EpisodeFilter.java

package de.danoeh.antennapodsp.util;

import de.danoeh.antennapodsp.feed.FeedItem;

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

public class EpisodeFilter {
    private EpisodeFilter() {

    }

    /**
     * Return a copy of the itemlist without items which have no media.
     */
    public static ArrayList<FeedItem> getEpisodeList(List<FeedItem> items) {
        ArrayList<FeedItem> episodes = new ArrayList<FeedItem>(items);
        for (FeedItem item : items) {
            if (item.getMedia() == null) {
                episodes.remove(item);
            }
        }
        return episodes;
    }

    public static int countItemsWithEpisodes(List<FeedItem> items) {
        int count = 0;
        for (FeedItem item : items) {
            if (item.getMedia() != null) {
                count++;
            }
        }
        return count;
    }

    public static FeedItem accessEpisodeByIndex(List<FeedItem> items,
                                                int position) {
        int count = 0;
        for (FeedItem item : items) {

            if (item.getMedia() != null) {
                if (count == position) {
                    return item;
                } else {
                    count++;
                }
            }
        }
        return null;
    }
}