1 // ========================================================================
2 // Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.plus.annotation;
15
16 import java.lang.reflect.Method;
17 import java.lang.reflect.Modifier;
18
19 /**
20 * PostConstructCallback
21 *
22 *
23 */
24 public class PostConstructCallback extends LifeCycleCallback
25 {
26
27 /**
28 * Commons Annotation Specification section 2.5
29 * - no params
30 * - must be void return
31 * - no checked exceptions
32 * - cannot be static
33 * @see org.eclipse.jetty.plus.annotation.LifeCycleCallback#validate(java.lang.Class, java.lang.reflect.Method)
34 */
35 public void validate(Class clazz, Method method)
36 {
37 if (method.getExceptionTypes().length > 0)
38 throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not throw a checked exception");
39
40 if (!method.getReturnType().equals(Void.TYPE))
41 throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not have a return type");
42
43 if (Modifier.isStatic(method.getModifiers()))
44 throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot be static");
45 }
46
47
48 public void callback (Object instance)
49 throws Exception
50 {
51 super.callback(instance);
52 }
53
54 public boolean equals (Object o)
55 {
56 if (super.equals(o) && (o instanceof PostConstructCallback))
57 return true;
58 return false;
59 }
60 }