1 /*
2 * Copyright 2008-2019 by Emeric Vernat
3 *
4 * This file is part of Java Melody.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package net.bull.javamelody;
19
20 import java.lang.reflect.Method;
21
22 import org.springframework.aop.ClassFilter;
23 import org.springframework.aop.MethodMatcher;
24 import org.springframework.aop.Pointcut;
25
26 /**
27 * Pointcut that identifies methods/classes with the {@link MonitoredWithSpring} annotation.
28 *
29 * Inspired by Erik van Oosten (Java Simon, Licence LGPL)
30 * @author Emeric Vernat
31 */
32 public class MonitoredWithAnnotationPointcut implements Pointcut {
33 /**
34 * @return a class filter that lets all class through.
35 */
36 @Override
37 public ClassFilter getClassFilter() {
38 return ClassFilter.TRUE;
39 }
40
41 /**
42 * @return a method matcher that matches any method that has the {@link MonitoredWithSpring} annotation,
43 * or is in a class with the {@link MonitoredWithSpring} annotation
44 */
45 @Override
46 public MethodMatcher getMethodMatcher() {
47 return MonitoredMethodMatcher.INSTANCE;
48 }
49
50 private enum MonitoredMethodMatcher implements MethodMatcher {
51 INSTANCE;
52
53 /** {@inheritDoc} */
54 @Override
55 public boolean matches(Method method, Class<?> targetClass) {
56 return targetClass.isAnnotationPresent(MonitoredWithSpring.class)
57 || method.getDeclaringClass().isAnnotationPresent(MonitoredWithSpring.class)
58 || method.isAnnotationPresent(MonitoredWithSpring.class);
59 }
60
61 /** {@inheritDoc} */
62 @Override
63 public boolean isRuntime() {
64 return false;
65 }
66
67 /** {@inheritDoc} */
68 @Override
69 public boolean matches(Method method, Class<?> targetClass, Object... args) {
70 throw new UnsupportedOperationException("This is not a runtime method matcher");
71 }
72 }
73 }
74