1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
|
/*
* Copyright (c) 2007, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package nsk.monitoring.share.server;
import javax.management.*;
import javax.management.openmbean.CompositeData;
import java.lang.management.*;
import nsk.share.*;
import nsk.monitoring.share.*;
import java.lang.reflect.Method;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationTargetException;
public class ServerMXBean {
protected MBeanServer mbeanServer;
protected ObjectName objectName;
public ServerMXBean(MBeanServer mbeanServer, String name) {
this.mbeanServer = mbeanServer;
try {
this.objectName = new ObjectName(name);
} catch (Exception e) {
throw Monitoring.convertException(e);
}
}
public ServerMXBean(MBeanServer mbeanServer, ObjectName objectName) {
this.mbeanServer = mbeanServer;
this.objectName = objectName;
}
protected RuntimeException convertException(Exception e) {
//e.printStackTrace(logger.getOutStream());
return new Failure(e);
}
/**
* Retrieves the <code>int</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected int getIntAttribute(String name) {
try {
Integer i = (Integer) mbeanServer.getAttribute(objectName, name);
return i.intValue();
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>long</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected long getLongAttribute(String name) {
try {
Long l = (Long) mbeanServer.getAttribute(objectName, name);
return l.longValue();
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Sets the value of the specified <code>long</code> attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected void setLongAttribute(String name, long value) {
Attribute attribute = new Attribute(name, Long.valueOf(value));
try {
mbeanServer.setAttribute(objectName, attribute);
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Sets the <code>boolean</code> value to the specified attribute from
* MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
* @param value value of the attribute.
*/
protected void setBooleanAttribute(String name, boolean value) {
Attribute attribute = new Attribute(name, Boolean.valueOf(value));
try {
mbeanServer.setAttribute(objectName, attribute);
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>boolean</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected boolean getBooleanAttribute(String name) {
try {
Boolean b = (Boolean) mbeanServer.getAttribute(objectName, name);
return b.booleanValue();
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>String</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected String getStringAttribute(String name) {
try {
String s = (String) mbeanServer.getAttribute(objectName, name);
return s;
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>String</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected String[] getStringArrayAttribute(String name) {
try {
String[] s = (String[]) mbeanServer.getAttribute(objectName, name);
return s;
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>MemoryUsage</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected MemoryUsage getMemoryUsageAttribute(String name) {
try {
Object data = mbeanServer.getAttribute(objectName, name);
if (data instanceof MemoryUsage)
return (MemoryUsage) data;
return MemoryUsage.from((CompositeData) data);
} catch (Exception e) {
throw convertException(e);
}
}
/**
* Retrieves the <code>MemoryType</code> value of the specified attribute
* from MBeanServer.
*
* @param object MBean's <code>ObjectName</code>
* @param name name of the attribute.
*
* @return value of the attribute.
*/
protected MemoryType getMemoryTypeAttribute(String name) {
try {
Object data = mbeanServer.getAttribute(objectName, name);
return (MemoryType) data;
} catch (Exception e) {
throw convertException(e);
}
}
protected<T> T[] convertArray(Object o, Class<T[]> cl) {
if (cl.isInstance(o))
return (T[]) o;
else {
CompositeData[] data = (CompositeData[]) o;
Class<?> ccl = cl.getComponentType();
T[] t = (T[]) Array.newInstance(ccl, data.length);
for (int i = 0; i < t.length; ++i)
t[i] = (T) convertObject(data[i], ccl);
return t;
}
}
protected<T> T convertObject(Object o, Class<T> cl) {
if (cl.isInstance(o))
return (T) o;
else {
try {
Method method = cl.getMethod("from", CompositeData.class);
return (T) method.invoke(null, o);
} catch (NoSuchMethodException e) {
throw Monitoring.convertException(e);
} catch (IllegalAccessException e) {
throw Monitoring.convertException(e);
} catch (InvocationTargetException e) {
throw Monitoring.convertException(e);
}
}
}
protected void invokeVoidMethod(String name) {
invokeMethod(name, new Object[0], null);
}
protected Object invokeMethod(String name, Object[] params, String[] signature) {
try {
return mbeanServer.invoke(objectName, name, params, signature);
} catch (InstanceNotFoundException e) {
throw Monitoring.convertException(e);
} catch (MBeanException e) {
throw Monitoring.convertException(e);
} catch (ReflectionException e) {
throw Monitoring.convertException(e);
}
}
public ObjectName getObjectName() {
return null;
}
}
|
