package org.catacomb.dataview;
   
   import org.catacomb.graph.gui.DataDisplay;
   import org.catacomb.report.E;
   
   
   public class Plotter {
   
   
      // not much here -= just testing vm exit
      public static void main(String[] argv) {
  
          DataDisplay.setBatch();
  
          // DataDisplay dd = new DataDisplay(100, 100);
  
  //      WorldCanvas wc = new WorldCanvas(100, 100);
  
          showThreads();
  
      }
  
  
  
  
      public static void showThreads() {
  
          // Find the root thread group
          ThreadGroup root = Thread.currentThread().getThreadGroup();
          while (root.getParent() != null) {
              root = root.getParent();
          }
  
          // Visit each thread group
          visit(root, 0);
  
      }
  
      // This method recursively visits all thread groups under `group'.
      public static void visit(ThreadGroup group, int level) {
          // Get threads in `group'
          int numThreads = group.activeCount();
          Thread[] threads = new Thread[numThreads*2];
          numThreads = group.enumerate(threads, false);
  
          // Enumerate each thread in `group'
          for (int i=0; i<numThreads; i++) {
              // Get thread
              Thread thread = threads[i];
              E.info("Thread: " + thread.isDaemon() + " " + thread);
          }
  
          // Get thread subgroups of `group'
          int numGroups = group.activeGroupCount();
          ThreadGroup[] groups = new ThreadGroup[numGroups*2];
          numGroups = group.enumerate(groups, false);
  
          // Recursively visit each subgroup
          for (int i=0; i<numGroups; i++) {
              visit(groups[i], level+1);
          }
      }
  
  }