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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.invoker;
17  
18  import java.lang.reflect.InvocationTargetException;
19  import java.lang.reflect.Method;
20  
21  /**
22   * @author Clinton Begin
23   */
24  public class MethodInvoker implements Invoker {
25  
26    private Class<?> type;
27    private Method method;
28  
29    public MethodInvoker(Method method) {
30      this.method = method;
31  
32      if (method.getParameterTypes().length == 1) {
33        type = method.getParameterTypes()[0];
34      } else {
35        type = method.getReturnType();
36      }
37    }
38  
39    @Override
40    public Object invoke(Object target, Object[] args) throws IllegalAccessException, InvocationTargetException {
41      return method.invoke(target, args);
42    }
43  
44    @Override
45    public Class<?> getType() {
46      return type;
47    }
48  }