How to use

NDC

in

org.jboss.logging

  public Object processInvocation(final InterceptorContext context) throws Exception {
    final Map<String, Object> mdc = MDC.getMap();
    if(mdc != null){
      context.putPrivateData(KEY, new StoredLogDiagnosticContext(mdc, NDC.get()));
      try {
        return context.proceed();
      } finally {
        context.putPrivateData(KEY, null);
      }
    } else {
      return context.proceed();
    }
  }
}

  public Object processInvocation(final InterceptorContext context) throws Exception {
    final Map<String, Object> mdc = MDC.getMap();
    if (mdc != null) {
      for (String str : mdc.keySet()) {
        MDC.remove(str);
      }
    }
    final StoredLogDiagnosticContext data = (StoredLogDiagnosticContext) context.getPrivateData(KEY);
    context.putPrivateData(KEY, null);
    if (data != null && data.getMdc() != null) {
      for (Map.Entry<String, Object> entry : data.getMdc().entrySet()) {
        MDC.put(entry.getKey(), entry.getValue());
      }
      final int depth = NDC.getDepth();
      NDC.push(data.getNdc());
      try {
        return context.proceed();
      } finally {
        NDC.setMaxDepth(depth);
        for (String str : MDC.getMap().keySet()) {
          MDC.remove(str);
        }
      }
    }
    return context.proceed();
  }
}

private void addNDC() {
  String user = this.settings.getUserDN();
  UUID uuid = this.settings.getId();
  if (user != null && uuid != null) {
    NDC.push("[" + user + "] [" + uuid + "]");
  }
}

private void removeNDC() {
  NDC.pop();
}

 public String convert(LogRecord event)
 {
   switch (type)
   {
    case RELATIVE_TIME_CONVERTER:
      return (Long.toString(event.getMillis() - startTime));
    case THREAD_CONVERTER:
      StringBuffer tmp = new StringBuffer("tid(");
      tmp.append(event.getThreadID());
      tmp.append(')');
      return tmp.toString();
    case THREAD_NAME_CONVERTER:
      // @todo figure how to map the thread id to its name
      return "null";
    case LEVEL_CONVERTER:
      return event.getLevel().toString();
    case NDC_CONVERTER:
      // For now rely on the thread local
      return NDC.get();
    case MESSAGE_CONVERTER:
    {
      return event.getMessage();
    }
    default:
      return null;
   }
 }
}