JPSUtil.java

package com.performizeit.mjprof.plugins.dataSource;

import sun.jvmstat.monitor.*;

import java.net.URISyntaxException;
import java.util.Iterator;
import java.util.Set;

/**
 * Created by life on 2/11/14.
 */
public class JPSUtil {
  public static int lookupProcessId(String lookForMainClass) throws MonitorException, URISyntaxException {
    HostIdentifier hostId = new HostIdentifier("local://localhost");
    MonitoredHost monitoredHost =
      MonitoredHost.getMonitoredHost(hostId);

    // get the set active JVMs on the specified host.
    Set jvms = monitoredHost.activeVms();
    for (Object jvm : jvms) {
      int lvmid = (Integer) jvm;
      MonitoredVm vm = null;
      String vmidString = "//" + lvmid + "?mode=r";
      VmIdentifier id = new VmIdentifier(vmidString);
      vm = monitoredHost.getMonitoredVm(id, 0);
      String mainClass = MonitoredVmUtil.mainClass(vm,
        false);
      if (mainClass.equals(lookForMainClass)) return lvmid;
    }
    return -1;

  }
}