1 /*
2 * *************************************************************************************************************************************************************
3 *
4 * TheseFoolishThings: Miscellaneous utilities
5 * http://tidalwave.it/projects/thesefoolishthings
6 *
7 * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8 *
9 * *************************************************************************************************************************************************************
10 *
11 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18 *
19 * *************************************************************************************************************************************************************
20 *
21 * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22 * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23 *
24 * *************************************************************************************************************************************************************
25 */
26 package it.tidalwave.actor.impl;
27
28 import java.lang.annotation.Annotation;
29 import java.lang.reflect.InvocationTargetException;
30 import java.lang.reflect.Method;
31 import jakarta.annotation.Nonnull;
32 import java.util.List;
33 import it.tidalwave.messagebus.spi.ReflectionUtils;
34 import lombok.RequiredArgsConstructor;
35
36 /***************************************************************************************************************************************************************
37 *
38 * @author Fabrizio Giudici
39 *
40 **************************************************************************************************************************************************************/
41 @RequiredArgsConstructor
42 public class PreDestroyInvoker extends ReflectionUtils.MethodProcessorSupport
43 {
44 private static final List<String> PREDESTROY_CLASS_NAMES = List.of("javax.annotation.PreDestroy", "jakarta.annotation.PreDestroy");
45
46 @Nonnull
47 private final Object object;
48
49 @Override
50 public void process (@Nonnull final Method method)
51 {
52 final var classLoader = Thread.currentThread().getContextClassLoader();
53
54 for (final var className : PREDESTROY_CLASS_NAMES)
55 {
56 try
57 {
58 @SuppressWarnings("unchecked")
59 final var clazz = (Class<? extends Annotation>)classLoader.loadClass(className);
60
61 if (method.getAnnotation(clazz) != null)
62 {
63 try
64 {
65 method.invoke(object);
66 }
67 catch (IllegalAccessException | InvocationTargetException | IllegalArgumentException e)
68 {
69 throw new RuntimeException(e);
70 }
71 }
72 }
73 catch (ClassNotFoundException ignored)
74 {
75 // try next
76 }
77 }
78 }
79 }