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1   /**
2    *    Copyright 2009-2015 the original author or authors.
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.apache.ibatis.reflection;
17  
18  import org.apache.ibatis.reflection.factory.DefaultObjectFactory;
19  import org.apache.ibatis.reflection.factory.ObjectFactory;
20  import org.apache.ibatis.reflection.wrapper.DefaultObjectWrapperFactory;
21  import org.apache.ibatis.reflection.wrapper.ObjectWrapperFactory;
22  
23  /**
24   * @author Clinton Begin
25   */
26  public final class SystemMetaObject {
27  
28    public static final ObjectFactory DEFAULT_OBJECT_FACTORY = new DefaultObjectFactory();
29    public static final ObjectWrapperFactory DEFAULT_OBJECT_WRAPPER_FACTORY = new DefaultObjectWrapperFactory();
30    public static final MetaObject NULL_META_OBJECT = MetaObject.forObject(NullObject.class, DEFAULT_OBJECT_FACTORY, DEFAULT_OBJECT_WRAPPER_FACTORY, new DefaultReflectorFactory());
31  
32    private SystemMetaObject() {
33      // Prevent Instantiation of Static Class
34    }
35  
36    private static class NullObject {
37    }
38  
39    public static MetaObject forObject(Object object) {
40      return MetaObject.forObject(object, DEFAULT_OBJECT_FACTORY, DEFAULT_OBJECT_WRAPPER_FACTORY, new DefaultReflectorFactory());
41    }
42  
43  }