| /* |
| * Copyright 2006 Sascha Weinreuter |
| * |
| * 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 org.intellij.plugins.intelliLang.util; |
| |
| import com.intellij.psi.PsiAnnotation; |
| import com.intellij.psi.PsiAnnotationMethod; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.util.PsiUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| enum InitializerRequirement { |
| NONE_REQUIRED, VALUE_REQUIRED, OTHER_REQUIRED; |
| |
| public static InitializerRequirement calcInitializerRequirement(@Nullable PsiClass psiClass) { |
| if (psiClass == null || !psiClass.isAnnotationType()) { |
| return NONE_REQUIRED; |
| } |
| |
| InitializerRequirement r = NONE_REQUIRED; |
| final PsiMethod[] methods = psiClass.getMethods(); |
| for (PsiMethod method : methods) { |
| if (PsiUtil.isAnnotationMethod(method)) { |
| final PsiAnnotationMethod annotationMethod = (PsiAnnotationMethod)method; |
| if (annotationMethod.getDefaultValue() == null) { |
| if (PsiAnnotation.DEFAULT_REFERENCED_METHOD_NAME.equals(annotationMethod.getName())) { |
| return VALUE_REQUIRED; |
| } |
| else { |
| r = OTHER_REQUIRED; |
| } |
| } |
| } |
| } |
| |
| return r; |
| } |
| } |