/**
* Computes the arrival status label from the delay (i.e., schedule deviation), where positive
* means the bus is running late and negative means the bus is running ahead of schedule
*
* @param delay schedule deviation, in minutes, for this vehicle where positive means the bus is
* running late and negative means the bus is running ahead of schedule
* @return the arrival status label based on the deviation
*/
public static String computeArrivalLabelFromDelay(long delay) {
StringBuilder sb = new StringBuilder();
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;
}
}
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 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;
}
}
}