Updated routingAPI to privde a list of moves isntead of raw coordinates, DrivingRoute.txt added to simulate that generation

DrivingRoute.txt

@@ -0,0 +1,12 @@
+FWD;0.2;20
+LEFT;0.044;20
+LEFT;0.1;35
+LEFT;3.0;45
+RIGHT;2.3;50
+LEFT;0.3;50
+FWD;9.6;70
+RIGHT;0.3;50
+RIGHT;0.2;35
+LEFT;0.2;35
+LEFT;0.4;35
+RIGHT;0.08;20

HelperFunctions.java

@@ -1,3 +1,8 @@
+import java.util.Vector;
+import java.nio.file.Paths;
+import java.util.Scanner;
+import java.io.IOException;
+
 //a collection of helper functions to act as responses for otherwise
 //external calls in this implementation for demo purposes
 
@@ -18,35 +23,25 @@ public class HelperFunctions {
         return returnArray;
     }
 
-    public double[][] routingAPI(double[] startCoords, double[] destinationCoords, Boolean tollsFlag, Boolean hwyFlag) {
-        //ideally this would return a series of coordinates, but for the sake of the demo it's just
-        //going to concatenate the start and end into a 2x2 array with just those two steps
-        //speed is also returned in MPH for the expected points as the third index in the array's second dimension
-        double[][] routeArray = new double[2][3];
+    public Object[] routingAPI(double[] startCoords, double[] destinationCoords, Boolean tollsFlag, Boolean hwyFlag) {
+        //method simulates a call to translate two pairs of coords into a driving route
+        //for demo purposes returns a pregenerated set of move instructions
+        //located in DrivingRoute.txt as semicolon delimited strings for direction, distance, and speedLimit
+        Vector<String[]> routeArray = new Vector<String[]>();
         if (tollsFlag && hwyFlag) { //provides a result that both avoid tolls and major highways
-            routeArray[0] = startCoords;
-            routeArray[1] = destinationCoords;
-            routeArray[0][2] = 45; //avg speed leg 1
-            routeArray[0][3] = 0; //tolls leg 1
-            routeArray[1][2] = 45; //avg speed leg 2
-            routeArray[1][3] = 0; //tolls leg 2
         } else if (tollsFlag && !hwyFlag) { //provides a result that avoids tolls but not major highways
-            routeArray[0][2] = 60; //avg speed leg 1
-            routeArray[0][3] = 0; //tolls leg 1
-            routeArray[1][2] = 45; //avg speed leg 2
-            routeArray[1][3] = 0; //tolls leg 2
         } else if (!tollsFlag && hwyFlag) { //provides a result that does not avoid tolls and does avoid major highways
-            routeArray[0][2] = 45; //avg speed leg 1
-            routeArray[0][3] = 1.50; //tolls leg 1
-            routeArray[1][2] = 45; //avg speed leg 2
-            routeArray[1][3] = 0; //tolls leg 2
         } else if (!tollsFlag && !hwyFlag) { //provides a result that does not avoid tolls or major highways
-            routeArray[0][2] = 60; //avg speed leg 1
-            routeArray[0][3] = 1.50; //tolls leg 1
-            routeArray[1][2] = 45; //avg speed leg 2
-            routeArray[1][3] = 0; //tolls leg 2
+            try (Scanner infile = new Scanner(Paths.get("DrivingRoute.txt"))) {
+                while (infile.hasNext()) {
+                    routeArray.addElement(infile.nextLine().split(";"));
+                }
+            } catch (IOException e) {
+                System.err.println("File handling error");
+            }
+
         }
-        return routeArray;
+        return routeArray.toArray();
     }
 
     public int[] internalTempSensors() {