KillStreakFilter.java

package in.twizmwaz.cardinal.module.modules.filter.type;

import in.twizmwaz.cardinal.module.modules.filter.FilterModule;
import in.twizmwaz.cardinal.module.modules.filter.FilterState;
import in.twizmwaz.cardinal.module.modules.filter.parsers.KillstreakFilterParser;
import org.bukkit.entity.Player;

import static in.twizmwaz.cardinal.module.modules.filter.FilterState.*;

public class KillStreakFilter extends FilterModule {

    private final int min;
    private final int max;
    private final int count;
    private final boolean repeat;

    public KillStreakFilter(final KillstreakFilterParser parser) {
        super(parser.getName(), parser.getParent());
        this.min = parser.getMin();
        this.max = parser.getMax();
        this.count = parser.getCount();
        this.repeat = parser.isRepeat();
    }

    @Override
    public FilterState evaluate(final Object... objects) {
        for (Object object : objects) {
            if (object instanceof Player) {
                try {
                    int killStreak = ((Player) object).getMetadata("killstreak").get(0).asInt();
                    if (this.min > -1 && this.max > -1) {
                        if (killStreak > min && killStreak < max)
                            return ALLOW;
                        else
                            return DENY;
                    } else if (killStreak == count)
                        return ALLOW;
                    else if (repeat && killStreak % count == 0)
                        return ALLOW;
                    else
                        return DENY;
                } catch (IndexOutOfBoundsException e) {
                    return (getParent() == null ? ABSTAIN : getParent().evaluate(objects));
                }
            }
        }
        return (getParent() == null ? ABSTAIN : getParent().evaluate(objects));
    }

}