| /* |
| * Copyright 2000-2012 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.siyeh.ipp.decls; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| class ChangeVariableTypeToRhsTypePredicate implements PsiElementPredicate { |
| |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof PsiTypeElement)) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PsiVariable)) { |
| return false; |
| } |
| final PsiVariable variable = (PsiVariable)parent; |
| final PsiExpression initializer = variable.getInitializer(); |
| if (!(initializer instanceof PsiNewExpression)) { |
| return false; |
| } |
| final PsiType type = variable.getType(); |
| if (!(type instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiType initializerType = initializer.getType(); |
| if (!(initializerType instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiClassType initializerClassType = (PsiClassType)initializerType; |
| PsiClass initializerClass = initializerClassType.resolve(); |
| if (initializerClass instanceof PsiAnonymousClass) { |
| initializerClass = initializerClass.getSuperClass(); |
| } |
| if (initializerClass == null) { |
| return false; |
| } |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass variableClass = classType.resolve(); |
| if (variableClass == null) { |
| return false; |
| } |
| if (variableClass.equals(initializerClass)) { |
| return false; |
| } |
| if (!initializerClass.isInheritor(variableClass, true)) { |
| return false; |
| } |
| return true; |
| } |
| } |