code: public boolean setOptions(String[] options) throws Exception {
      ArgumentParser parser;
      Namespace ns;
  
      parser = ArgumentParsers.newArgumentParser(MinDeps.class.getName());
      parser.addArgument("--java-home")
        .type(Arguments.fileType().verifyExists().verifyIsDirectory())
        .dest("javahome")
        .required(true)
        .help("The java home directory of the JDK that includes the jdeps binary, default is taken from JAVA_HOME environment variable.");
      parser.addArgument("--class-path")
        .dest("classpath")
        .required(true)
        .help("The CLASSPATH to use for jdeps.");
      parser.addArgument("--classes")
        .type(Arguments.fileType().verifyExists().verifyIsFile().verifyCanRead())
        .dest("classes")
        .required(true)
        .help("The file containing the classes to determine the dependencies for. Empty lines and lines starting with # get ignored.");
      parser.addArgument("--additional")
        .type(Arguments.fileType())
        .setDefault(new File("."))
        .required(false)
        .dest("additional")
        .help("The file with additional class names to just include.");
      parser.addArgument("--output")
        .type(Arguments.fileType())
        .setDefault(new File("."))
        .required(false)
        .dest("output")
        .help("The file for storing the determined class names in.");
      parser.addArgument("package")
        .dest("packages")
        .required(true)
        .nargs("+")
        .help("The packages to keep, eg 'weka'.");
  
      try {
        ns = parser.parseArgs(options);
      }
      catch (ArgumentParserException e) {
        parser.handleError(e);
        return false;
      }
  
      setJavaHome(ns.get("javahome"));
      setClassPath(ns.getString("classpath"));
      setClassesFile(ns.get("classes"));
      setAdditionalFile(ns.get("additional"));
      setPackages(ns.getList("packages"));
      setOutputFile(ns.get("output"));
  
      return true;
    }
docs: Sets the commandline options.
  
  @param options	the options to use
  @return		true if successful
  @throws Exception	in case of an invalid option