lttng_ivc/apps/jul-2.0/App.java

   1 import java.io.IOException;
   2 import java.io.File;
   3 import java.util.logging.Logger;
   4 import java.util.logging.Handler;
   5 import java.util.logging.Level;
   6 import org.lttng.ust.agent.jul.LttngLogHandler;
   7
   8 public class App
   9 {
  10     private static final int answer = 42;
  11
  12     public static void main(String[] argv) throws Exception
  13     {
  14         int nrIter = Integer.parseInt(argv[0]);
  15         String sync_first_tp_hit_path = null;
  16         String sync_wait_before_last = null;
  17
  18         if (argv.length > 1) {
  19                 sync_first_tp_hit_path = argv[1];
  20         }
  21         if (argv.length > 2) {
  22                 sync_wait_before_last = argv[2];
  23         }
  24
  25         // Create a logger
  26         Logger logger = Logger.getLogger("jello");
  27         logger.setLevel(Level.INFO);
  28
  29         Handler lttngHandler = new LttngLogHandler();
  30
  31         logger.addHandler(lttngHandler);
  32
  33         for (int i=0; i < 0 || i < nrIter; i++) {
  34                 if ( i >= 0 && i == nrIter -1 && sync_wait_before_last != null) {
  35                         File f = new File(sync_wait_before_last);
  36                         while (!f.exists()) {
  37                                 Thread.sleep(1);
  38                         }
  39                 }
  40                 logger.info("logging the world");
  41                 logger.warning("some warning");
  42                 logger.severe("error!");
  43                 if (i == 0 && sync_first_tp_hit_path != null) {
  44                         File f = new File(sync_first_tp_hit_path);
  45                         f.createNewFile();
  46                 }
  47         }
  48
  49         // Not mandatory, but cleaner
  50         logger.removeHandler(lttngHandler);
  51         lttngHandler.close();
  52     }
  53 }