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package Q10;
import java.io.*;
import java.util.*;
public class TrainTimeTable {
private LinkedList<Station> schedule;
public TrainTimeTable() {
this(new LinkedList<Station>());
}
public TrainTimeTable(LinkedList<Station> schedule) {
this.schedule = schedule;
}
public void delay(String city, int minutes) {
System.out.println(String.format("Delay %s by %d minutes", city, minutes));
Station station = stationIn(city);
station.delayBy(minutes);
}
public void displaySchedule() {
this.displaySchedule(System.out);
}
public void displaySchedule(PrintStream out) {
out.println("Station | Arrival | Departure | Day");
for (Station station : schedule)
out.println(
String.format(
"%s | %s | %s | %d",
station.getCity(), station.getArrival(), station.getDeparture(), station.getDay()));
}
public Station stationIn(String city) {
for (Station station : this.schedule) if (station.getCity() == city) return station;
return null;
}
public static void main(String[] args) {
System.out.println("=== Question 10 ===");
LinkedList<Station> stations = new LinkedList<Station>();
stations.add(new Station("Vancouver", new Date(), new Date(), 1));
stations.add(new Station("Kamloops", new Date(), new Date(), 2));
stations.add(new Station("Jasper", new Date(), new Date(), 2));
stations.add(new Station("Edmonton", new Date(), new Date(), 2));
stations.add(new Station("Saskatchewan", new Date(), new Date(), 3));
stations.add(new Station("Winnipeg", new Date(), new Date(), 3));
stations.add(new Station("Sioux Lookout", new Date(), new Date(), 4));
stations.add(new Station("Hornepayne", new Date(), new Date(), 4));
stations.add(new Station("Capreol", new Date(), new Date(), 5));
stations.add(new Station("Toronto", new Date(), new Date(), 5));
TrainTimeTable schedule = new TrainTimeTable(stations);
Scanner in = new Scanner(System.in);
String selection = args.length > 0 ? args[0] : null;
while (true) {
if (selection == null) {
System.out.println();
System.out.println("Enter command (Show, Delay, Quit):");
selection = in.nextLine().toLowerCase();
}
if (selection.equals("quit")) return;
if (selection.equals("show")) {
schedule.displaySchedule(System.out);
} else {
String[] tokens = selection.split(" ");
if (tokens.length == 3) {
schedule.delay(tokens[1], Integer.parseInt(tokens[2]));
} else {
System.out.println("Could not parse command");
}
}
selection = null;
}
}
}
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