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1
8 package mx4j.tools.adaptor.http;
9
10 import java.io.IOException  ;
11 import javax.management.Attribute ;
12 import javax.management.JMException ;
13 import javax.management.MBeanAttributeInfo ;
14 import javax.management.MBeanInfo ;
15 import javax.management.MalformedObjectNameException ;
16 import javax.management.ObjectName ;
17
18 import org.w3c.dom.Document ;
19 import org.w3c.dom.Element ;
20
21
27 public class SetAttributeCommandProcessor extends HttpCommandProcessorAdaptor
28 {
29
30 public SetAttributeCommandProcessor()
31 {
32 }
33
34 public Document executeRequest(HttpInputStream in) throws IOException , JMException
35 {
36 Document document = builder.newDocument();
37
38 Element root = document.createElement("MBeanOperation");
39 document.appendChild(root);
40 Element operationElement = document.createElement("Operation");
41 operationElement.setAttribute("operation", "setattribute");
42 root.appendChild(operationElement);
43
44 String objectVariable = in.getVariable("objectname");
45 String attributeVariable = in.getVariable("attribute");
46 String valueVariable = in.getVariable("value");
47 if (objectVariable == null || objectVariable.equals("") ||
48 attributeVariable == null || attributeVariable.equals("") ||
49 valueVariable == null)
50 {
51 operationElement.setAttribute("result", "error");
52 operationElement.setAttribute("errorMsg", "Incorrect parameters in the request");
53 return document;
54 }
55 operationElement.setAttribute("objectname", objectVariable);
56 ObjectName name = null;
57 try
58 {
59 name = new ObjectName (objectVariable);
60 }
61 catch (MalformedObjectNameException e)
62 {
63 operationElement.setAttribute("result", "error");
64 operationElement.setAttribute("errorMsg", "Malformed object name");
65 return document;
66 }
67
68 if (server.isRegistered(name))
69 {
70 MBeanInfo info = server.getMBeanInfo(name);
71 MBeanAttributeInfo [] attributes = info.getAttributes();
72 MBeanAttributeInfo targetAttribute = null;
73 if (attributes != null)
74 {
75 for (int i = 0; i < attributes.length; i++)
76 {
77 if (attributes[i].getName().equals(attributeVariable))
78 {
79 targetAttribute = attributes[i];
80 break;
81 }
82 }
83 }
84 if (targetAttribute != null)
85 {
86 String type = targetAttribute.getType();
87 Object value = null;
88 if (valueVariable != null)
89 {
90 try
91 {
92 value = CommandProcessorUtil.createParameterValue(type, valueVariable);
93 }
94 catch (Exception e)
95 {
96 operationElement.setAttribute("result", "error");
97 operationElement.setAttribute("errorMsg", "Value: " + valueVariable + " could not be converted to " + type);
98 }
99 if (value != null)
100 {
101 try
102 {
103 server.setAttribute(name, new Attribute (attributeVariable, value));
104 operationElement.setAttribute("result", "success");
105 }
106 catch (Exception e)
107 {
108 operationElement.setAttribute("result", "error");
109 operationElement.setAttribute("errorMsg", e.getMessage());
110 }
111 }
112 }
113 }
114 else
115 {
116 operationElement.setAttribute("result", "error");
117 operationElement.setAttribute("errorMsg", "Attribute " + attributeVariable + " not found");
118 }
119 }
120 else
121 {
122 if (name != null)
123 {
124 operationElement.setAttribute("result", "error");
125 operationElement.setAttribute("errorMsg", "MBean " + name + " not registered");
126 }
127 }
128 return document;
129 }
130
131 }
132 |
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