CardCounterPredicate.java

package mage.filter.predicate.permanent;

import mage.cards.Card;
import mage.counters.CounterType;
import mage.filter.predicate.Predicate;
import mage.game.Game;

/**
 * Created by glerman on 3/7/15.
 */
public class CardCounterPredicate implements Predicate<Card>{

  private final CounterType counter;

  /**
   *
   * @param counter if null any counter selects the permanent
   */
  public CardCounterPredicate(CounterType counter) {
    this.counter = counter;
  }

  @Override
  public boolean apply(Card input, Game game) {
    if (counter == null) {
      return !input.getCounters(game).keySet().isEmpty();
    } else {
      return input.getCounters(game).containsKey(counter);
    }
  }

  @Override
  public String toString() {
    return "CounterType(" + counter.getName() + ')';
  }
}