source: tmcsimulator/trunk/test/atmsdriver/TrafficModelEventDriver.java @ 194

package atmsdriver;



import atmsdriver.model.Highways;

import atmsdriver.model.TrafficEvent;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.rmi.RemoteException;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashMap;

import java.util.LinkedList;

import java.util.List;

import java.util.Map;

import java.util.Scanner;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JOptionPane;

import javax.swing.JWindow;



/**

 * Skeleton for ATMS Driver that reads a "batch" file of highway status update

 * commands.  A console display of the highway network is output

 * for each event.

 * @author jdalbey

 */

public class TrafficModelEventDriver 

{

    /**

     * Error logger.

     */

    private static Logger logger = Logger.getLogger("trafficmodeleventdriver");



    /**

     * Highways in traffic network

     */

    final private Highways highways;



    /**

     * LinkedList of batch events

     */

    private LinkedList<TrafficEvent> eventQueue;

    /**

     * Map of incidents to events

     */

    private Map<String, List<TrafficEvent>> incidents;



    /**

     * Constructor. Load highways and events.

     *

     */

    public TrafficModelEventDriver() throws RemoteException

    {

        // Initialize the highway model

        incidents = new HashMap<String, List<TrafficEvent>>();

        highways = new Highways(

                "config/vds_data/highways_fullmap.txt",

                //        "192.168.251.46", 8080);  //IP address of FEP Sim Linux VM

                "localhost", 8080);



        // READ THE BATCH FILE OF COMMANDS and put in a queue

        readBatchFile();

    }

    public void run()

    {

        // If we have any events left to process

        while (!eventQueue.isEmpty())

        {

            // Get next event

            TrafficEvent nextEvent = eventQueue.peek();

            System.out.println("LAUNCHING EVENT: " + nextEvent.toString());

            // apply colorization to highways

            highways.applyColorToHighwayStretch(nextEvent.routeNumber, nextEvent.dir,

                    nextEvent.postmile, nextEvent.range, nextEvent.color);

            System.out.println(highways.toString());

            // Remove this event from the queue, we're done with it.

            eventQueue.remove();

        }

    }



    private void readBatchFile()

    {

        FileInputStream fis;

        try

        {

            fis = new FileInputStream("config/vds_data/atmsBatchEvents.txt");

            eventQueue = new LinkedList<TrafficEvent>();

            // Read all lines from the file of events

            Scanner scan = new Scanner(fis);

            while (scan.hasNext())

            {

                // Read a line and add it to the event queue

                String line = scan.nextLine().trim();

                if (line.charAt(0) != '#')

                {

                    TrafficEvent evt;

                    try

                    {

                        evt = new TrafficEvent(line);

                        eventQueue.add(evt);

                        String incident = evt.incident;

                        // Add the line to the list for the corresponding incident

                        List evtList;

                        if (incidents.containsKey(evt.incident))

                        {

                            evtList = incidents.get(evt.incident);

                        }

                        else

                        {

                            evtList = new ArrayList<String>();

                        }

                        evtList.add(evt);

                        // and put it back in the map

                        incidents.put(incident, evtList);

                    }

                    catch (ParseException ex)

                    {

                        Logger.getLogger(TrafficModelEventDriver.class.getName()).log(Level.SEVERE, null, ex);

                        System.out.println("Wrong format data in batch event file: " + line + " \nskipping.");

                        System.out.println("Skipping badly formatted event.");

                    }

                }

            }

        }

        catch (FileNotFoundException ex)

        {

            Logger.getLogger(TrafficModelEventDriver.class.getName()).log(Level.SEVERE, null, ex);

        }

        System.out.println("Events file read, " + eventQueue.size() + " events queued.");

        // Put the events in chronological order

        Collections.sort(eventQueue);

    }



    /**

     * local main to launch the app.

     *

     * @param args Command line arguments.

     */

    public static void main(String[] args)

    {

        try

        {

            TrafficModelEventDriver driver = new TrafficModelEventDriver();

            driver.run();

        }

        catch (Exception e)

        {

            logger.logp(Level.SEVERE, "Traffic Model Event Driver", "Main",

                    "Error initializing application.");



            JOptionPane.showMessageDialog(new JWindow(), e.getMessage(),

                    "Error - Program Exiting", JOptionPane.ERROR_MESSAGE);



            System.exit(-1);

        }



    }



}