MagicStackFilterImpl.java

package magic.model.target;

import magic.model.MagicGame;
import magic.model.MagicPlayer;
import magic.model.MagicSource;
import magic.model.stack.MagicItemOnStack;
import magic.model.event.MagicEvent;

import java.util.ArrayList;
import java.util.List;

public abstract class MagicStackFilterImpl implements MagicTargetFilter<MagicItemOnStack> {
    public List<MagicItemOnStack> filter(final MagicSource source) {
        return filter(source, source.getController(), MagicTargetHint.None);
    }

    public List<MagicItemOnStack> filter(final MagicPlayer player) {
        return filter(MagicSource.NONE, player, MagicTargetHint.None);
    }

    public List<MagicItemOnStack> filter(final MagicEvent event) {
        return filter(event.getSource(), event.getPlayer(), MagicTargetHint.None);
    }

    public List<MagicItemOnStack> filter(final MagicSource source, final MagicPlayer player, final MagicTargetHint targetHint) {
        final MagicGame game = player.getGame();
        final List<MagicItemOnStack> targets=new ArrayList<MagicItemOnStack>();

        // Items on stack
        if (acceptType(MagicTargetType.Stack)) {
            for (final MagicItemOnStack targetItemOnStack : game.getStack()) {
                if (accept(source,player,targetItemOnStack) &&
                    targetHint.accept(player,targetItemOnStack)) {
                    targets.add(targetItemOnStack);
                }
            }
        }

        return targets;
    }
    public boolean acceptType(final MagicTargetType targetType) {
        return targetType==MagicTargetType.Stack;
    }
}