code: private static void printHelp(final IPluginRepository pr, final String pluginName) {
          try {
              PluginProxy pp = (PluginProxy) pr.getPlugin(pluginName);
  
              // CPluginProxy pp =
              // CPluginFactory.getInstance().getPlugin(sPluginName);
              if (pp == null) {
                  System.out.println("Plugin " + pluginName + " does not exists.");
              } else {
                  pp.printHelp();
              }
          } catch (Exception e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
          }
          System.exit(0);
      }
docs: Prints the help about a plugin.
  
  @param pr
  The plugin repository
  @param pluginName
  The plugin name