01: /**
02: * Copyright (C) 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */package com.google.inject.util;
16:
17: import java.lang.annotation.Annotation;
18: import java.lang.annotation.Retention;
19: import java.lang.annotation.RetentionPolicy;
20:
21: /**
22: * Annotation utilities.
23: *
24: * @author crazybob@google.com (Bob Lee)
25: */
26: public class Annotations {
27:
28: /**
29: * Returns true if the given annotation is retained at runtime.
30: */
31: public static boolean isRetainedAtRuntime(
32: Class<? extends Annotation> annotationType) {
33: Retention retention = annotationType
34: .getAnnotation(Retention.class);
35: return !(retention == null || retention.value() != RetentionPolicy.RUNTIME);
36: }
37: }
|