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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.plus.annotation;
20  
21  import java.lang.reflect.InvocationTargetException;
22  import java.lang.reflect.Method;
23  import java.lang.reflect.Modifier;
24  
25  /**
26   * PostConstructCallback
27   *
28   *
29   */
30  public class PostConstructCallback extends LifeCycleCallback
31  {
32  
33      /** 
34       * Commons Annotation Specification section 2.5
35       *  - no params
36       *  - must be void return 
37       *  - no checked exceptions
38       *  - cannot be static
39       * @see org.eclipse.jetty.plus.annotation.LifeCycleCallback#validate(java.lang.Class, java.lang.reflect.Method)
40       */
41      public void validate(Class<?> clazz, Method method)
42      {
43          if (method.getExceptionTypes().length > 0)
44              throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not throw a checked exception");
45          
46          if (!method.getReturnType().equals(Void.TYPE))
47              throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not have a return type");
48          
49          if (Modifier.isStatic(method.getModifiers()))
50              throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot be static");
51      }
52      
53      
54      public void callback (Object instance) 
55      throws SecurityException, IllegalArgumentException, NoSuchMethodException, ClassNotFoundException, IllegalAccessException, InvocationTargetException
56      {
57          super.callback(instance);
58      }
59  
60      public boolean equals (Object o)
61      {
62          if (super.equals(o) && (o instanceof PostConstructCallback))
63              return true;
64          return false;
65      }
66  }