ProgramOptions.java

package com.grendelscan;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

public class ProgramOptions
{
    public static final char BATCH_OPTION = 'b';
    public static final char CONFIG_FILE_OPTION = 'c';
    public static final char HELP_OPTION = 'h';
    public static final char OUTPUT_DIR_OPTION = 'o';
    public static final char VERBOSE_OPTION = 'v';
    private final Option batchMode;

    private final Option configFile;
    private final Option help;
    private final Options options;
    private final Option outputDirectory;
    private final Option verbose;

    public ProgramOptions()
    {
        options = new Options();
        batchMode = new Option("b", "batch", false, "Runs the program in batch mode, without the GUI");
        options.addOption(batchMode);

        configFile = new Option("c", "config-file", true, "Path to the scan configuration file");
        options.addOption(configFile);

        outputDirectory = new Option("o", "output-dir", true, "Output directory for the scan; overrides the config file");
        options.addOption(outputDirectory);

        help = new Option("h", "help", false, "This page");
        options.addOption(help);

        verbose = new Option("v", "verbose", false, "Print status messages to the console");
        options.addOption(verbose);
    }

    public CommandLine parseArguments(final String[] args) throws ParseException
    {
        CommandLineParser parser = new GnuParser();
        return parser.parse(options, args);
    }

    public void printHelp()
    {
        HelpFormatter helpFormatter = new HelpFormatter();
        helpFormatter.printHelp(" ", options);
    }
}