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1
24 package org.objectweb.jalisto.se.jmx;
25
26 import javax.management.*;
27 import java.util.Iterator  ;
28
29 public abstract class JalistoAbstractDynamicMBean implements DynamicMBean {
30
31 public Object getAttribute(String attributeName)
32 throws AttributeNotFoundException, MBeanException, ReflectionException {
33
34 if (attributeName == null) {
35 throw new RuntimeOperationsException(
36 new IllegalArgumentException ("Attribute name cannot be null"),
37 "Cannot invoke a getter of " + this.getClass().getName() +
38 " with null attribute name");
39 }
40
41 return internalGetAttribute(attributeName);
42 }
43
44 public AttributeList getAttributes(String [] attributeNames) {
45 if (attributeNames == null) {
47 throw new RuntimeOperationsException(
48 new IllegalArgumentException ("attributeNames[] cannot be null"),
49 "Cannot invoke a getter of " + this.getClass().getName());
50 }
51 AttributeList resultList = new AttributeList();
52
53 if (attributeNames.length == 0)
55 return resultList;
56
57 for (int i = 0; i < attributeNames.length; i++) {
59 Object value = null;
60 try {
61 value = getAttribute(attributeNames[i]);
62 } catch (AttributeNotFoundException e) {
63 e.printStackTrace();
64 } catch (MBeanException e) {
65 e.printStackTrace();
66 } catch (ReflectionException e) {
67 e.printStackTrace();
68 }
69 resultList.add(new Attribute(attributeNames[i], value));
70 }
71 return (resultList);
72 }
73
74 public Object invoke(String operationName, Object [] params, String [] signature)
75 throws MBeanException, ReflectionException {
76
77 if (operationName == null) {
78 throw new RuntimeOperationsException(
79 new IllegalArgumentException ("Operation name cannot be null"),
80 "Cannot invoke a null operation in " + this.getClass().getName());
81 }
82
83 return internalInvoke(operationName, params, signature);
84 }
85
86 public void setAttribute(Attribute attribute) throws AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {
87 if (attribute == null) {
88 throw new RuntimeOperationsException(
89 new IllegalArgumentException ("Attribute cannot be null"),
90 "Cannot invoke a setter of " + this.getClass().getName() +
91 " with null attribute");
92 }
93
94 String name = attribute.getName();
95 Object value = attribute.getValue();
96
97 if (name == null) {
98 throw new RuntimeOperationsException(
99 new IllegalArgumentException (
100 "Attribute name cannot be null"),
101 "Cannot invoke the setter of " + this.getClass().getName() +
102 " with null attribute name");
103 }
104
105 if (!internalSetAttribute(name, value)) {
106 throw(new AttributeNotFoundException("Attribute " + name +
107 " not found in " + this.getClass().getName()));
108 }
109 }
110
111 public AttributeList setAttributes(AttributeList attributeList) {
112 if (attributeList == null) {
113 throw new RuntimeOperationsException(
114 new IllegalArgumentException ("AttributeList attributes cannot be null"),
115 "Cannot invoke a setter of " + this.getClass().getName());
116 }
117
118 AttributeList resultList = new AttributeList();
119
120 if (attributeList.isEmpty()) {
121 return resultList;
122 }
123
124 for (Iterator i = attributeList.iterator(); i.hasNext();) {
125 Attribute attr = (Attribute) i.next();
126 try {
127 setAttribute(attr);
128 String name = attr.getName();
129 Object value = getAttribute(name);
130 resultList.add(new Attribute(name, value));
131 } catch (Exception e) {
132 e.printStackTrace();
133 }
134 }
135 return resultList;
136 }
137
138 abstract public MBeanInfo getMBeanInfo();
139
140 abstract protected Object internalGetAttribute(String attributeName)
141 throws AttributeNotFoundException, MBeanException, ReflectionException;
142
143 abstract protected boolean internalSetAttribute(String name, Object value)
144 throws AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException;
145
146 abstract protected Object internalInvoke(String operationName, Object [] params, String [] signature)
147 throws MBeanException, ReflectionException;
148 }
149 |
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