gistfile1.txt

private boolean isDriverLoadedForURL(String url)
   {
      boolean trace = log.isTraceEnabled();

      ClassLoader tccl = Thread.currentThread().getContextClassLoader();
      try
      {
         Thread.currentThread().setContextClassLoader(getClassLoaderPlugin().getClassLoader());
         driver = DriverManager.getDriver(url);
         if (trace)
            log.trace("Driver already registered for url: " + url);
         return true;
      }
      catch (Exception e)
      {
         log.info("Driver not yet registered for url: " + url);
         if (trace)
            log.trace("Driver not yet registered for url: " + url);
         return false;
      }
      finally
      {
         Thread.currentThread().setContextClassLoader(tccl);
      }
   }