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1
46 package groovy.util;
47
48 import groovy.lang.GroovyObjectSupport;
49 import groovy.lang.GroovyRuntimeException;
50
51 import java.util.HashMap  ;
52 import java.util.Map ;
53 import java.io.IOException ;
54
55 import javax.management.Attribute ;
56 import javax.management.JMException ;
57 import javax.management.MBeanException ;
58 import javax.management.MBeanInfo ;
59 import javax.management.MBeanOperationInfo ;
60 import javax.management.MBeanParameterInfo ;
61 import javax.management.MBeanServer ;
62 import javax.management.ObjectName ;
63 import javax.management.MBeanServerConnection ;
64
65
66
76 public class GroovyMBean extends GroovyObjectSupport {
77
78 private MBeanServerConnection server;
79 private ObjectName name;
80 private MBeanInfo beanInfo;
81 private Map operations = new HashMap ();
82
83 public GroovyMBean(MBeanServerConnection server, ObjectName name) throws JMException , IOException {
84 this.server = server;
85 this.name = name;
86 this.beanInfo = server.getMBeanInfo(name);
87
88 MBeanOperationInfo [] operationInfos = beanInfo.getOperations();
89 for (int i = 0; i < operationInfos.length; i++ ) {
90 MBeanOperationInfo info = operationInfos[i];
91 operations.put(info.getName(), createSignature(info));
92 }
93 }
94
95 public MBeanServerConnection server() {
96 return server;
97 }
98
99 public ObjectName name() {
100 return name;
101 }
102
103 public MBeanInfo info() {
104 return beanInfo;
105 }
106
107 public Object getProperty(String property) {
108 try {
109 return server.getAttribute(name, property);
110 }
111 catch (MBeanException e) {
112 throw new GroovyRuntimeException("Could not access property: " + property + ". Reason: " + e, e.getTargetException());
113 }
114 catch (Exception e) {
115 throw new GroovyRuntimeException("Could not access property: " + property + ". Reason: " + e, e);
116 }
117 }
118
119 public void setProperty(String property, Object value) {
120 try {
121 server.setAttribute(name, new Attribute (property, value));
122 }
123 catch (MBeanException e) {
124 throw new GroovyRuntimeException("Could not set property: " + property + ". Reason: " + e, e.getTargetException());
125 }
126 catch (Exception e) {
127 throw new GroovyRuntimeException("Could not set property: " + property + ". Reason: " + e, e);
128 }
129 }
130
131 public Object invokeMethod(String method, Object arguments) {
132 String [] signature = (String []) operations.get(method);
133 if (signature != null) {
134 Object [] argArray = null;
135 if (arguments instanceof Object []) {
136 argArray = (Object []) arguments;
137 }
138 else {
139 argArray = new Object [] { arguments };
140 }
141 try {
142 return server.invoke(name, method, argArray, signature);
143 }
144 catch (MBeanException e) {
145 throw new GroovyRuntimeException("Could not invoke method: " + method + ". Reason: " + e, e.getTargetException());
146 }
147 catch (Exception e) {
148 throw new GroovyRuntimeException("Could not invoke method: " + method + ". Reason: " + e, e);
149 }
150 }
151 else {
152 return super.invokeMethod(method, arguments);
153 }
154 }
155
156 protected String [] createSignature(MBeanOperationInfo info) {
157 MBeanParameterInfo [] params = info.getSignature();
158 String [] answer = new String [params.length];
159 for (int i = 0; i < params.length; i++) {
160 answer[i] = params[i].getType();
161 }
162 return answer;
163 }
164 }
165 |
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