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1
23
24 package com.sun.enterprise.management.monitor;
25
26 import java.lang.reflect.Method  ;
27 import java.lang.reflect.InvocationTargetException ;
28
29 import javax.management.ObjectName ;
30 import javax.management.MBeanServer ;
31 import javax.management.Attribute ;
32 import javax.management.MBeanAttributeInfo ;
33 import javax.management.MBeanException ;
34 import javax.management.ReflectionException ;
35 import javax.management.AttributeNotFoundException ;
36 import javax.management.InvalidAttributeValueException ;
37 import javax.management.monitor.Monitor ;
38
39 import com.sun.appserv.management.base.XTypes;
40 import com.sun.appserv.management.base.AMX;
41 import com.sun.appserv.management.base.Util;
42 import com.sun.appserv.management.monitor.JMXMonitorMgr;
43
44 import com.sun.enterprise.management.support.AMXImplBase;
45 import com.sun.enterprise.management.support.Delegate;
46
47 import com.sun.appserv.management.util.misc.ClassUtil;
48 import com.sun.appserv.management.util.jmx.JMXUtil;
49
50
51
54 public class JMXMonitorBase extends AMXImplBase
55 {
57 final Monitor mMonitor;
58
59
64
65 protected
66 JMXMonitorBase( final Monitor mon )
67 {
68 mMonitor = mon;
69 }
70
71
72
73 public String
74 getGroup()
75 {
76 return( AMX.GROUP_UTILITY );
77 }
78
79
80 protected Object
81 getAttributeManually( String name )
82 throws AttributeNotFoundException
83 {
84 final MBeanAttributeInfo attrInfo = (MBeanAttributeInfo )getAttributeInfos().get( name );
85 assert( attrInfo != null );
87 final String prefix = attrInfo.isIs() ? JMXUtil.IS : JMXUtil.GET;
88 final String operationName = prefix + name;
89
90 Object result = null;
91 try
92 {
93 result = invokeManually( operationName, null, null );
94 }
95 catch( Exception e )
96 {
97 throw new AttributeNotFoundException ( name );
98 }
99
100 return( result );
101 }
102
103 protected void
104 setAttributeManually( final Attribute attr )
105 throws AttributeNotFoundException , InvalidAttributeValueException
106 {
107 final String operationName = JMXUtil.SET + attr.getName();
108 final MBeanAttributeInfo attrInfo = (MBeanAttributeInfo )getAttributeInfos().get( attr.getName() );
109
110 Object result = null;
111 try
112 {
113 final Object value = attr.getValue();
114 final Class theClass = ClassUtil.getClassFromName( attrInfo.getType() );
116
117 result = invokeSig( operationName,
118 new Object [] { value }, new Class [] { theClass } );
119 assert( result == null );
120 }
121 catch( Exception e )
122 {
123 throw new AttributeNotFoundException ( attr.getName() );
124 }
125 }
126
127 private Object
128 invokeSig(
129 String operationName,
130 Object [] args,
131 Class [] sig )
132 throws MBeanException , ReflectionException , NoSuchMethodException
133 {
134 Object result = null;
135
136 try
137 {
138 final Method m = mMonitor.getClass().getMethod( operationName, sig );
139
140 result = m.invoke( mMonitor, args );
141 }
142 catch( Exception e )
143 {
144 throw new RuntimeException ( e );
145 }
146
147 return( result );
148 }
149
150
151 protected Object
152 invokeManually(
153 String operationName,
154 Object [] args,
155 String [] types )
156 throws MBeanException , ReflectionException , NoSuchMethodException
157 {
158 Object result = null;
159
160 try
161 {
162 final Class [] sig = ClassUtil.signatureFromClassnames( types );
163
164 result = invokeSig( operationName, args, sig );
165 }
166 catch( Exception e )
167 {
168 e.printStackTrace();
169 throw new RuntimeException ( e );
170 }
171
172 return( result );
173 }
174
175 public void
176 preRegisterDone()
177 throws Exception
178 {
179 final ObjectName x = mMonitor.preRegister( getMBeanServer(), getObjectName() );
180 }
181
182 public void
183 postRegisterHook( Boolean registrationDone )
184 {
185 super.postRegisterHook( registrationDone );
186
187 mMonitor.postRegister( registrationDone );
188 }
189
190 public void
191 preDeregisterHook()
192 {
193 super.preDeregisterHook( );
194
195 try
196 {
197 mMonitor.preDeregister( );
198 }
199 catch( Exception e )
200 {
201 throw new RuntimeException ( e );
202 }
203 }
204
205 public void
206 postDeregisterHook()
207 {
208 super.postDeregisterHook( );
209
210 mMonitor.postDeregister( );
211 }
212
213
214
215 }
216
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