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1   /**
2    * Copyright (c) 2008-2012, http://www.snakeyaml.org
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  package org.yaml.snakeyaml.generics;
17  
18  import java.beans.IntrospectionException;
19  import java.beans.Introspector;
20  import java.beans.PropertyDescriptor;
21  
22  /**
23   * @see http://bugs.sun.com/view_bug.do?bug_id=6528714
24   */
25  public class GenericsBugDetector {
26      /**
27       * Check whether the proper class Nest for Bird's property 'home' is
28       * recognized.
29       */
30      public static boolean isProperIntrospection() throws IntrospectionException {
31          for (PropertyDescriptor property : Introspector.getBeanInfo(Bird.class)
32                  .getPropertyDescriptors()) {
33              if (property.getName().equals("home")) {
34                  return property.getPropertyType() == Nest.class;
35              }
36          }
37          throw new RuntimeException("Bird must contain 'home' property.");
38      }
39  }