KeycloakCLIExample.java

import org.jboss.aesh.cl.CommandDefinition;
import org.jboss.aesh.cl.GroupCommandDefinition;
import org.jboss.aesh.cl.Option;
import org.jboss.aesh.console.AeshConsoleBuilder;
import org.jboss.aesh.console.AeshConsoleImpl;
import org.jboss.aesh.console.Prompt;
import org.jboss.aesh.console.command.Command;
import org.jboss.aesh.console.command.CommandException;
import org.jboss.aesh.console.command.CommandResult;
import org.jboss.aesh.console.command.invocation.CommandInvocation;
import org.jboss.aesh.console.command.registry.AeshCommandRegistryBuilder;
import org.jboss.aesh.console.command.registry.CommandRegistry;
import org.jboss.aesh.console.settings.Settings;
import org.jboss.aesh.console.settings.SettingsBuilder;

/**
 * @author <a href=mailto:stale.pedersen@jboss.org">Ståle W. Pedersen</a>
 */
public class KeycloakCLIExample {

    public static void main(String[] args) {
        Settings settings =
                new SettingsBuilder()
                .logging(false)
                .readInputrc(false)
                .disableCompletion(true)
                .disableHistory(true)
                .enableAlias(false)
                .enableExport(false)
                .create();

        CommandRegistry registry = new AeshCommandRegistryBuilder()
                .command(KCReg.class)
                .create();

        AeshConsoleImpl console = (AeshConsoleImpl) new AeshConsoleBuilder()
                .settings(settings)
                .commandRegistry(registry)
                .prompt(new Prompt(""))
                .create();

        if(args.length > 0) {
            StringBuilder b = new StringBuilder();
            for (String s : args)
                b.append(s).append(" ");

            console.start();
            console.execute("kcreg " + b.toString());
        }
        else
            System.out.println(console.getHelpInfo("kcreg"));
    }

    @GroupCommandDefinition(name = "kcreg", description = "Keycloak registration blablabl\n yes here is a new line...", groupCommands = {Login.class, InitialAccess.class})
    public static class KCReg implements Command {

        @Option(hasValue = false)
        private boolean help;

        @Override
        public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
            if(help)
                commandInvocation.println(commandInvocation.getHelpInfo("kcreg"));


            //make sure we stop æsh after each invocation
            commandInvocation.stop();
            return CommandResult.SUCCESS;
        }

    }

    @CommandDefinition(name = "login", description = "")
    public static class Login implements Command {

        @Option(name = "help", shortName = 'h', description = "Display help info", hasValue = false)
        private boolean help;

        @Option(name = "realm", shortName = 'r', description = "Specify to which realm you want to blablaba")
        private String realm;

        @Option(name = "user", shortName = 'u', description = "User name you want to balblabla")
        private String user;

        @Override
        public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
            if(help)
                commandInvocation.println(commandInvocation.getHelpInfo("kcreg login"));

            //do some logic here...
            //make sure we stop æsh after each invocation
            commandInvocation.stop();
            return CommandResult.SUCCESS;
        }
    }

    @CommandDefinition(name = "initial-access", description = "")
    public static class InitialAccess implements Command {

        @Option(name = "help", shortName = 'h', description = "Display help info", hasValue = false)
        private boolean help;

        @Option
        private String name;

        @Override
        public CommandResult execute(CommandInvocation commandInvocation) throws CommandException, InterruptedException {
            if(help)
                commandInvocation.println(commandInvocation.getHelpInfo("kcreg initial-access"));

            //make sure we stop æsh after each invocation
            commandInvocation.stop();
            return CommandResult.SUCCESS;
        }
    }
}