private static void executeArgumentsGroup(CLIArgumentsGroup argumentsGroup) { /* load configuration file */ Configuration config = new BaseConfiguration(); if (argumentsGroup.getRepresentative().isConfig()) { try { config = new PropertiesConfiguration(argumentsGroup.getRepresentative().getConfig()); } catch (ConfigurationException e) { System.err.println("could not read config, ignoring it: "); System.err.println(e); } } /* run selected mode */ ProgramMode programMode = CLIArgumentsUtil.getProgramMode(argumentsGroup.getRepresentative()); switch (programMode) { case HELP: System.out.println( CliFactory.createCli(CLIArguments.class).getHelpMessage() + "\n\nFor more information, see " + GlobalValues.WIKI_URI); break; case VERSION: System.out.println("OSM2World " + VERSION_STRING); break; case GUI: try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { System.out.println("Error setting native look and feel: " + e); } new ViewerFrame(new Data(), new MessageManager(), new RenderOptions(), config) .setVisible(true); break; case CONVERT: try { Output.output(config, argumentsGroup); } catch (IOException e) { e.printStackTrace(); } break; } }