CommonsCmdParser.java

/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		final String CREATE_STACK = "createstack";
		Commands cmds = new Commands(
				Command.Builder(CREATE_STACK)
					.withOptions(new Options(
								Option.Builder(STACK_NAME_SHORT)
									.withLongOpt(STACK_NAME)
									.isRequired()
									.build()
							))
					.withHelp(new HelpFormatter()),		
					.build(),
				Command.Builder(LIST_ARTIFACTS)
					.withOptions(new Options(
								Option.Builder(ALL_SHORT)
									.withLongOpt(ALL_SHORT)
									.isRequired()
									.build()
							))
					.build()
					
				Command.Builder(REMOVE_ARTIFACTS)
					.withOptions(new Options(
								Option.Builder(ALL_SHORT)
									.withLongOpt(ALL_SHORT)
									.isRequired()
									.build()
							))
					.build()					
			);
		
		CommandLine cmdLine = new DefaultParser().parse(commands);
		Command rootCmd = cmdLine.getCommand();
		if (rootCmd.getCmd().equals(CREATE_NEW_STACK)) {
			Options options = rootCmd.getOptions();
			
		}
		
		if (rootCmd.hasChild()) {
			Command child = cmdLine.getChild();
			if (!child.hasChild()) {
				Options options = child.getOptions()
			}
		}
	}
}