/**
* Returns the index in the provided infoList for the first non-negative arrival ETA in the list,
* or -1 if no non-negative ETAs exist in the list
*
* @param infoList list to search for non-negative arrival times, ordered by relative ETA from
* negative infinity to positive infinity
* @return the index in the provided infoList for the first non-negative arrival ETA in the list,
* or -1 if no non-negative ETAs exist in the list
*/
public static int findFirstNonNegativeArrival(ArrayList<ArrivalInfo> infoList) {
for (int i = 0; i < infoList.size(); i++) {
ArrivalInfo info = infoList.get(i);
if (info.getEta() >= 0) {
return i;
}
}
// We didn't find any non-negative ETAs
return -1;
}
/**
* Format the arrival info for speach
*
* @param arrivals arrival information
* @param arrivalScanMins number of minutes ahead that the arrival information was requested for
* @param currentTime the time when this arrival information was generated
* @return the arrival info text formatted for speech
*/
public static String getArrivalText(
ObaArrivalInfo[] arrivals, int arrivalScanMins, long currentTime) {
String output;
if (arrivals.length == 0) {
output =
"There are no upcoming arrivals at your stop for the next "
+ arrivalScanMins
+ " minutes.";
} else {
StringBuilder sb = new StringBuilder();
for (ObaArrivalInfo obaArrival : arrivals) {
log.info("Arrival: " + obaArrival);
ArrivalInfo arrival = new ArrivalInfo(obaArrival, currentTime, false);
sb.append(arrival.getLongDescription() + " -- "); // with pause between sentences
}
output = sb.toString();
}
return output;
}