| final PsiExpression rhs = assignment.getRExpression(); |
| assert rhs != null; |
| final PsiElement qualifier = lhs.getQualifier(); |
| final PsiJavaToken sign = assignment.getOperationSign(); |
| final String operator = sign.getText(); |
| final String rhsText = rhs.getText(); |
| final String newExpression; |
| if (qualifier != null) { |
| final String qualifierText = qualifier.getText(); |
| if ("=".equals(operator)) { |
| newExpression = qualifierText + '.' + delegateName + '.' + callSetter(rhsText); |
| } |
| else { |
| final String strippedOperator = getStrippedOperator(operator); |
| newExpression = qualifierText + |
| '.' + |
| delegateName + |
| '.' + |
| callSetter( |
| qualifierText + |
| '.' + |
| delegateName + |
| '.' + |
| callGetter() + strippedOperator + rhsText); |
| } |
| } |
| else { |
| if ("=".equals(operator)) { |
| newExpression = delegateName + '.' + callSetter(rhsText); |
| } |
| else { |
| final String strippedOperator = getStrippedOperator(operator); |
| newExpression = delegateName + '.' + callSetter(delegateName + '.' + callGetter() + strippedOperator + rhsText); |
| } |
| } |
| MutationUtils.replaceExpression(newExpression, assignment); |
| } |
| |
| private String callSetter(String rhsText) { |
| return setterName != null ? setterName + "( " + rhsText + ")" : fieldName + "=" + rhsText; |
| } |
| |
| private String callGetter() { |
| return getterName != null ? getterName + "()" : fieldName; |
| } |
| |
| private static String getStrippedOperator(String operator) { |
| return operator.substring(0, operator.length() - 1); |
| } |
| } |