/**
* Converts the ObaArrivalInfo array received from the server to an ArrayList for the adapter
*
* @param arrivalInfo
* @param filter routeIds to filter for
* @param ms current time in milliseconds
* @return ArrayList of arrival info to be used with the adapter
*/
public static final ArrayList<ArrivalInfo> convertObaArrivalInfo(
ObaArrivalInfo[] arrivalInfo,
ArrayList<String> filter,
long ms,
boolean includeArrivalDepartureInStatusLabel) {
final int len = arrivalInfo.length;
ArrayList<ArrivalInfo> result = new ArrayList<ArrivalInfo>(len);
if (filter != null && filter.size() > 0) {
// Only add routes that haven't been filtered out
for (int i = 0; i < len; ++i) {
ObaArrivalInfo arrival = arrivalInfo[i];
if (filter.contains(arrival.getRouteId())) {
ArrivalInfo info = new ArrivalInfo(arrival, ms, includeArrivalDepartureInStatusLabel);
result.add(info);
}
}
} else {
// Add arrivals for all routes
for (int i = 0; i < len; ++i) {
ArrivalInfo info =
new ArrivalInfo(arrivalInfo[i], ms, includeArrivalDepartureInStatusLabel);
result.add(info);
}
}
// Sort by ETA
Collections.sort(result, new InfoComparator());
return result;
}
private String computeLongDescription() {
StringBuilder sb = new StringBuilder();
sb.append(ROUTE);
sb.append(SPACE);
sb.append(mInfo.getShortName());
sb.append(SPACE);
sb.append(mInfo.getHeadsign());
sb.append(SPACE);
if (mEta < 0) {
// Route just arrived or departed
long invertEta = -mEta;
if (mIsArrival) {
sb.append(LongDescription.ARRIVED);
} else {
sb.append(LongDescription.DEPARTED);
}
sb.append(SPACE);
sb.append(invertEta);
sb.append(SPACE);
if (invertEta < 2) {
sb.append(MINUTE_AGO);
} else {
sb.append(MINUTES_AGO);
}
} else if (mEta == 0) {
// Route is now arriving/departing
if (mIsArrival) {
sb.append(IS_NOW_ARRIVING);
} else {
sb.append(IS_NOW_DEPARTING);
}
} else {
// Route is arriving or departing in future
if (mIsArrival) {
sb.append(IS_ARRIVING_IN);
} else {
sb.append(IS_DEPARTING_IN);
}
sb.append(SPACE);
sb.append(mEta);
sb.append(SPACE);
if (mEta < 2) {
sb.append(MINUTE);
} else {
sb.append(MINUTES);
}
}
// If its not real-time info, add statement about schedule
if (!mPredicted) {
sb.append(SPACE);
sb.append(BASED_ON_SCHEDULE);
}
return sb.toString();
}
/**
* @param includeArrivalDepartureInStatusLabel true if the arrival/departure label should be
* included in the status label false if it should not
*/
public ArrivalInfo(ObaArrivalInfo info, long now, boolean includeArrivalDepartureInStatusLabel) {
mInfo = info;
// First, all times have to have to be converted to 'minutes'
final long nowMins = now / ms_in_mins;
long scheduled, predicted;
// If this is the first stop in the sequence, show the departure time.
if (info.getStopSequence() != 0) {
scheduled = info.getScheduledArrivalTime();
predicted = info.getPredictedArrivalTime();
mIsArrival = true;
} else {
// Show departure time
scheduled = info.getScheduledDepartureTime();
predicted = info.getPredictedDepartureTime();
mIsArrival = false;
}
final long scheduledMins = scheduled / ms_in_mins;
final long predictedMins = predicted / ms_in_mins;
if (predicted != 0) {
mPredicted = true;
mEta = predictedMins - nowMins;
mDisplayTime = predicted;
} else {
mPredicted = false;
mEta = scheduledMins - nowMins;
mDisplayTime = scheduled;
}
mColor = computeColor(scheduledMins, predictedMins);
mStatusText =
computeStatusLabel(
info,
now,
predicted,
scheduledMins,
predictedMins,
includeArrivalDepartureInStatusLabel);
mLongDescription = computeLongDescription();
}
/**
* @param info
* @param now
* @param predicted
* @param scheduledMins
* @param predictedMins
* @param includeArrivalDeparture true if the arrival/departure label should be included, false if
* it should not
* @return
*/
private String computeStatusLabel(
ObaArrivalInfo info,
final long now,
final long predicted,
final long scheduledMins,
final long predictedMins,
boolean includeArrivalDeparture) {
ObaArrivalInfo.Frequency frequency = info.getFrequency();
StringBuilder sb = new StringBuilder();
if (frequency != null) {
int headwayAsMinutes = (int) (frequency.getHeadway() / 60);
DateFormat formatter = DateFormat.getTimeInstance(DateFormat.SHORT);
sb.append("Every ");
sb.append(headwayAsMinutes);
sb.append(" minutes ");
long time = 0;
if (now < frequency.getStartTime()) {
time = frequency.getStartTime();
sb.append("from ");
} else {
time = frequency.getEndTime();
sb.append("until ");
}
String label = formatter.format(new Date(time));
sb.append(label);
return sb.toString();
}
if (predicted != 0) {
long delay = predictedMins - scheduledMins;
if (mEta >= 0) {
// Bus hasn't yet arrived/departed
return computeArrivalLabelFromDelay(delay);
} else {
/** Arrival/departure time has passed */
if (!includeArrivalDeparture) {
// Don't include "depart" or "arrive" in label
if (delay > 0) {
// Delayed
sb.append((int) delay);
sb.append(Status.MINUTE_DELAY);
return sb.toString();
} else if (delay < 0) {
// Early
delay = -delay;
sb.append((int) delay);
if (delay < 2) {
sb.append(MINUTE_EARLY);
} else {
sb.append(MINUTES_EARLY);
}
return sb.toString();
} else {
// On time
return Status.ON_TIME;
}
}
if (mIsArrival) {
// Is an arrival time
if (delay > 0) {
// Arrived late
sb.append(Status.ARRIVED);
sb.append((int) delay);
if (delay < 2) {
sb.append(MINUTE_LATE);
} else {
sb.append(MINUTES_LATE);
}
return sb.toString();
} else if (delay < 0) {
// Arrived early
delay = -delay;
sb.append(Status.ARRIVED);
sb.append((int) delay);
if (delay < 2) {
sb.append(MINUTE_EARLY);
} else {
sb.append(MINUTES_EARLY);
}
return sb.toString();
} else {
// Arrived on time
sb.append(Status.ARRIVED);
sb.append(Status.ON_TIME.toLowerCase());
return sb.toString();
}
} else {
// Is a departure time
if (delay > 0) {
// Departed late
sb.append(Status.DEPARTED);
sb.append((int) delay);
if (delay < 2) {
sb.append(MINUTE_LATE);
} else {
sb.append(MINUTES_LATE);
}
return sb.toString();
} else if (delay < 0) {
// Departed early
delay = -delay;
sb.append(Status.DEPARTED);
sb.append((int) delay);
if (delay < 2) {
sb.append(MINUTE_EARLY);
} else {
sb.append(MINUTES_EARLY);
}
return sb.toString();
} else {
// Departed on time
sb.append(Status.DEPARTED);
sb.append(Status.ON_TIME);
return sb.toString();
}
}
}
} else {
// Scheduled times
if (!includeArrivalDeparture) {
return SCHEDULED;
}
if (mIsArrival) {
return SCHEDULED_ARRIVAL;
} else {
return SCHEDULED_DEPARTURE;
}
}
}