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1 package net.sf.panoptes.component.jmx.jelly;
2
3 import javax.management.MalformedObjectNameException  ;
4 import javax.management.ObjectName ;
5 import javax.management.QueryExp ;
6
7 import net.sf.panoptes.model.node.NodeDescriber;
8 import net.sf.panoptes.component.jmx.model.MBeanWrapper;
9 import net.sf.panoptes.component.jmx.model.MBeanQuery;
10
11 import org.apache.commons.jelly.JellyTagException;
12 import org.apache.commons.jelly.MissingAttributeException;
13 import org.apache.commons.jelly.XMLOutput;
14 import org.apache.commons.logging.Log;
15 import org.apache.commons.logging.LogFactory;
16
17 public class MBeanQueryTag extends NodeTag {
18
19
20 private Log log = LogFactory.getLog(getClass());
21
22 private MBeanWrapper mbean;
23
24
25 private XMLOutput output;
26
27 private ObjectName objectName = null;
28 private QueryExp queryExp = null;
29 private String varName = null;
30
31 private boolean visible = true;
32
33 private String childFactoryClass = null;
34
35 private String childDescriberClassName = null;
36
37
40 public void doTag(XMLOutput output) throws JellyTagException {
41 super.doTag(output);
42
43 if (objectName == null) {
45 throw new MissingAttributeException("objectName");
46 }
47
48 MBeanQuery query = new MBeanQuery(getParentNode());
49 try {
50 if (childFactoryClass != null) query.setChildFactoryClass(Class.forName(childFactoryClass));
51 } catch (Exception e) {
52 throw new JellyTagException("Invalid child class: " + childFactoryClass, e);
53 }
54
55 try {
56 if (childDescriberClassName != null) query.setChildDescriber((NodeDescriber) Class.forName(childDescriberClassName).newInstance());
57 } catch (Exception e) {
58 throw new JellyTagException("Invalid child desciber class", e);
59 }
60
61 query.setQuery(objectName, queryExp);
62 doDefault(query);
63 if (visible) getParentNode().addChild(query);
64
65 if (varName != null) {
66 context.setVariable(varName, query);
67 }
68
69 this.output = output;
70 }
71
72 public void setObjectName(String objectNameString) throws MalformedObjectNameException {
73 objectName = new ObjectName (objectNameString);
74 }
75
76 public void setVisible(boolean visible) {
77 this.visible = visible;
78 }
79
80 public void setVar(String var) {
81 this.varName = var;
82 }
83
84 public void setChildFactory(String className) {
85 this.childFactoryClass = className;
86 }
87
88 public void setChildDescriberClass(String className) {
89 this.childDescriberClassName = className;
90 }
91
92 }
93 |
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