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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.introspector;
18  
19  import java.beans.PropertyDescriptor;
20  
21  import org.yaml.snakeyaml.error.YAMLException;
22  
23  public class MethodProperty extends GenericProperty {
24  
25      private final PropertyDescriptor property;
26      private final boolean readable;
27      private final boolean writable;
28  
29      public MethodProperty(PropertyDescriptor property) {
30          super(property.getName(), property.getPropertyType(),
31                  property.getReadMethod() == null ? null : property.getReadMethod()
32                          .getGenericReturnType());
33          this.property = property;
34          this.readable = property.getReadMethod() != null;
35          this.writable = property.getWriteMethod() != null;
36      }
37  
38      @Override
39      public void set(Object object, Object value) throws Exception {
40          property.getWriteMethod().invoke(object, value);
41      }
42  
43      @Override
44      public Object get(Object object) {
45          try {
46              property.getReadMethod().setAccessible(true);// issue 50
47              return property.getReadMethod().invoke(object);
48          } catch (Exception e) {
49              throw new YAMLException("Unable to find getter for property '" + property.getName()
50                      + "' on object " + object + ":" + e);
51          }
52      }
53  
54      @Override
55      public boolean isWritable() {
56          return writable;
57      }
58  
59      @Override
60      public boolean isReadable() {
61          return readable;
62      }
63  }