Annotations


1   /**
2    * Copyright (C) 2006 Google Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
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   */
16  
17  package com.google.inject.util;
18  
19  import java.lang.annotation.Annotation  ;
20  import java.lang.annotation.Retention  ;
21  import java.lang.annotation.RetentionPolicy  ;
22  
23  /**
24   * Annotation utilities.
25   *
26   * @author crazybob@google.com (Bob Lee)
27   */
28  public class Annotations {
29  
30    /**
31     * Returns true if the given annotation is retained at runtime.
32     */
33    public static boolean isRetainedAtRuntime(
34        Class  <? extends Annotation  > annotationType) {
35      Retention   retention = annotationType.getAnnotation(Retention  .class);
36      return !(retention == null || retention.value() != RetentionPolicy.RUNTIME);
37    }
38  }
39

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags