Merge branch 'splitIntoTwoModules' of https://eng-git.canterbury.ac.nz/seng302-2017/team-7 into splitIntoTwoModules

.mailmap

@@ -16,4 +16,5 @@
 # https://www.kernel.org/pub/software/scm/git/docs/git-shortlog.html
 # http://stacktoheap.com/blog/2013/01/06/using-mailmap-to-fix-authors-list-in-git/
 Erika Savell <esa46@uclive.ac.nz>
-Connor Taylor-Brown <cbt24@cs17086jp.canterbury.ac.nz> <cbt24@uclive.canterbury.ac.nz> 
+Connor Taylor-Brown <cbt24@cs17086jp.canterbury.ac.nz> <cbt24@uclive.canterbury.ac.nz>
+Fraser Cope <fjc40@uclive.ac.nz>

mock/src/main/java/seng302/App.java

@@ -10,6 +10,7 @@ import seng302.Model.Event;
 
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.IOException;
+import java.io.OutputStream;
 
 public class App extends Application {
 
@@ -25,9 +26,10 @@ public class App extends Application {
     @Override
     public void start(Stage primaryStage) {
         try {
+            OutputStream outputStream = System.out;//TEMP currently using System.out, but should replace this with tcp socket we are sending over.
             RaceDataSource raceData = new RaceXMLReader("raceXML/bermuda_AC35.xml");
             RegattaDataSource regattaData = new RegattaXMLReader("mockXML/regattaTest.xml");
-            Event raceEvent = new Event(raceData, regattaData);
+            Event raceEvent = new Event(raceData, regattaData, outputStream);
             raceEvent.start();
         } catch (IOException e) {
             e.printStackTrace();

mock/src/main/java/seng302/Constants.java

@@ -11,6 +11,9 @@ public class Constants {
 
     public static final int NMToMetersConversion = 1852; // 1 nautical mile = 1852 meters
 
+    //Knots x this = meters per second.
+    public static final double KnotsToMetersPerSecondConversionFactor = 0.514444;
+
     public static final GPSCoordinate startLineMarker1 = new GPSCoordinate(32.296577, -64.854304);
     public static final GPSCoordinate startLineMarker2 = new GPSCoordinate(32.293771, -64.855242);
     public static final GPSCoordinate mark1 = new GPSCoordinate(32.293039, -64.843983);

mock/src/main/java/seng302/Data/RaceData.java

@@ -18,6 +18,7 @@ import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
+import java.io.StringWriter;
 import java.time.OffsetDateTime;
 import java.util.List;
 
@@ -47,7 +48,7 @@ public class RaceData {
     }
 
 
-    public void createXML() {
+    public String createXML() {
 
         try {
             DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
@@ -148,14 +149,13 @@ public class RaceData {
             TransformerFactory transformerFactory = TransformerFactory.newInstance();
             Transformer transformer = transformerFactory.newTransformer();
             DOMSource source = new DOMSource(doc);
-            StreamResult result =  new StreamResult(System.out);
 
-            // Output to console for testing
-            // StreamResult result = new StreamResult(System.out);
+            //Serialize document.
+            StringWriter stringWriter = new StringWriter();
+            StreamResult result = new StreamResult(stringWriter);
+            transformer.transform(source,result);
 
-            transformer.transform(source, result);
-
-            System.out.println("File saved!");
+            return stringWriter.toString();
 
 
         } catch (ParserConfigurationException pce) {
@@ -164,6 +164,7 @@ public class RaceData {
             tfe.printStackTrace();
         }
 
+        return "";//TEMP this is probably bad. This shouldn't really be reached, but seems necessary due to the use of catches above.
     }
 
 

mock/src/main/java/seng302/Exceptions/InvalidBoatDataException.java

@@ -0,0 +1,21 @@
+package seng302.Exceptions;
+
+/**
+ * Created by f123 on 25-Apr-17.
+ */
+
+/**
+ * An exception thrown when we cannot generate Boats.xml and send an XML message.
+ */
+public class InvalidBoatDataException extends RuntimeException
+{
+
+    public InvalidBoatDataException()
+    {
+    }
+
+    public InvalidBoatDataException(String message)
+    {
+        super(message);
+    }
+}

mock/src/main/java/seng302/Exceptions/InvalidRaceDataException.java

@@ -0,0 +1,20 @@
+package seng302.Exceptions;
+
+/**
+ * Created by f123 on 25-Apr-17.
+ */
+
+/**
+ * Exception thrown when we cannot generate Race.xml data, and send an XML message.
+ */
+public class InvalidRaceDataException extends RuntimeException
+{
+    public InvalidRaceDataException()
+    {
+    }
+
+    public InvalidRaceDataException(String message)
+    {
+        super(message);
+    }
+}

mock/src/main/java/seng302/Exceptions/InvalidRegattaDataException.java

@@ -0,0 +1,20 @@
+package seng302.Exceptions;
+
+/**
+ * Created by f123 on 25-Apr-17.
+ */
+
+/**
+ * An exception thrown when a Regatta.xml message cannot be generated and sent.
+ */
+public class InvalidRegattaDataException extends RuntimeException
+{
+    public InvalidRegattaDataException()
+    {
+    }
+
+    public InvalidRegattaDataException(String message)
+    {
+        super(message);
+    }
+}

mock/src/main/java/seng302/Model/BoatInRace.java

@@ -29,6 +29,9 @@ public class BoatInRace extends Boat {
     private StringProperty position;
     private double heading;
 
+    ///While generating BoatLocationMessages, each one needs a sequence number relating to each boat.
+    private long sequenceNumber = 0;
+
     private boolean trackVisible = true;
 
     /**
@@ -263,4 +266,18 @@ public class BoatInRace extends Boat {
         this.position.set(position);
     }
 
+
+    /**
+     * Returns the current sequence number, and increments the internal value, such that that next call will return a value 1 larger than the current call.
+     * @return Current sequence number.
+     */
+    public long getNextSequenceNumber(){
+        //Make a copy of current value.
+        long oldNumber = this.sequenceNumber;
+        //Increment.
+        this.sequenceNumber += 1;
+        //Return the previous value.
+        return oldNumber;
+    }
+
 }

mock/src/main/java/seng302/Model/Event.java

@@ -6,15 +6,24 @@ import org.w3c.dom.Element;
 import seng302.Data.RaceData;
 import seng302.Mock.Regatta;
 import seng302.Mock.RegattaDataSource;
+import seng302.Exceptions.InvalidBoatDataException;
+import seng302.Exceptions.InvalidRaceDataException;
+import seng302.Exceptions.InvalidRegattaDataException;
 import seng302.Model.Race;
 import seng302.RaceDataSource;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.StringWriter;
 import java.util.List;
 
 /**
@@ -24,34 +33,50 @@ public class Event {
 
     RaceDataSource raceDataSource;
     RegattaDataSource regattaDataSource;
+    ///The stream to which we send all data.
+    private OutputStream outputStream;
 
-    public Event(RaceDataSource raceData, RegattaDataSource regattaData) {
+    public Event(RaceDataSource raceData, RegattaDataSource regattaData, OutputStream outputStream) {
         this.raceDataSource = raceData;
         this.regattaDataSource = regattaData;
+        this.outputStream = outputStream;
     }
 
-    public void start() {
+    public void start()
+    {
+        System.out.println("\nREGATTA DATA\n");//TEMP REMOVE debug
         sendRegattaData();
+        System.out.println("\nRACE DATA\n");//TEMP REMOVE debug
         sendRaceData();
+        System.out.println("\nBOAT DATA\n");//TEMP REMOVE debug
         sendBoatData();
 
-        Race newRace = new Race(raceDataSource, 15);
+        System.out.println("RACE STARTING!!\n\n");//TEMP REMOVE debug
+
+        Race newRace = new Race(raceDataSource, 15, this.outputStream);
         new Thread((newRace)).start();
     }
 
 
-    public void sendRegattaData() {
-        try {
+    public void sendRegattaData() throws InvalidRegattaDataException {
 
-            Regatta regatta = regattaDataSource.getRegatta();
+        Regatta regatta = regattaDataSource.getRegatta();
 
-            DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
-            DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
+        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
+        DocumentBuilder docBuilder = null;
+        try
+        {
+            docBuilder = docFactory.newDocumentBuilder();
+        }
+        catch (ParserConfigurationException e)
+        {
+            throw new InvalidRegattaDataException();
+        }
 
-            //root element
-            Document doc = docBuilder.newDocument();
-            Element rootElement = doc.createElement("RegattaConfig");
-            doc.appendChild(rootElement);
+        //root element
+        Document doc = docBuilder.newDocument();
+        Element rootElement = doc.createElement("RegattaConfig");
+        doc.appendChild(rootElement);
 
             //regattaID element
             Element regattaID = doc.createElement("RegattaID");
@@ -93,121 +118,199 @@ public class Event {
             magneticVariation.appendChild(doc.createTextNode(Double.toString(regatta.getMagneticVariation())));
             rootElement.appendChild(magneticVariation);
 
-            TransformerFactory trasformerFactory = TransformerFactory.newInstance();
-            Transformer transformer = trasformerFactory.newTransformer();
-            DOMSource source = new DOMSource(doc);
+        TransformerFactory transformerFactory = TransformerFactory.newInstance();
+        Transformer transformer = null;
+        try
+        {
+            transformer = transformerFactory.newTransformer();
+        }
+        catch (TransformerConfigurationException e)
+        {
+            throw new InvalidRegattaDataException();
+        }
+        DOMSource source = new DOMSource(doc);
+
+
 
-            //print XML object to check for correctness
-            StreamResult result = new StreamResult(System.out);
+        //Serialize document.
+        StringWriter stringWriter = new StringWriter();
+        StreamResult result = new StreamResult(stringWriter);
+        try
+        {
             transformer.transform(source,result);
+        }
+        catch (TransformerException e)
+        {
+            throw new InvalidRegattaDataException();
+        }
+        //TODO now we should place in XML message object.
+        //TODO now we should serialize xml message object.
+        //TODO now we should write serialized xml message over this.outputStream.
 
-        } catch (Exception e){
-            e.printStackTrace();
+        try
+        {
+            this.outputStream.write(stringWriter.toString().getBytes());//TEMP currently we output the XML doc, not the serialized message.
         }
+        catch (IOException e)
+        {
+            throw new InvalidRegattaDataException();
+        }
+
 
     }
 
-    public void sendRaceData() {
+    public void sendRaceData() throws InvalidRaceDataException
+    {
         RaceData raceData = new RaceData(raceDataSource);
-        raceData.createXML();
+        //Serialize race data to an XML as a string.
+        String xmlString = raceData.createXML();
+
+        //TODO now we should place in XML message object.
+        //TODO now we should serialize xml message object.
+        //TODO now we should write serialized xml message over this.outputStream.
+
+        try
+        {
+            this.outputStream.write(xmlString.getBytes());//TEMP currently we output the XML doc, not the serialized message.
+        }
+        catch (IOException e)
+        {
+            throw new InvalidRaceDataException();
+        }
     }
 
-    public void sendBoatData() {
+    public void sendBoatData() throws InvalidBoatDataException
+    {
 
 
         List<BoatInRace> boatData = raceDataSource.getBoats();
-        try {
 
-            DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
-            DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
 
-            //root element
-            Document doc = docBuilder.newDocument();
-            Element rootElement = doc.createElement("BoatConfig");
-            doc.appendChild(rootElement);
+        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
+        DocumentBuilder docBuilder = null;
 
-            //Boats element
-            Element boats = doc.createElement("Boats");
-            rootElement.appendChild(boats);
+        try
+        {
+            docBuilder = docFactory.newDocumentBuilder();
+        }
+        catch (ParserConfigurationException e)
+        {
+            throw new InvalidBoatDataException();
+        }
 
-            for (int i=0; i < boatData.size(); i++) {
+        //root element
+        Document doc = docBuilder.newDocument();
+        Element rootElement = doc.createElement("BoatConfig");
+        doc.appendChild(rootElement);
 
-                //Boat element
-                Element boat = doc.createElement("Boat");
+        //Boats element
+        Element boats = doc.createElement("Boats");
+        rootElement.appendChild(boats);
 
-                //Type attribute
-                Attr attrType = doc.createAttribute("Type");
-                attrType.setValue("Mark");
-                boat.setAttributeNode(attrType);
+        for (int i=0; i < boatData.size(); i++) {
 
-                //SourceID attribute
-                Attr attrSourceID = doc.createAttribute("SourceID");
-                attrSourceID.setValue(Integer.toString(boatData.get(i).getSourceID()));
-                boat.setAttributeNode(attrSourceID);
+            //Boat element
+            Element boat = doc.createElement("Boat");
 
-                //ShapeID attribute
-                Attr attrShapeID = doc.createAttribute("ShapeID");
-                attrShapeID.setValue("0");
-                boat.setAttributeNode(attrShapeID);
+            //Type attribute
+            Attr attrType = doc.createAttribute("Type");
+            attrType.setValue("Mark");
+            boat.setAttributeNode(attrType);
 
-                //HullNum attribute
-                Attr attrHullNum = doc.createAttribute("HullNum");
-                attrHullNum.setValue("RG01");
-                boat.setAttributeNode(attrHullNum);
+            //SourceID attribute
+            Attr attrSourceID = doc.createAttribute("SourceID");
+            attrSourceID.setValue(Integer.toString(boatData.get(i).getSourceID()));
+            boat.setAttributeNode(attrSourceID);
 
-                //StoweName attribute
-                Attr attrStoweName = doc.createAttribute("StoweName");
-                attrStoweName.setValue(boatData.get(i).getAbbrev());
-                boat.setAttributeNode(attrStoweName);
+            //ShapeID attribute
+            Attr attrShapeID = doc.createAttribute("ShapeID");
+            attrShapeID.setValue("0");
+            boat.setAttributeNode(attrShapeID);
 
-                //ShortName attribute
-                Attr attrShortName = doc.createAttribute("ShortName");
-                attrShortName.setValue(boatData.get(i).getAbbrev());
-                boat.setAttributeNode(attrShortName);
+            //HullNum attribute
+            Attr attrHullNum = doc.createAttribute("HullNum");
+            attrHullNum.setValue("RG01");
+            boat.setAttributeNode(attrHullNum);
 
-                //BoatName attribute
-                Attr attrBoatName = doc.createAttribute("BoatName");
-                attrBoatName.setValue(boatData.get(i).toString());
-                boat.setAttributeNode(attrBoatName);
+            //StoweName attribute
+            Attr attrStoweName = doc.createAttribute("StoweName");
+            attrStoweName.setValue(boatData.get(i).getAbbrev());
+            boat.setAttributeNode(attrStoweName);
 
-                //GPSCoord for element
-                Element GPSCoord = doc.createElement("GPSposition");
+            //ShortName attribute
+            Attr attrShortName = doc.createAttribute("ShortName");
+            attrShortName.setValue(boatData.get(i).getAbbrev());
+            boat.setAttributeNode(attrShortName);
 
-                //Z axis attribute
-                Attr attrZCoord = doc.createAttribute("Z");
-                attrZCoord.setValue("0");
-                GPSCoord.setAttributeNode(attrZCoord);
+            //BoatName attribute
+            Attr attrBoatName = doc.createAttribute("BoatName");
+            attrBoatName.setValue(boatData.get(i).toString());
+            boat.setAttributeNode(attrBoatName);
 
-                //Y axis attribute
-                Attr attrYCoord = doc.createAttribute("Y");
-                attrYCoord.setValue(Double.toString(boatData.get(i).getCurrentPosition().getLatitude()));
-                GPSCoord.setAttributeNode(attrYCoord);
+            //GPSCoord for element
+            Element GPSCoord = doc.createElement("GPSposition");
 
-                //X axis attribute
-                Attr attrXCoord = doc.createAttribute("X");
-                attrXCoord.setValue(Double.toString(boatData.get(i).getCurrentPosition().getLongitude()));
-                GPSCoord.setAttributeNode(attrXCoord);
+            //Z axis attribute
+            Attr attrZCoord = doc.createAttribute("Z");
+            attrZCoord.setValue("0");
+            GPSCoord.setAttributeNode(attrZCoord);
 
-                //Write GPSCoord to boat
-                boat.appendChild(GPSCoord);
+            //Y axis attribute
+            Attr attrYCoord = doc.createAttribute("Y");
+            attrYCoord.setValue(Double.toString(boatData.get(i).getCurrentPosition().getLatitude()));
+            GPSCoord.setAttributeNode(attrYCoord);
 
-                //Write boat to boats
-                boats.appendChild(boat);
+            //X axis attribute
+            Attr attrXCoord = doc.createAttribute("X");
+            attrXCoord.setValue(Double.toString(boatData.get(i).getCurrentPosition().getLongitude()));
+            GPSCoord.setAttributeNode(attrXCoord);
 
-            }
+            //Write GPSCoord to boat
+            boat.appendChild(GPSCoord);
 
-            TransformerFactory trasformerFactory = TransformerFactory.newInstance();
-            Transformer transformer = trasformerFactory.newTransformer();
-            DOMSource source = new DOMSource(doc);
+            //Write boat to boats
+            boats.appendChild(boat);
 
-            //print XML object to check for correctness
-            StreamResult result = new StreamResult(System.out);
+        }
+
+        TransformerFactory trasformerFactory = TransformerFactory.newInstance();
+        Transformer transformer = null;
+        try
+        {
+            transformer = trasformerFactory.newTransformer();
+        }
+        catch (TransformerConfigurationException e)
+        {
+            throw new InvalidBoatDataException();
+        }
+        DOMSource source = new DOMSource(doc);
+
+
+        //Serialize document.
+        StringWriter stringWriter = new StringWriter();
+        StreamResult result = new StreamResult(stringWriter);
+        try
+        {
             transformer.transform(source,result);
+        }
+        catch (TransformerException e)
+        {
+            throw new InvalidBoatDataException();
+        }
+        //TODO now we should place in XML message object.
+        //TODO now we should serialize xml message object.
+        //TODO now we should write serialized xml message over this.outputStream.
 
-        } catch (Exception e) {
-            e.printStackTrace();
+        try
+        {
+            this.outputStream.write(stringWriter.toString().getBytes());//TEMP currently we output the XML doc, not the serialized message.
+        }
+        catch (IOException e)
+        {
+            throw new InvalidBoatDataException();
         }
 
+
     }
 
 }

mock/src/main/java/seng302/Model/Race.java

@@ -11,9 +11,12 @@ import org.geotools.referencing.GeodeticCalculator;
 import seng302.Constants;
 import seng302.GPSCoordinate;
 import seng302.RaceDataSource;
+import seng302.RaceEventMessages.BoatLocationMessage;
 
 
 import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -38,26 +41,33 @@ public class Race implements Runnable {
 
     protected int PRERACE_TIME = 120000; //time in milliseconds to pause during pre-race
 
+    //Outputstream to write messages to.
+    private OutputStream outputStream;
+
     /**
      * Initailiser for Race
      *
      * @param boats Takes in an array of boats that are participating in the race.
      * @param legs  Number of marks in order that the boats pass in order to complete the race.
      * @param scaleFactor for race
+     * @param outputStream Outputstream to write messages to.
      */
-    public Race(List<BoatInRace> boats, List<Leg> legs, int scaleFactor) {
+    public Race(List<BoatInRace> boats, List<Leg> legs, int scaleFactor, OutputStream outputStream) {
 
         this.startingBoats = FXCollections.observableArrayList(boats);
         this.legs = legs;
         this.legs.add(new Leg("Finish", this.legs.size()));
         this.scaleFactor = scaleFactor;
+        this.outputStream = outputStream;
+
         if (startingBoats != null && startingBoats.size() > 0) {
             initialiseBoats();
         }
+
     }
 
-    public Race(RaceDataSource raceData,  int scaleFactor) {
-        this(raceData.getBoats(), raceData.getLegs(), scaleFactor);
+    public Race(RaceDataSource raceData, int scaleFactor, OutputStream outputStream) {
+        this(raceData.getBoats(), raceData.getLegs(), scaleFactor, outputStream);
     }
 
     /**
@@ -158,20 +168,70 @@ public class Race implements Runnable {
         }
 
         new AnimationTimer() {
-
-            long timeRaceStarted = System.currentTimeMillis(); //start time of loop
+            //Start time of loop.
+            long timeRaceStarted = System.currentTimeMillis();
 
             @Override
             public void handle(long arg0) {
                 if (boatsFinished < startingBoats.size()) {
-                    totalTimeElapsed = System.currentTimeMillis() - timeRaceStarted;
+                    //Get the current time.
+                    long currentTime = System.currentTimeMillis();
+                    //Update the total elapsed time.
+                    totalTimeElapsed = currentTime - timeRaceStarted;
 
+                    //For each boat, we update it's position, and generate a BoatLocationMessage.
                     for (BoatInRace boat : startingBoats) {
                         if (boat != null && !boat.isFinished()) {
+                            //Update position.
                             updatePosition(boat, Math.round(1000 / lastFPS) > 20 ? 15 : Math.round(1000 / lastFPS));
                             checkPosition(boat, totalTimeElapsed);
+
+
+                            //Generate a boat location message for the updated boat.
+                            BoatLocationMessage boatLocationMessage = new BoatLocationMessage();
+                            boatLocationMessage.setTime(currentTime);
+                            boatLocationMessage.setSourceID(boat.getSourceID());
+                            boatLocationMessage.setSequenceNumber(boat.getNextSequenceNumber());
+                            boatLocationMessage.setDeviceType(BoatLocationMessage.RacingYacht);
+
+                            boatLocationMessage.setLatitude(BoatLocationMessage.convertCoordinateDoubleToInt(boat.getCurrentPosition().getLatitude()));
+                            boatLocationMessage.setLongitude(BoatLocationMessage.convertCoordinateDoubleToInt(boat.getCurrentPosition().getLongitude()));
+
+                            boatLocationMessage.setAltitude(0);//Junk value.
+                            boatLocationMessage.setHeading(BoatLocationMessage.convertHeadingDoubleToInt(boat.getHeading()));
+
+                            boatLocationMessage.setPitch((short)0);//Junk value.
+                            boatLocationMessage.setRoll((short)0);//Junk value.
+
+                            boatLocationMessage.setBoatSpeed(BoatLocationMessage.convertBoatSpeedDoubleToInt(boat.getVelocity()));
+                            boatLocationMessage.setBoatCOG(0);//Junk value.
+                            boatLocationMessage.setBoatSOG(0);//Junk value.
+
+                            boatLocationMessage.setApparentWindSpeed(0);//Junk value.
+                            boatLocationMessage.setApparentWindAngle((short)0);//Junk value.
+                            boatLocationMessage.setTrueWindSpeed(0);//Junk value.
+                            boatLocationMessage.setTrueWindAngle((short)0);//Junk value.
+
+                            boatLocationMessage.setCurrentDrift(0);//Junk value.
+                            boatLocationMessage.setCurrentSet(0);//Junk value.
+                            boatLocationMessage.setRudderAngle((short)0);//Junk value.
+
+                            //We have finished creating the message.
+                            //TODO at this point, we need to send the event to the visualiser.
+                            //System.out.println(boatLocationMessage);//TEMP debug print
+                            try
+                            {
+                                //TODO we should actually serialize the boat message before writing to output.
+                                outputStream.write(boatLocationMessage.toString().getBytes());
+                            }
+                            catch (IOException e)
+                            {
+                                e.printStackTrace();
+                            }
+
+
                         } else {
-                            System.out.println("Race is over");
+                            System.out.println("Race is over");//TEMP debug print
                             //raceFinish =  true;
                             stop();
                         }
@@ -194,7 +254,7 @@ public class Race implements Runnable {
                     boat.setPosition("-");
             }
         }
-        System.out.println("=====");
+        System.out.println("=====");//TEMP debug print
     }
 
     public void initialiseBoats() {

mock/src/main/java/seng302/RaceEventMessages/BoatLocationMessage.java

@@ -4,6 +4,8 @@ package seng302.RaceEventMessages;
  * Created by f123 on 21-Apr-17.
  */
 
