Hello all,
First of all I thank you for Commons CLI, such a useful library!
Question:
I have two sets of arguments in my command line java program, I haven't been
able to find documentation on how to handle different OptionGroups, I want to
have the program detect that it got either group1, group2 or help. To make it
interesting, group 1 contains required and not required arguments.
I am using release 1.2 and here's my code so far:
Option in = OptionBuilder.hasArg().withArgName("file")
.withLongOpt("in").withDescription("VCD file to
convert.")
.create("i");
in.setRequired(true);
Option out = OptionBuilder.hasArg().withArgName("file")
.withLongOpt("out").withDescription("Output CSV
file.")
.create("o");
out.setRequired(true);
Option getsignals = new Option(
"g",
"getsignals",
false,
"Gets a list of signals available in a VCD
file. Use in conjunction with the i option only.");
getsignals.setRequired(true);
Option signals = OptionBuilder
.hasArgs()
.withArgName("signalList")
.withLongOpt("signals")
.withDescription(
"Comma separated list of
requested signals to include in the CSV.")
.withValueSeparator(',').withType(new
ArrayList<String>())
.create("s");
signals.setRequired(true);
Option timeUnit = OptionBuilder
.hasArg()
.withLongOpt("timeUnit")
.withDescription(
"Time units to use. Options:
'ms','us' or 'ns'.")
.create("t");
timeUnit.setRequired(false);
Option noDuplicates = new Option("n", "noDuplicates", false,
"Set flag to remove duplicate time entries.");
noDuplicates.setRequired(false);
Option append = new Option("a", "append", false,
"Set flag to append information to existing
CSV.");
append.setRequired(false);
Option getDeltas = new Option("d", "deltas", false,
"Set to calculate delta values between
entries.");
getDeltas.setRequired(false);
Option help = new Option("h", "help", false,
"Prints usage information.");
help.setRequired(true);
// Group for converting:
options = new Options();
OptionGroup groupConvert = new OptionGroup();
groupConvert.addOption(in);
groupConvert.addOption(out);
groupConvert.addOption(signals);
groupConvert.addOption(timeUnit);
groupConvert.addOption(noDuplicates);
groupConvert.addOption(append);
groupConvert.addOption(getDeltas);
groupConvert.addOption(getsignals);
groupConvert.setRequired(true);
// Group for viewing signals
OptionGroup groupViewSignals = new OptionGroup();
groupViewSignals.addOption(in);
groupViewSignals.addOption(getsignals);
groupViewSignals.setRequired(true);
options.addOption(help);
options.addOptionGroup(groupConvert);
options.addOptionGroup(groupViewSignals);
Thanks!
Andrei Viesca
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