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16
17 package org.springframework.jmx.export.annotation;
18
19 import java.beans.PropertyDescriptor  ;
20 import java.lang.annotation.Annotation ;
21 import java.lang.reflect.Method ;
22
23 import org.springframework.beans.BeanUtils;
24 import org.springframework.beans.annotation.AnnotationBeanUtils;
25 import org.springframework.jmx.export.metadata.InvalidMetadataException;
26 import org.springframework.jmx.export.metadata.JmxAttributeSource;
27 import org.springframework.jmx.export.metadata.ManagedAttribute;
28 import org.springframework.jmx.export.metadata.ManagedNotification;
29 import org.springframework.jmx.export.metadata.ManagedOperation;
30 import org.springframework.jmx.export.metadata.ManagedOperationParameter;
31 import org.springframework.jmx.export.metadata.ManagedResource;
32 import org.springframework.core.annotation.AnnotationUtils;
33
34
50 public class AnnotationJmxAttributeSource implements JmxAttributeSource {
51
52 public ManagedResource getManagedResource(Class beanClass) throws InvalidMetadataException {
53 Annotation ann = beanClass.getAnnotation(org.springframework.jmx.export.annotation.ManagedResource.class);
54 if (ann == null) {
55 return null;
56 }
57 ManagedResource managedResource = new ManagedResource();
58 AnnotationBeanUtils.copyPropertiesToBean(ann, managedResource);
59 return managedResource;
60 }
61
62 public ManagedAttribute getManagedAttribute(Method method) throws InvalidMetadataException {
63 org.springframework.jmx.export.annotation.ManagedAttribute ann =
64 AnnotationUtils.getAnnotation(method, org.springframework.jmx.export.annotation.ManagedAttribute.class);
65 if (ann == null) {
66 return null;
67 }
68 ManagedAttribute managedAttribute = new ManagedAttribute();
69 AnnotationBeanUtils.copyPropertiesToBean(ann, managedAttribute, "defaultValue");
70 if (ann.defaultValue().length() > 0) {
71 managedAttribute.setDefaultValue(ann.defaultValue());
72 }
73 return managedAttribute;
74 }
75
76 public ManagedOperation getManagedOperation(Method method) throws InvalidMetadataException {
77 PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
78 if (pd != null) {
79 throw new InvalidMetadataException(
80 "The ManagedOperation attribute is not valid for JavaBean properties. Use ManagedAttribute instead.");
81 }
82
83 Annotation ann = AnnotationUtils.getAnnotation(method, org.springframework.jmx.export.annotation.ManagedOperation.class);
84 if (ann == null) {
85 return null;
86 }
87
88 ManagedOperation op = new ManagedOperation();
89 AnnotationBeanUtils.copyPropertiesToBean(ann, op);
90 return op;
91 }
92
93 public ManagedOperationParameter[] getManagedOperationParameters(Method method)
94 throws InvalidMetadataException {
95
96 ManagedOperationParameters params = AnnotationUtils.getAnnotation(method, ManagedOperationParameters.class);
97 ManagedOperationParameter[] result = null;
98 if (params == null) {
99 result = new ManagedOperationParameter[0];
100 }
101 else {
102 Annotation [] paramData = params.value();
103 result = new ManagedOperationParameter[paramData.length];
104 for (int i = 0; i < paramData.length; i++) {
105 Annotation annotation = paramData[i];
106 ManagedOperationParameter managedOperationParameter = new ManagedOperationParameter();
107 AnnotationBeanUtils.copyPropertiesToBean(annotation, managedOperationParameter);
108 result[i] = managedOperationParameter;
109 }
110 }
111 return result;
112 }
113
114 public ManagedNotification[] getManagedNotifications(Class clazz) throws InvalidMetadataException {
115 ManagedNotifications notificationsAnn = (ManagedNotifications) clazz.getAnnotation(ManagedNotifications.class);
116 if(notificationsAnn == null) {
117 return new ManagedNotification[0];
118 }
119 Annotation [] notifications = notificationsAnn.value();
120 ManagedNotification[] result = new ManagedNotification[notifications.length];
121 for (int i = 0; i < notifications.length; i++) {
122 Annotation notification = notifications[i];
123
124 ManagedNotification managedNotification = new ManagedNotification();
125 AnnotationBeanUtils.copyPropertiesToBean(notification, managedNotification);
126 result[i] = managedNotification;
127 }
128 return result;
129 }
130
131 }
132 |
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