public String getDescription() 
{
    return "Thread Dump";
}

 public String getSource() 
{
    return "$URL: https://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.2/src/java/org/apache/solr/handler/admin/ThreadDumpHandler.java $";
}

 public String getSourceId() 
{
    return "$Id: ThreadDumpHandler.java 533815 2007-04-30 17:57:52Z ryan $";
}

 public String getVersion() 
{
      return "$Revision: 533815 $";
}

 public  void handleRequestBody(SolrQueryRequest req,
    SolrQueryResponse rsp) throws IOException 
{
    RequestHandlerUtils.addExperimentalFormatWarning( rsp );
    SimpleOrderedMap< Object > system = new SimpleOrderedMap< Object >();
    rsp.add( "system", system );
    ThreadMXBean tmbean = ManagementFactory.getThreadMXBean();
    // Thread Count
    SimpleOrderedMap< Object > nl = new SimpleOrderedMap< Object >();
    nl.add( "current",tmbean.getThreadCount() );
    nl.add( "peak", tmbean.getPeakThreadCount() );
    nl.add( "daemon", tmbean.getDaemonThreadCount() );
    system.add( "threadCount", nl );
    // Deadlocks
    ThreadInfo[] tinfos;
    long[] tids = tmbean.findMonitorDeadlockedThreads();
    if (tids != null) {
      tinfos = tmbean.getThreadInfo(tids, Integer.MAX_VALUE);
      NamedList< SimpleOrderedMap< Object > > lst = new NamedList< SimpleOrderedMap< Object > >();
      for (ThreadInfo ti : tinfos) {
        lst.add( "thread", getThreadInfo( ti, tmbean ) );
      }
      system.add( "deadlocks", lst );
    }
    // Now show all the threads....
    tids = tmbean.getAllThreadIds();
    tinfos = tmbean.getThreadInfo(tids, Integer.MAX_VALUE);
    NamedList< SimpleOrderedMap< Object > > lst = new NamedList< SimpleOrderedMap< Object > >();
    for (ThreadInfo ti : tinfos) {
      lst.add( "thread", getThreadInfo( ti, tmbean ) );
    }
    system.add( "threadDump", lst );
}