+import seng302.Constants;
+
 /**
  * Represents the information in a boat location message (AC streaming spec: 4.9).
  */
@@ -442,4 +444,112 @@ public class BoatLocationMessage
         return angleShort;
     }
 
+
+    /**
+     * Converts a double representing the speed of a boat in knots to an int in millimeters per second, as required by the streaming spec format.
+     * @param speed Speed in knots, stored as a double.
+     * @return Speed in millimeters per second, stored as an int (using only the two least significant bytes).
+     */
+    public static int convertBoatSpeedDoubleToInt(double speed)
+    {
+        //Calculate meters per second.
+        double metersPerSecond = speed * Constants.KnotsToMetersPerSecondConversionFactor;
+
+        //Calculate millimeters per second.
+        double millimetersPerSecond = metersPerSecond * 1000.0;
+
+        //Convert to an int.
+        int millimetersPerSecondInt = (int)Math.round(millimetersPerSecond);
+
+        return millimetersPerSecondInt;
+    }
+
+
+    /**
+     * Converts an int representing the speed of a boat in millimeters per second to a double in knots, as required by the streaming spec format.
+     * @param speed Speed in millimeters per second, stored as an int.
+     * @return Speed in knots, stored as a double.
+     */
+    public static double convertBoatSpeedIntToDouble(int speed)
+    {
+        //Calculate meters per second.
+        double metersPerSecond = speed / 1000.0;
+
+        //Calculate knots.
+        double knots = metersPerSecond / Constants.KnotsToMetersPerSecondConversionFactor;
+
+        return knots;
+    }
+
+
+    @Override
+    public String toString()
+    {
+        StringBuilder builder = new StringBuilder();
+
+        builder.append("Message version number: ");
+        builder.append(this.getMessageVersionNumber());
+
+        builder.append("\nTime: ");
+        builder.append(this.getTime());
+
+        builder.append("\nSource ID: ");
+        builder.append(this.getSourceID());
+
+        builder.append("\nSequence number: ");
+        builder.append(this.getSequenceNumber());
+
+        builder.append("\nDevice type: ");
+        builder.append(this.getDeviceType());
+
+        builder.append("\nLatitude: ");
+        builder.append(this.getLatitude());
+
+        builder.append("\nLongitude: ");
+        builder.append(this.getLongitude());
+
+        builder.append("\nAltitude: ");
+        builder.append(this.getAltitude());
+
+        builder.append("\nHeading: ");
+        builder.append(this.getHeading());
+
+        builder.append("\nPitch: ");
+        builder.append(this.getPitch());
+
+        builder.append("\nRoll: ");
+        builder.append(this.getRoll());
+
+        builder.append("\nBoat speed (mm/sec): ");
+        builder.append(this.getBoatSpeed());
+
+        builder.append("\nBoat COG: ");
+        builder.append(this.getBoatCOG());
+
+        builder.append("\nBoat SOG: ");
+        builder.append(this.getBoatSOG());
+
+        builder.append("\nApparent wind speed: ");
+        builder.append(this.getApparentWindSpeed());
+
+        builder.append("\nApparent wind angle: ");
+        builder.append(this.getApparentWindAngle());
+
+        builder.append("\nTrue wind speed: ");
+        builder.append(this.getTrueWindSpeed());
+
+        builder.append("\nTrue wind angle: ");
+        builder.append(this.getTrueWindAngle());
+
+        builder.append("\nCurrent drift: ");
+        builder.append(this.getCurrentDrift());
+
+        builder.append("\nCurrent set: ");
+        builder.append(this.getCurrentSet());
+
+        builder.append("\nRudder angle: ");
+        builder.append(this.getRudderAngle());
+
+        return builder.toString();
+    }
 }