JMX dumper

gistfile1.scala

import scala.collection.JavaConversions._
import java.lang.management.{ManagementFactory, MemoryMXBean}
import java.net.URI
import javax.management.JMX
import javax.management.remote.{JMXConnectorFactory, JMXServiceURL}
import scala.collection.JavaConversions._

object JmxDump {

def main(args: Array[String]) = 
	if(args.size < 3) println(""" 
Usage:
[host] [JMX port] [command: names | items] [names filter] [attributes filter]

Example:
gp-dev.test.viaden.com 9010 items serviceaction mean
			""")
	else {
		val host = args(0)
		val port = args(1)
		val command = args(2)
		val filterNames = if(args.size >= 4) args(3).toLowerCase else ""
		val filterAttributes = if(args.size >= 5) args(4).toLowerCase else ""

		val jmxUrl = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://%s:%s/jmxrmi".format(host, port))
		val connection = JMXConnectorFactory.connect(jmxUrl, null).getMBeanServerConnection
		
		println("Successfully connected to %s:%s...".format(host, port))
		if(!filterNames.isEmpty) println("Filtering by name " + filterNames)
		if(!filterAttributes.isEmpty) println("Filtering by attribute " + filterAttributes)

		command match {
			case "names" => 
				connection.queryNames(null, null)
				.filter(name => if(filterNames.isEmpty) true 
					else name.toString.toLowerCase.indexOf(filterNames) >= 0)
				.foreach {
					beanName => println(beanName)
				}
			case "items" =>	
			    connection.queryNames(null, null)
			    .filter(name => if(filterNames.isEmpty) true 
			    	else name.toString.toLowerCase.indexOf(filterNames) >= 0)
			    .foreach(name => connection.getMBeanInfo(name).getAttributes
			    	.filter(name => if(filterAttributes.isEmpty) true 
			    		else name.toString.toLowerCase.indexOf(filterAttributes) >= 0)
			    	.foreach(attribute => println("jmx[%s][%s]".format(name, attribute.getName))))
		}

	}

}