/*
* Licensed under the GPL License. You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package com.googlecode.psiprobe.beans;
import com.googlecode.psiprobe.model.jmx.RuntimeInformation;
import com.googlecode.psiprobe.tools.JmxTools;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.modeler.Registry;
public class RuntimeInfoAccessorBean {
private Log logger = LogFactory.getLog(RuntimeInfoAccessorBean.class);
public RuntimeInformation getRuntimeInformation() throws Exception {
MBeanServer mBeanServer = new Registry().getMBeanServer();
RuntimeInformation ri = new RuntimeInformation();
try {
ObjectName runtimeOName = new ObjectName("java.lang:type=Runtime");
ri.setStartTime(JmxTools.getLongAttr(mBeanServer, runtimeOName, "StartTime"));
ri.setUptime(JmxTools.getLongAttr(mBeanServer, runtimeOName, "Uptime"));
ri.setVmVendor(JmxTools.getStringAttr(mBeanServer,runtimeOName,"VmVendor"));
ObjectName osOName = new ObjectName("java.lang:type=OperatingSystem");
ri.setOsName(JmxTools.getStringAttr(mBeanServer, osOName, "Name"));
ri.setOsVersion(JmxTools.getStringAttr(mBeanServer, osOName, "Version"));
if(!ri.getVmVendor().startsWith("IBM Corporation")){
ri.setTotalPhysicalMemorySize(JmxTools.getLongAttr(mBeanServer, osOName, "TotalPhysicalMemorySize"));
ri.setCommittedVirtualMemorySize(JmxTools.getLongAttr(mBeanServer, osOName, "CommittedVirtualMemorySize"));
ri.setFreePhysicalMemorySize(JmxTools.getLongAttr(mBeanServer, osOName, "FreePhysicalMemorySize"));
ri.setFreeSwapSpaceSize(JmxTools.getLongAttr(mBeanServer, osOName, "FreeSwapSpaceSize"));
ri.setTotalSwapSpaceSize(JmxTools.getLongAttr(mBeanServer, osOName, "TotalSwapSpaceSize"));
ri.setProcessCpuTime(JmxTools.getLongAttr(mBeanServer, osOName, "ProcessCpuTime"));
} else {
ri.setTotalPhysicalMemorySize(JmxTools.getLongAttr(mBeanServer, osOName, "TotalPhysicalMemory"));
}
return ri;
} catch (Exception e) {
logger.debug("OS information is unavailable");
return null;
}
}
}