private File readParamFileIn(CliArguments arguments) {
if (arguments.argumentCount() > 0) {
// first argument is in-file
return new File(arguments.argument(0));
}
return null; // no in-file
}
private Format readOptionFormat(CliArguments arguments) {
Format format = Format.AUTO;
if (arguments.hasOption("format")) {
format = Format.valueOf(arguments.option("format").toUpperCase());
}
return format;
}
private String readOptionComment(CliArguments arguments) {
if (arguments.hasOption("comment")) {
return arguments.option("comment");
}
return null;
}
private Charset readOptionEncoding(CliArguments arguments) {
if (arguments.hasOption("encoding")) {
return Charset.forName(arguments.option("encoding"));
}
return null;
}
private static boolean wantsHelp(CliArguments args) {
return args.optionCount() == 1 && args.hasOption("h");
}
private File readOptionFileOut(CliArguments arguments) {
if (arguments.hasOption("out")) {
return new File(arguments.option("out"));
}
return null; // no out-file
}