| /* |
| * Copyright 2009-2013 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.adapter; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NonNls; |
| |
| class AdapterToListenerPredicate implements PsiElementPredicate { |
| |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof PsiJavaCodeReferenceElement)) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PsiReferenceList)) { |
| return false; |
| } |
| final PsiReferenceList referenceList = (PsiReferenceList)parent; |
| if (PsiReferenceList.Role.EXTENDS_LIST != referenceList.getRole()) { |
| return false; |
| } |
| final PsiElement grandParent = referenceList.getParent(); |
| if (!(grandParent instanceof PsiClass)) { |
| return false; |
| } |
| final PsiJavaCodeReferenceElement[] referenceElements = |
| referenceList.getReferenceElements(); |
| if (referenceElements.length != 1) { |
| return false; |
| } |
| final PsiJavaCodeReferenceElement referenceElement = |
| referenceElements[0]; |
| final PsiElement target = referenceElement.resolve(); |
| if (!(target instanceof PsiClass)) { |
| return false; |
| } |
| final PsiClass aClass = (PsiClass)target; |
| @NonNls final String className = aClass.getName(); |
| if (!className.endsWith("Adapter")) { |
| return false; |
| } |
| if (!aClass.hasModifierProperty(PsiModifier.ABSTRACT)) { |
| return false; |
| } |
| final PsiReferenceList implementsList = aClass.getImplementsList(); |
| if (implementsList == null) { |
| return false; |
| } |
| final PsiJavaCodeReferenceElement[] implementsReferences = implementsList.getReferenceElements(); |
| for (PsiJavaCodeReferenceElement implementsReference : implementsReferences) { |
| @NonNls final String name = implementsReference.getReferenceName(); |
| if (name == null || !name.endsWith("Listener")) { |
| continue; |
| } |
| final PsiElement implementsTarget = implementsReference.resolve(); |
| if (!(implementsTarget instanceof PsiClass)) { |
| continue; |
| } |
| final PsiClass implementsClass = (PsiClass)implementsTarget; |
| if (!implementsClass.isInterface()) { |
| continue; |
| } |
| return true; |
| } |
| return false; |
| } |
| } |