/* Combined demonstration - phase 2
*/

// ----------------------------------------- Framework.java

import java.util.*;

public class Framework {

public static void main (String [] args) {

        MyStream StationSource = new MyStream("rstats2014.xyz");
        HashMap NationalRail = Station.factory(StationSource);
        System.out.println(NationalRail.get("LAS"));

        ArrayList Codes = MyUtils.sortedList(NationalRail);
        MyUtils.print(NationalRail,Codes);

        }
}

// ----------------------------------------- MyStream.java

import java.io.*;

public class MyStream {
        BufferedReader Source;
        String Refname;
        public MyStream (String name) {
                        Source = null;
                try {
                        Source = new BufferedReader(new FileReader(name));
                        Refname = name;
                } catch (Exception e) {
                }
        }
        public String readLine() {
                try {
                        return Source.readLine();
                } catch (Exception e) {
                        return null;
                }
        }

}

// ----------------------------------------- MyUtils.java

import java.util.*;

public class MyUtils {

public static ArrayList sortedList(HashMap NationalRail) {

// A way of stepping through all the elements of a HashMap
        Set stepThru = NationalRail.keySet();
        Iterator stepIt = stepThru.iterator();

// Step through them and put them (keys) into an ArrayList
// (which IS Sortable)
        ArrayList Codes = new ArrayList();
        while (stepIt.hasNext()) {
                String tlc = (String)stepIt.next();
                Codes.add(tlc);
        }

// Phew! we can sort it!
        Collections.sort(Codes);

        return Codes;
}

public static void print(HashMap NationalRail, ArrayList Codes) {

// Step through the sorted ArrayList, selecting each item from the HashMap in the
// sorted order
        for (int k=0; k<Codes.size(); k++) {
                Station xxx = (Station)(NationalRail.get((String)(Codes.get(k))));
                System.out.println(xxx);
                }
        }
}

// ----------------------------------------- Station.java

import java.util.*;

public class Station {

/* Sample data record

4223 LAS SA7 9RY SS 697976 51.6615015093 -3.8847136298 Llansamlet 20397 20031 18530 22670 30572 25558 32330 32550 34008 33200

*/

String tlc;
float lati;
float longi;
String name;
int pc;

private Station(String TLC, float lati, float longi, String name,
                int annualPassengers) {
        this.tlc = TLC;
        this.lati = lati;
        this.longi = longi;
        this.name = name;
        this.pc = annualPassengers;
        }

public static Station producer(String raw) {
        String [] f = raw.split("\t");
        Station current = null;
        try {
                current = new Station(
                        f[1], /* Three letter code */
                        Float.parseFloat(f[4]),
                        Float.parseFloat(f[5]),
                        f[6], /* Name */
                        Integer.parseInt(f[f.length-1]) );
                } catch (Exception e) {

                }
        return current;
        }

public static HashMap factory(MyStream Source) {
        HashMap NationalRail = new HashMap();
        String record ;
        while ((record = Source.readLine()) != null) {
                Station current = Station.producer(record);
                if (current != null) {
                        String tlc = current.getTLC();
                        NationalRail.put(tlc,current);
                        // System.out.println(current);
                        }
                }
        return NationalRail;
        }

public String getTLC() {
        return tlc;
        }

public String toString() {
        return name + " [" + tlc + "]";
        }
}