| /* |
| * Copyright (C) 2010 Google Inc. |
| * |
| * 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.google.inject.internal; |
| |
| import java.lang.annotation.Annotation; |
| |
| /** |
| * Whether a member supports null values injected. |
| * |
| * <p>Support for {@code Nullable} annotations in Guice is loose. Any annotation type whose |
| * simplename is "Nullable" is sufficient to indicate support for null values injected. |
| * |
| * <p>This allows support for JSR-305's <a |
| * href="http://groups.google.com/group/jsr-305/web/proposed-annotations"> |
| * javax.annotation.meta.Nullable</a> annotation and IntelliJ IDEA's <a |
| * href="http://www.jetbrains.com/idea/documentation/howto.html"> |
| * org.jetbrains.annotations.Nullable</a>. |
| * |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| public class Nullability { |
| private Nullability() {} |
| |
| public static boolean allowsNull(Annotation[] annotations) { |
| for (Annotation a : annotations) { |
| Class<? extends Annotation> type = a.annotationType(); |
| if ("Nullable".equals(type.getSimpleName())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |