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1   /**
2    * Copyright (c) 2008-2011, 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  
17  package org.yaml.snakeyaml.generics;
18  
19  import java.beans.IntrospectionException;
20  import java.beans.Introspector;
21  import java.beans.PropertyDescriptor;
22  
23  /**
24   * @see http://bugs.sun.com/view_bug.do?bug_id=6528714
25   */
26  public class GenericsBugDetector {
27      /**
28       * Check whether the proper class Nest for Bird's property 'home' is
29       * recognized.
30       */
31      public static boolean isProperIntrospection() throws IntrospectionException {
32          for (PropertyDescriptor property : Introspector.getBeanInfo(Bird.class)
33                  .getPropertyDescriptors()) {
34              if (property.getName().equals("home")) {
35                  return property.getPropertyType() == Nest.class;
36              }
37          }
38          throw new RuntimeException("Bird must contain 'home' property.");
39      }
40  }