in maven-wrapper/src/main/java/org/apache/maven/wrapper/cli/CommandLineParser.java [425:436]
public ParserState onArgument(String argument) {
if (!getHasArgument()) {
throw new CommandLineArgumentException(
String.format("Command-line option '%s' does not" + " take an argument.", optionString));
}
if (argument.length() == 0) {
throw new CommandLineArgumentException(String.format(
"An empty argument was provided" + " for command-line option '%s'.", optionString));
}
values.add(argument);
return onComplete();
}