/**
* Runs the command line interface given some arguments.
*
* @param arguments the command line arguments
* @return whether or not the command successfully executed
* @throws Exception if something goes wrong
*/
public boolean run(String... arguments) throws Exception {
try {
if (isFlag(HELP, arguments)) {
parser.printHelp(stdOut);
} else if (isFlag(VERSION, arguments)) {
parser.printVersion(stdOut);
} else {
final Namespace namespace = parser.parseArgs(arguments);
if (namespace.get("is-help") == null) {
final Command command = commands.get(namespace.getString(COMMAND_NAME_ATTR));
command.run(bootstrap, namespace);
}
}
return true;
} catch (ArgumentParserException e) {
// TODO: 5/25/13 <coda> -- make ArgumentParser#handleError not depend on System.err
stdErr.println(e.getMessage());
e.getParser().printHelp(stdErr);
return false;
} catch (ConfigurationException e) {
// TODO: 7/26/13 <ntelford> -- as above, this probably shouldn't depend on System.err
stdErr.println(e.getMessage());
return false;
}
}
private void addCommand(Command command) {
commands.put(command.getName(), command);
parser.addSubparsers().help("available commands");
final Subparser subparser = parser.addSubparsers().addParser(command.getName(), false);
command.configure(subparser);
addHelp(subparser);
subparser
.description(command.getDescription())
.setDefault(COMMAND_NAME_ATTR, command.getName())
.defaultHelp(true);
}
