source: tmcsimulator/trunk/src/atmsdriver/model/PostmileCoords.java @ 260

package atmsdriver.model;



import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Scanner;



/**

 * PostmileCoords is a collection of Postmiles (id and LatLong Coordinates).

 * @author jdalbey

 */

public class PostmileCoords implements Iterable

{

    private List<Postmile> postmileList;

    public PostmileCoords()

    {

        postmileList = new ArrayList<Postmile>();

    }

    /** Accessor to value at given index */

    public Postmile get(int idx)

    {

        return postmileList.get(idx);

    }

    /** Return the size */

    public int size()

    {

        return postmileList.size();

    }

    /** Find the postmile with the given name */

    public Postmile find(String target)

    {

        int idx = 0;

        while (idx < postmileList.size() && !postmileList.get(idx).nameEquals(target))

        {

            idx++;

        }

        if (idx < postmileList.size())

        {

            return postmileList.get(idx);

        }

        else

        {

            return null;

        }

    }

    /** Load the postmile list from external file */

    public void load(Scanner scan)

    {

        String out = scan.next();

        //  split into an array 

        String[] results = out.split("\\n");

        for (String item : results)

        {

            String[] fields = item.split(",");

            String[] nameparts = fields[0].split(" ");

            String statepm = nameparts[2];

            // some postmiles come with a prefix, which we ignore

            if (Character.isLetter(statepm.charAt(0)))

            {

                statepm = statepm.substring(1);

            }  

            String revisedpm = nameparts[0] + " " + nameparts[1] + " " + statepm;

            Postmile pm = new Postmile(revisedpm,fields[1],fields[2]);

            postmileList.add(pm);

        }

    }



    @Override

    public Iterator iterator()

    {

        return postmileList.iterator();

    }

    /**

     *  Postmile is a postmile id and its LatLong Coordinates.

     */

    final static class Postmile  

    {

        String name;  // the postmile name (Route,Direction,State postmile)

        String latitude; // the latitude coordinate for this postmile

        String longitude; // the longitude coordinate for this postmile

        public Postmile(String name, String lat, String longitude)

        {

            this.name = name.trim();

            this.latitude = lat.trim();

            this.longitude = longitude.trim();

        }

        public boolean nameEquals(String target)

        {

            return this.name.equals(target);

        }

        @Override public boolean equals(Object aThat) 

        {

            if (this == aThat) return true;

            if (!(aThat instanceof Postmile)) return false;

            Postmile that = (Postmile) aThat;

            boolean r1 = this.name.equals(that.name);

            boolean r2 = this.latitude.equals(that.latitude);

            boolean r3 = this.longitude.equals(that.longitude);

            return r1 && r2 && r3;

        }

        @Override public String toString()

        {

            return name + ": " + latitude +","+ longitude;

        }

        public String toJson()

        {

            String kFeature = "\n{\n   \"type\": \"Feature\",\n   \"id\": \"";

            String kPoint = "\", \n     \"geometry\":\n       {\n        \"type\": \"Point\",\n        \"coordinates\": [";

            String kProp = "]\n" +

"      },\n" +

"      \"properties\": \n" +

"        {\"color\": \"desiredcolor\"";

            String kTail = "}\n" +

"    },";

            return kFeature + name + kPoint + longitude + "," + latitude + kProp + kTail;

        }

    }

}