| /* |
| * 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.openapi.diagnostic.Logger; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PropertyUtil; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.refactoring.psi.MutationUtils; |
| import com.intellij.refactoring.util.FixableUsageInfo; |
| import com.intellij.util.ArrayUtilRt; |
| import com.intellij.util.IncorrectOperationException; |
| |
| public class ReplaceStaticVariableAccess extends FixableUsageInfo { |
| private final PsiReferenceExpression expression; |
| private final String delegateClass; |
| private final boolean myEnumConstant; |
| private static final Logger LOGGER = Logger.getInstance("#" + ReplaceStaticVariableAccess.class.getName()); |
| |
| public ReplaceStaticVariableAccess(PsiReferenceExpression expression, String delegateClass, boolean enumConstant) { |
| super(expression); |
| this.expression = expression; |
| this.delegateClass = delegateClass; |
| myEnumConstant = enumConstant; |
| } |
| |
| public void fixUsage() throws IncorrectOperationException { |
| if (myEnumConstant) { |
| final PsiSwitchLabelStatement switchStatement = PsiTreeUtil.getParentOfType(expression, PsiSwitchLabelStatement.class); |
| if (switchStatement != null) { |
| MutationUtils.replaceExpression(expression.getReferenceName(), expression); |
| return; |
| } |
| } |
| final boolean replaceWithGetEnumValue = myEnumConstant && !alreadyMigratedToEnum(); |
| final String link = replaceWithGetEnumValue ? "." + PropertyUtil.suggestGetterName("value", expression.getType()) + "()" : ""; |
| MutationUtils.replaceExpression(delegateClass + '.' + expression.getReferenceName() + link, expression); |
| } |
| |
| private boolean alreadyMigratedToEnum() { |
| final PsiMethodCallExpression callExpression = PsiTreeUtil.getParentOfType(expression, PsiMethodCallExpression.class); |
| if (callExpression != null) { |
| final PsiElement resolved = callExpression.getMethodExpression().resolve(); |
| if (resolved instanceof PsiMethod) { |
| final PsiParameter[] parameters = ((PsiMethod)resolved).getParameterList().getParameters(); |
| final PsiExpression[] args = callExpression.getArgumentList().getExpressions(); |
| final int idx = ArrayUtilRt.find(args, expression); |
| if (idx != -1 && parameters[idx].getType().equalsToText(delegateClass)) { |
| return true; |
| } |
| } |
| } |
| else { |
| final PsiReturnStatement returnStatement = PsiTreeUtil.getParentOfType(expression, PsiReturnStatement.class); |
| if (returnStatement != null) { |
| final PsiMethod psiMethod = PsiTreeUtil.getParentOfType(expression, PsiMethod.class); |
| LOGGER.assertTrue(psiMethod != null); |
| final PsiType returnType = psiMethod.getReturnType(); |
| if (returnType != null && returnType.getCanonicalText().equals(delegateClass)) { |
| return true; |
| } |
| } else { |
| final PsiVariable psiVariable = PsiTreeUtil.getParentOfType(expression, PsiVariable.class); |
| if (psiVariable != null) { |
| if (psiVariable.getType().equalsToText(delegateClass)) { |
| return true; |
| } |
| } else { |
| final PsiAssignmentExpression assignmentExpression = PsiTreeUtil.getParentOfType(expression, PsiAssignmentExpression.class); |
| if (assignmentExpression != null && assignmentExpression.getRExpression() == expression) { |
| final PsiExpression lExpression = assignmentExpression.getLExpression(); |
| if (lExpression instanceof PsiReferenceExpression) { |
| final PsiElement resolve = ((PsiReferenceExpression)lExpression).resolve(); |
| if (resolve instanceof PsiVariable && ((PsiVariable)resolve).getType().equalsToText(delegateClass)) { |
| return true; |
| } |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| } |