source: src/main/java/genius/cli/Runner.java@ 22

package genius.cli;

import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;

import javax.xml.bind.JAXBException;

import genius.AgentsInstaller;
import genius.ProtocolsInstaller;
import genius.core.config.MultilateralTournamentConfiguration;
import genius.core.config.MultilateralTournamentsConfiguration;
import genius.core.exceptions.InstantiateException;
import genius.core.session.TournamentManager;
import genius.domains.DomainInstaller;
import genius.gui.About;
import genius.gui.negosession.MultiPartyDataModel;
import genius.gui.progress.MultipartyNegoEventLogger;

/**
 * Genius console entry point for running a
 * {@link MultilateralTournamentsConfiguration}.
 * <p>
 * Use this entry point to run genius negotiations from an xml file.
 * multilateraltournament.xml contains an example file.
 */
public class Runner {

        /**
         * Genius console entry point
         * <p>
         * Use this entry point to run genius negotiations from an xml file. Example
         * xml file can be found at xml-runner/example.xml
         * <p>
         * When no arguments are given, input and output file are prompted at the
         * console. Input file is expected to be an .xml file and output is expected
         * to be an .csv file, although you are free to give different extensions.
         * 
         * @param args
         *            1st argument: input file or empty to be prompted. 2nd
         *            argument: output file or empty to be prompted
         * @throws JAXBException
         * @throws IOException
         * @throws InstantiateException
         */
        public static void main(String[] args)
                        throws JAXBException, IOException, InstantiateException {

                ProtocolsInstaller.run();
                DomainInstaller.run();
                AgentsInstaller.run();

                // print welcome message
                System.out.println(
                                "This is the Genius multilateral tournament runner command line tool");
                System.out.println("Currently you are using using Genius "
                                + About.class.getPackage().getImplementationVersion());

                // request input and output files
                Scanner sc = new Scanner(System.in);
                String input = requestInputFile(args, sc);
                String output = requestOutputFile(args, sc);
                sc.close();

                // run xml configuration
                MultilateralTournamentsConfiguration multiconfig = MultilateralTournamentsConfiguration
                                .load(new File(input));

                // init data model, GUI, logger.
                Integer numParties = multiconfig.getMaxNumNonMediators();
                MultiPartyDataModel dataModel = new MultiPartyDataModel(numParties);
                MultipartyNegoEventLogger myLogger = new MultipartyNegoEventLogger(
                                output, numParties, dataModel);
                dataModel.addTableModelListener(myLogger);

                for (MultilateralTournamentConfiguration config : multiconfig
                                .getTournaments()) {
                        System.out.println("Starting tournament " + config);
                        TournamentManager manager = new TournamentManager(config);
                        manager.addListener(dataModel);
                        manager.run(); // runs the manager thread in sync
                }

                System.out.println("Runner completed succesfully.");

        }

        /** Requests the input file from System.in (or from args[0] if defined) */
        private static String requestInputFile(String[] args, Scanner sc) {
                // init
                File f = null;
                String filename = null;

                // if in args
                if (args.length >= 1) {
                        System.out.println("Input file: " + args[0]);
                        return args[0];
                }

                // Request filename
                System.out.print("Provide path to xml input file: ");
                while (f == null || !f.exists()) {
                        if (f != null) {
                                System.out.println(
                                                "Xml input file could not be found: " + f.getName());
                                System.out.print("Provide path to xml input file: ");
                        }
                        filename = sc.nextLine();
                        f = new File(filename);
                }

                // return filename
                return filename;
        }

        /** Requests the output file from System.in (or from args[1] if defined) */
        private static String requestOutputFile(String[] args, Scanner sc) {
                // init
                File f = null;
                String filename = null;
                DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd-HHmmss");
                String defaultName = String.format("logs/Log-XmlRunner-%s.csv",
                                dateFormat.format(new Date()));

                // if in args
                if (args.length >= 2) {
                        System.out.println("Output file: " + args[1]);
                        return args[1];
                }

                // Request filename
                System.out.print(String.format(
                                "Provide path to output logfile [default: %s]: ", defaultName));
                while (f == null) {
                        filename = sc.nextLine();
                        if (filename.isEmpty()) {
                                filename = defaultName;
                        }
                        f = new File(filename);
                }

                // return filename
                return filename;
        }
}