code: @SuppressWarnings("rawtypes")
      private static void parseCommandLine(final PluginDefinition pluginDef, final Element xmlPluginElement) {
          Element commandLine = xmlPluginElement.element("command-line");
  
          if (commandLine != null) {
              // The plugin has a command line...
              Element options = commandLine.element("options");
  
              if (options == null) {
                  // The command line is empty...
                  return;
              }
  
              for (Iterator<Element> i = options.elementIterator(); i.hasNext();) {
                  pluginDef.addOption(parsePluginOption(i.next()));
              }
          }
      }
docs: Updates the plugin definition with the commandline read from the xml
  file.
  
  @param pluginDef
  The plugin definition to be updated
  @param xmlPluginElement
  the xml element to be parsed