| /** |
| * 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.apache.aries.cdi.extension.jaxrs; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.function.Predicate; |
| |
| import javax.enterprise.context.NormalScope; |
| import javax.enterprise.inject.spi.Annotated; |
| import javax.inject.Scope; |
| |
| public class Util { |
| |
| private static final Predicate<Annotation> isScope = annotation -> |
| annotation.annotationType().isAnnotationPresent(Scope.class) || |
| annotation.annotationType().isAnnotationPresent(NormalScope.class); |
| |
| public static Class<? extends Annotation> beanScope(Annotated annotated, Class<? extends Annotation> defaultValue) { |
| Class<? extends Annotation> scope = collect(annotated.getAnnotations()).stream().filter(isScope).map(Annotation::annotationType).findFirst().orElse(null); |
| |
| return (scope == null) ? defaultValue : scope; |
| } |
| |
| private static List<Annotation> collect(Collection<Annotation> annotations) { |
| List<Annotation> list = new ArrayList<>(); |
| for (Annotation a1 : annotations) { |
| if (a1.annotationType().getName().startsWith("java.lang.annotation.")) continue; |
| list.add(a1); |
| } |
| list.addAll(inherit(list)); |
| return list; |
| } |
| |
| private static List<Annotation> inherit(Collection<Annotation> annotations) { |
| List<Annotation> list = new ArrayList<>(); |
| for (Annotation a1 : annotations) { |
| for (Annotation a2 : collect(Arrays.asList(a1.annotationType().getAnnotations()))) { |
| if (list.contains(a2)) continue; |
| list.add(a2); |
| } |
| } |
| return list; |
| } |
| |
| } |