<%@page import="java.lang.management.*"%>
<%@page import="java.util.*"%>
<%@page import="javax.management.*"%>
<%@page import="javax.management.openmbean.CompositeData"%>
<%@page import="javax.management.openmbean.TabularData"%>
<%!
public String convert(Object value) {
if (value == null) {
return "null";
}
if (value instanceof CompositeData) {
return convertCompositeData(value);
}
if (value instanceof TabularData) {
return convertTabularData(value);
}
if (value.getClass().isArray()) {
if (value instanceof boolean[]) {
return Arrays.toString((boolean[]) value);
} else if (value instanceof char[]) {
return Arrays.toString((char[]) value);
} else if (value instanceof byte[]) {
return Arrays.toString((byte[]) value);
} else if (value instanceof short[]) {
return Arrays.toString((short[]) value);
} else if (value instanceof int[]) {
return Arrays.toString((int[]) value);
} else if (value instanceof long[]) {
return Arrays.toString((long[]) value);
} else if (value instanceof float[]) {
return Arrays.toString((float[]) value);
} else if (value instanceof double[]) {
return Arrays.toString((double[]) value);
} else {
StringBuffer buff = new StringBuffer();
for (Object object : (Object[]) value) {
buff.append(convert(object))
.append("<br>");
}
return buff.toString();
}
}
if (value instanceof Collection) {
StringBuffer buff = new StringBuffer();
for (Object object : (Collection) value) {
buff.append(convert(object))
.append("<br>");
}
return buff.toString();
}
return value.toString();
}
public String convertCompositeData(Object value) {
CompositeData compositeData = (CompositeData) value;
StringBuffer buff = new StringBuffer();
for (String key : compositeData.getCompositeType().keySet()) {
buff.append(key)
.append("=")
.append(convert(compositeData.get(key)))
.append("<br>");
}
return buff.toString();
}
public String convertTabularData(Object value) {
TabularData tabularData = (TabularData) value;
StringBuffer buff = new StringBuffer();
for (Object object : tabularData.values()) {
buff.append(convert(object));
}
return buff.toString();
}
public String getAttributeValue(ObjectName objectName, String attributeName)
throws Exception {
try {
Object value = ManagementFactory.getPlatformMBeanServer()
.getAttribute(objectName, attributeName);
return convert(value);
} catch (Exception ex) {
return ex.toString();
}
}
%>
<html>
<head>
<meta charset="utf-8">
<title>jmx</title>
<style>
tbody tr:nth-child(odd) td,
tbody tr:nth-child(odd) th {
background-color: #f9f9f9;
}
</style>
</head>
<body>
<%
MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
String type = request.getParameter("type");
if ("view".equals(type)) {
String objectNameString = request.getParameter("objectNameString");
ObjectName objectName = ObjectName.getInstance(objectNameString);
MBeanInfo mBeanInfo = mBeanServer.getMBeanInfo(objectName);
out.println(objectName + "<br>");
out.println(mBeanInfo.getClassName() + "<br>");
out.println(mBeanInfo.getDescription() + "<br>");
out.println("<hr>");
out.println("<table border='1'>");
out.println("<thead>");
out.println("<tr>");
out.println("<th>name</th>");
out.println("<th>value</th>");
out.println("</tr>");
out.println("</thead>");
out.println("<tbody>");
for (MBeanAttributeInfo attr : mBeanInfo.getAttributes()) {
out.println("<tr>");
out.println("<td>" + attr.getName() + "</td>");
out.println("<td>" + getAttributeValue(objectName, attr.getName()) + "</td>");
out.println("</tr>");
}
out.println("</tbody>");
out.println("</table>");
/*
<hr>
<table border="1">
<tr>
<th>name</th>
<th>value</th>
</tr>
<#list action.MBeanInfo.attributes as attr>
<tr>
<td>${attr.name}</td><td>${action.getAttributeValue(action.objectName, attr.name)}</td>
</tr>
</#list>
</table>
*/
} else {
Set<ObjectName> names = mBeanServer.queryNames(null, null);
Map<String, List<ObjectName>> objectNameMap = new HashMap<String, List<ObjectName>>();
for (ObjectName objectName : names) {
String domain = objectName.getDomain();
List<ObjectName> list = objectNameMap.get(domain);
if (list == null) {
list = new ArrayList<ObjectName>();
objectNameMap.put(domain, list);
}
list.add(objectName);
}
for (Map.Entry<String, List<ObjectName>> entry : objectNameMap.entrySet()) {
out.println("<p>");
out.println(entry.getKey() + "<br>");
out.println("<ul>");
for (ObjectName objectName : entry.getValue()) {
out.println("<li><a href='jmx.jsp?type=view&objectNameString=" + objectName + "'>");
out.println(objectName);
out.println("</a></li>");
}
out.println("</ul>");
out.println("</p>");
}
}
%>
</body>
</html>
