/** Tries reading one particular file as a post. */
public Optional<Post> parsePost(FileNode node) {
String fileName = node.getPath();
// check for match
Matcher matcher = POST_TITLE_PATTERN.matcher(fileName);
if (!matcher.matches()) return Optional.absent();
try {
// get date
int year = Integer.valueOf(matcher.group(1));
int month = Integer.valueOf(matcher.group(2)) - 1; // java Calendar is 0 based
int day = Integer.valueOf(matcher.group(3));
Calendar calendar = Calendar.getInstance();
calendar.set(year, month, day);
// get title
String title = formatTitle(matcher.group(4));
return Optional.of(new Post(title, calendar.getTime(), node));
} catch (NumberFormatException nfe) {
Timber.w(nfe, "failed to parse post tile \"" + fileName + "\"");
return Optional.absent();
}
}
/** Tries reading one particular file as a draft. */
public Optional<Draft> parseDraft(FileNode node) {
// check for match
Matcher matcher = DRAFT_TITLE_PATTERN.matcher(node.getPath());
if (!matcher.matches()) return Optional.absent();
// get title
String title = formatTitle(matcher.group(1));
return Optional.of(new Draft(title, node));
}
public Observable<Optional<Station>> getStationByGaugeId(final String gaugeId) {
if (!stationCache.getStations().isPresent()) {
return getStations()
.flatMap(
new Func1<Collection<Station>, Observable<Optional<Station>>>() {
@Override
public Observable<Optional<Station>> call(Collection<Station> stations) {
return Observable.just(
Optional.of(stationCache.getStations().get().get(gaugeId)));
}
});
} else {
return Observable.just(Optional.of(stationCache.getStations().get().get(gaugeId)));
}
}