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1
22 package org.jboss.console.twiddle.command;
23
24 import java.io.PrintWriter  ;
25 import java.util.Date ;
26
27 import javax.management.MBeanAttributeInfo ;
28 import javax.management.MBeanConstructorInfo ;
29 import javax.management.MBeanInfo ;
30 import javax.management.MBeanNotificationInfo ;
31 import javax.management.MBeanOperationInfo ;
32 import javax.management.MBeanParameterInfo ;
33 import javax.management.ObjectName ;
34
35
45 public class XMBeanCommand extends MBeanServerCommand
46 {
47
50 public XMBeanCommand()
51 {
52 super("xmbean", "Print out mbean metadata as an xmbean descriptor");
53 }
54
55 public void displayHelp()
56 {
57 PrintWriter out = context.getWriter();
58
59 out.println(desc);
60 out.println();
61 out.println("Redirect the output and use it as a skeleton for");
62 out.println("writing an xmbean descriptor for an existing mbean.");
63 out.println();
64 out.println("Usage: " + name + " <object-name>");
65 out.println();
66
67 out.flush();
68 }
69
70 public void execute(String [] args) throws Exception
71 {
72 if (args.length != 1)
73 {
74 throw new CommandException("Missing object name");
75 }
76 ObjectName target = super.createObjectName(args[0]);
77
78 MBeanInfo mbeanInfo = getMBeanServer().getMBeanInfo(target);
79 MBeanConstructorInfo [] ctors = mbeanInfo.getConstructors();
80 MBeanAttributeInfo [] attrs = mbeanInfo.getAttributes();
81 MBeanOperationInfo [] ops = mbeanInfo.getOperations();
82 MBeanNotificationInfo [] notifs = mbeanInfo.getNotifications();
83
84 PrintWriter out = context.getWriter();
85
86 out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
88 out.println("<!DOCTYPE mbean PUBLIC");
89 out.println(" \"-//JBoss//DTD JBOSS XMBEAN 1.2//EN\"");
90 out.println(" \"http://www.jboss.org/j2ee/dtd/jboss_xmbean_1_2.dtd\">");
91 out.println("<!--");
92 out.println(" xmbean descriptor generated by 'twiddle'");
93 out.println(" on " + new Date ());
94 out.println(" for '" + target + "'");
95 out.println("-->");
96
97 out.println("<mbean>");
98
99 out.println(" <description>" + mbeanInfo.getDescription() + "</description>");
101 out.println(" <class>" + mbeanInfo.getClassName() + "</class>");
102 out.println();
103
104 if (ctors.length > 0)
106 {
107 for (int i = 0; i < ctors.length; i++)
108 {
109 MBeanConstructorInfo ctorInfo = ctors[i];
110 out.println(" <constructor>");
111 out.println(" <description>" + ctorInfo.getDescription() + "</description>");
112 out.println(" <name>" + ctorInfo.getName() + "</name>");
113 outputParameters(out, ctorInfo.getSignature());
114 out.println(" </constructor>");
115 }
116 out.println();
117 }
118
119 if (attrs.length > 0)
121 {
122 for (int i = 0; i < attrs.length; i++)
123 {
124 MBeanAttributeInfo attrInfo = attrs[i];
125
126 String access = "read-write";
128 access = attrInfo.isReadable() ? access : "write-only";
129 access = attrInfo.isWritable() ? access : "read-only";
130 String accessString = " access='" + access + "'";
131
132 String getMethodString = "";
134 if (attrInfo.isReadable())
135 {
136 getMethodString = " getMethod='" +
137 (attrInfo.isIs() ? "is" : "get") + attrInfo.getName() + "'";
138 }
139
140 String setMethodString = "";
142 if (attrInfo.isWritable())
143 {
144 setMethodString = " setMethod='set" + attrInfo.getName() + "'";
145
146 }
147
148 out.println(" <attribute" + accessString + getMethodString + setMethodString + ">");
149 out.println(" <description>" + attrInfo.getDescription() + "</description>");
150 out.println(" <name>" + attrInfo.getName() + "</name>");
151 out.println(" <type>" + attrInfo.getType() + "</type>");
152 out.println(" </attribute>");
153 }
154 out.println();
155 }
156
157 if (ops.length > 0)
159 {
160 for (int i = 0; i < ops.length; i++)
161 {
162 MBeanOperationInfo opInfo = ops[i];
163 out.println(" <operation>");
165 out.println(" <description>" + opInfo.getDescription() + "</description>");
166 out.println(" <name>" + opInfo.getName() + "</name>");
167 outputParameters(out, opInfo.getSignature());
168 out.println(" <return-type>" + opInfo.getReturnType() + "</return-type>");
169 out.println(" </operation>");
170 }
171 out.println();
172 }
173
174 if (notifs.length > 0)
176 {
177 for (int i = 0; i < notifs.length; i++)
178 {
179 MBeanNotificationInfo notifInfo = notifs[i];
180 String [] types = notifInfo.getNotifTypes();
181 out.println(" <notification>");
182 out.println(" <description>" + notifInfo.getDescription() + "</description>");
183 out.println(" <name>" + notifInfo.getName() + "</name>");
184 for (int j = 0; j < types.length; j++)
185 {
186 out.println(" <notification-type>" + types[j] + "</notification-type>");
187 }
188 out.println(" </notification>");
189 }
190 out.println();
191 }
192
193 out.println("</mbean>");
194
195 out.flush();
196 }
197
198 private void outputParameters(PrintWriter out, MBeanParameterInfo [] params)
199 {
200 for (int i = 0; i < params.length; i++)
201 {
202 MBeanParameterInfo paramInfo = params[i];
203 out.println(" <parameter>");
204 out.println(" <description>" + paramInfo.getDescription() + "</description>");
205 out.println(" <name>" + paramInfo.getName() + "</name>");
206 out.println(" <type>" + paramInfo.getType() + "</type>");
207 out.println(" </parameter>");
208 }
209 }
210 }
211 |
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