Example usage for org.apache.commons.cli HelpFormatter printHelp

Introduction

In this page you can find the example usage for org.apache.commons.cli HelpFormatter printHelp.

Prototype

public void printHelp(PrintWriter pw, int width, String cmdLineSyntax, String header, Options options,
        int leftPad, int descPad, String footer) 

Source Link

Document

Print the help for options with the specified command line syntax.

Usage

From source file:edu.uga.cs.fluxbuster.FluxbusterCLI.java

/**
 * The main method./*from w  w  w .  j a  va 2s  . c o m*/
 *
 * @param args the command line arguments
 */
public static void main(String[] args) {
    GnuParser parser = new GnuParser();
    Options opts = FluxbusterCLI.initializeOptions();
    CommandLine cli;
    try {
        cli = parser.parse(opts, args);

        if (cli.hasOption('?')) {
            throw new ParseException(null);
        }

        if (validateDate(cli.getOptionValue('d')) && validateDate(cli.getOptionValue('e'))) {

            if (log.isInfoEnabled()) {
                StringBuffer arginfo = new StringBuffer("\n");
                arginfo.append("generate-clusters: " + cli.hasOption('g') + "\n");
                arginfo.append("calc-features: " + cli.hasOption('f') + "\n");
                arginfo.append("calc-similarity: " + cli.hasOption('s') + "\n");
                arginfo.append("classify-clusters: " + cli.hasOption('c') + "\n");
                arginfo.append("start-date: " + cli.getOptionValue('d') + "\n");
                arginfo.append("end-date: " + cli.getOptionValue('e') + "\n");
                log.info(arginfo.toString());
            }

            try {
                boolean clus = true, feat = true, simil = true, clas = true;
                if (cli.hasOption('g') || cli.hasOption('f') || cli.hasOption('s') || cli.hasOption('c')) {
                    if (!cli.hasOption('g')) {
                        clus = false;
                    }
                    if (!cli.hasOption('f')) {
                        feat = false;
                    }
                    if (!cli.hasOption('s')) {
                        simil = false;
                    }
                    if (!cli.hasOption('c')) {
                        clas = false;
                    }
                }

                DBInterfaceFactory.init();
                SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
                Date logdate = df.parse(cli.getOptionValue('d'));
                long startTime = logdate.getTime() / 1000;
                long endTime = df.parse(cli.getOptionValue('e')).getTime() / 1000;

                if (clus) {
                    ClusterGenerator cg = new ClusterGenerator();
                    List<DomainCluster> clusters = cg.generateClusters(startTime, endTime, true);
                    cg.storeClusters(clusters, logdate);
                }
                if (feat) {
                    FeatureCalculator calc = new FeatureCalculator();
                    calc.updateFeatures(logdate);
                }
                if (simil) {
                    ClusterSimilarityCalculator calc2 = new ClusterSimilarityCalculator();
                    calc2.updateClusterSimilarities(logdate);
                }
                if (clas) {
                    Classifier calc3 = new Classifier();
                    calc3.updateClusterClasses(logdate, 30);
                }
            } catch (Exception e) {
                if (log.isFatalEnabled()) {
                    log.fatal("", e);
                }
            } finally {
                DBInterfaceFactory.shutdown();
            }
        } else {
            throw new ParseException(null);
        }
    } catch (ParseException e1) {
        PrintWriter writer = new PrintWriter(System.out);
        HelpFormatter usageFormatter = new HelpFormatter();
        usageFormatter.printHelp(writer, 80, "fluxbuster", "If none of the options g, f, s, c are specified "
                + "then the program will execute as if all of them "
                + "have been specified.  Otherwise, the program will " + "only execute the options specified.",
                opts, 0, 2, "");
        writer.close();
    }
}

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