public void test12210() {
// create the main options object which will handle the first parameter
Options mainOptions = new Options();
// There can be 2 main exclusive options: -exec|-rep
// Therefore, place them in an option group
String[] argv = new String[] {"-exec", "-exec_opt1", "-exec_opt2"};
OptionGroup grp = new OptionGroup();
grp.addOption(new Option("exec", false, "description for this option"));
grp.addOption(new Option("rep", false, "description for this option"));
mainOptions.addOptionGroup(grp);
// for the exec option, there are 2 options...
Options execOptions = new Options();
execOptions.addOption("exec_opt1", false, " desc");
execOptions.addOption("exec_opt2", false, " desc");
// similarly, for rep there are 2 options...
Options repOptions = new Options();
repOptions.addOption("repopto", false, "desc");
repOptions.addOption("repoptt", false, "desc");
// create the parser
GnuParser parser = new GnuParser();
// finally, parse the arguments:
// first parse the main options to see what the user has specified
// We set stopAtNonOption to true so it does not touch the remaining
// options
try {
CommandLine cmd = parser.parse(mainOptions, argv, true);
// get the remaining options...
argv = cmd.getArgs();
if (cmd.hasOption("exec")) {
cmd = parser.parse(execOptions, argv, false);
// process the exec_op1 and exec_opt2...
assertTrue(cmd.hasOption("exec_opt1"));
assertTrue(cmd.hasOption("exec_opt2"));
} else if (cmd.hasOption("rep")) {
cmd = parser.parse(repOptions, argv, false);
// process the rep_op1 and rep_opt2...
} else {
fail("exec option not found");
}
} catch (ParseException exp) {
fail("Unexpected exception: " + exp.getMessage());
}
}
public void test13935() {
OptionGroup directions = new OptionGroup();
Option left = new Option("l", "left", false, "go left");
Option right = new Option("r", "right", false, "go right");
Option straight = new Option("s", "straight", false, "go straight");
Option forward = new Option("f", "forward", false, "go forward");
forward.setRequired(true);
directions.addOption(left);
directions.addOption(right);
directions.setRequired(true);
Options opts = new Options();
opts.addOptionGroup(directions);
opts.addOption(straight);
CommandLineParser parser = new PosixParser();
boolean exception = false;
String[] args = new String[] {};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
exception = true;
}
if (!exception) {
fail("Expected exception not caught.");
}
exception = false;
args = new String[] {"-s"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
exception = true;
}
if (!exception) {
fail("Expected exception not caught.");
}
exception = false;
args = new String[] {"-s", "-l"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
fail("Unexpected exception: " + exp.getClass().getName() + ":" + exp.getMessage());
}
opts.addOption(forward);
args = new String[] {"-s", "-l", "-f"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
fail("Unexpected exception: " + exp.getClass().getName() + ":" + exp.getMessage());
}
}
