jaja

HelpAction.java

package org.heat.world.commands.impl.actions;

import com.google.inject.Inject;
import org.heat.world.commands.*;

import java.util.Arrays;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * Managed by romain on 08/03/2015.
 */
public class HelpAction implements CommandAction {
    @Inject Map<String, CommandTree> commands;
    @Inject Map<Class, CommandCond> conditions;

    @Override
    public void execute(CommandSender sender, String... args) {
        boolean spot = args.length > 0;

        String text;

        if(spot) {
            String name = args[0];
            CommandTree command = commands.get(name);

            //works with/without prefix
            if(command != null || (command = commands.get(name.substring(1))) != null)
                text = "Syntaxe de votre commande: \n"+
                        command.getCommand().getSyntax();
            else
                text = "Commande non trouvée.";
        } else {
            text = "Liste des commandes disponibles: \n" + commands.values()
                    .stream()
                    .map((x) -> {
                        Command command = x.getCommand();
                        Class[] classes = command.getConditions();

                        boolean b = Arrays.stream(classes)
                                .filter((c) -> conditions.get(c).isEligible(sender))
                                .count() == classes.length;

                        return b ? command.getSyntax() : "";
                    })
                    .collect(Collectors.joining());
        }
        sender.reply(text);
    }
}