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1
22 package org.jboss.mx.capability;
23
24 import org.jboss.mx.metadata.AttributeOperationResolver;
25 import org.jboss.mx.metadata.MethodMapper;
26
27 import org.jboss.mx.server.ServerConstants;
28 import org.jboss.mx.util.PropertyAccess;
29
30 import javax.management.DynamicMBean  ;
31 import javax.management.IntrospectionException ;
32 import javax.management.MBeanAttributeInfo ;
33 import javax.management.MBeanInfo ;
34 import javax.management.MBeanOperationInfo ;
35 import javax.management.Descriptor ;
36 import javax.management.modelmbean.ModelMBeanAttributeInfo ;
37 import java.lang.reflect.Method ;
38
39
45 public class DispatcherFactory
46 implements ServerConstants
47 {
48
49
53 public static DynamicMBean create(MBeanInfo info, Object resource) throws IntrospectionException
54 {
55 return create(info, resource, new AttributeOperationResolver(info));
56 }
57
58
61 public static DynamicMBean create(MBeanInfo info, Object resource, AttributeOperationResolver resolver) throws IntrospectionException
62 {
63 if (null == info)
64 {
65 throw new IllegalArgumentException ("info cannot be null");
66 }
67
68 if (null == resolver)
69 {
70 throw new IllegalArgumentException ("resolver cannot be null");
71 }
72
73 if (null == resource)
74 {
75 throw new IllegalArgumentException ("resource cannot be null");
76 }
77
78 MethodMapper mmap = new MethodMapper(resource.getClass());
79 ReflectedMBeanDispatcher dispatcher = new ReflectedMBeanDispatcher(info, resolver, resource);
80
81 String flag = PropertyAccess.getProperty(OPTIMIZE_REFLECTED_DISPATCHER, "false");
82 if (flag.equalsIgnoreCase("true"))
83 {
84 dispatcher = OptimizedMBeanDispatcher.create(info, resource );
87 }
88
89 MBeanAttributeInfo [] attributes = info.getAttributes();
90 for (int i = 0; i < attributes.length; i++)
91 {
92 MBeanAttributeInfo attribute = attributes[i];
93 Method getter = null;
94 Method setter = null;
95
96 if (attribute.isReadable())
97 {
98 if (attribute instanceof ModelMBeanAttributeInfo )
99 {
100 ModelMBeanAttributeInfo mmbAttribute = (ModelMBeanAttributeInfo ) attribute;
101 Descriptor desc = mmbAttribute.getDescriptor();
102 if (desc != null && desc.getFieldValue("getMethod") != null)
103 {
104 getter = mmap.lookupGetter(mmbAttribute);
105 if (getter == null)
106 {
107 throw new IntrospectionException ("no getter method found for attribute: " + attribute.getName());
108 }
109 }
110 }
111 else
112 {
113 getter = mmap.lookupGetter(attribute);
114 if (getter == null)
115 {
116 throw new IntrospectionException ("no getter method found for attribute: " + attribute.getName());
117 }
118 }
119 }
120
121 if (attribute.isWritable())
122 {
123 if (attribute instanceof ModelMBeanAttributeInfo )
124 {
125 ModelMBeanAttributeInfo mmbAttribute = (ModelMBeanAttributeInfo ) attribute;
126 Descriptor desc = mmbAttribute.getDescriptor();
127 if (desc != null && desc.getFieldValue("setMethod") != null)
128 {
129 setter = mmap.lookupSetter(mmbAttribute);
130 if (setter == null)
131 {
132 throw new IntrospectionException ("no setter method found for attribute: " + attribute.getName());
133 }
134 }
135 }
136 else
137 {
138 setter = mmap.lookupSetter(attribute);
139 if (setter == null)
140 {
141 throw new IntrospectionException ("no setter method found for attribute: " + attribute.getName());
142 }
143 }
144 }
145
146 dispatcher.bindAttributeAt(i, getter, setter);
147 }
148
149 MBeanOperationInfo [] operations = info.getOperations();
150 for (int i = 0; i < operations.length; i++)
151 {
152 MBeanOperationInfo operation = operations[i];
153 Method method = mmap.lookupOperation(operation);
154 if (method == null)
155 {
156 throw new IntrospectionException ("no method found for operation: " + operation.getName()); }
158
159 dispatcher.bindOperationAt(i, method);
160 }
161
162 return dispatcher;
163 }
164 }
165 |
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