public void onDataSave(File dir) {
ArrayList<String> lines = new ArrayList<String>();
for (Feed feed : feeds) {
lines.add(feed.getURL().toString());
lines.add(Long.toString((feed.getDate() != null) ? feed.getDate().getTime() : 0L));
lines.add(Long.toString(feed.getInterval()));
lines.add(StringTools.implode(feed.channels.toArray(new String[feed.channels.size()]), " "));
}
FileLine.write(new File(dir, "rss.cfg"), lines);
}
