private String[] findlatest(String[] onlysecuritym, File dir) {
    Hashtable list = new Hashtable();
    String filename;
    Vector parsed;
    Vector similarlist;
    String Key;
    if (onlysecuritym != null) {
      for (int i = 0; i < onlysecuritym.length; i++) {
        filename = onlysecuritym[i];
        parsed = MonitoringUtils.parseString(filename, '_');
        if (MonitoringUtils.debug > 0) {
          for (int z = 0; z < parsed.size(); z++) {
            System.out.println("parsed data is : " + z + "  ::  " + (String) parsed.elementAt(z));
          }
        }
        if (parsed.size() > 2) {
          Key = (String) parsed.elementAt(1);
          if (list.containsKey(Key)) {
            similarlist = (Vector) list.get(Key);
            similarlist.add(filename);
            list.put(Key, similarlist);
          } else {
            similarlist = new Vector();
            similarlist.add(filename);
            list.put(Key, similarlist);
          }
        } else {
          System.err.println("Error in parsing the log file name::" + filename);
        }
      }
    }
    Enumeration keylist = list.keys();
    String nodename;
    String latestfile = null;
    Date latestdate = null;
    Date tempdate;
    File completepath;
    parsed = new Vector();
    long ldate;
    for (; keylist.hasMoreElements(); ) {
      nodename = (String) keylist.nextElement();
      similarlist = (Vector) list.get(nodename);

      for (int i = 0; i < similarlist.size(); i++) {
        filename = (String) similarlist.elementAt(i);
        if (latestdate == null) {
          completepath = new File(dir, filename);
          ldate = completepath.lastModified();
          latestdate = new Date(ldate);
          latestfile = filename;
        } else {
          completepath = new File(dir, filename);
          ldate = completepath.lastModified();
          tempdate = new Date(ldate);
          if (tempdate.after(latestdate)) {
            latestdate = tempdate;
            latestfile = filename;
          }
          latestfile = filename;
        }
      }
      if (latestfile != null) parsed.add(latestfile);
      else System.err.println("Could not get latest file for ::" + nodename);
      latestdate = null;
      latestfile = null;
    }
    return MonitoringUtils.toStringArray(parsed);
  }