Read the test file

build.gradle

@@ -11,3 +11,10 @@ buildscript {
 }
 apply plugin: 'idea'
 apply plugin: 'kotlin'
+
+repositories {
+    jcenter()
+}
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}

src/main/kotlin/name/lamperi/orbital/main.kt

@@ -2,14 +2,44 @@ package name.lamperi.orbital;
 
 import java.io.File;
 
+// Latitude = South - North (-90...90)
+// Longitude = East West (-180...180)
+
+val EARTH_RADIUS = 6371.0; // KM
+
+data class Problem (
+        val seed : Double, val satellites : Set<Satellite>, val route : Route)
+
 data class Satellite (
-    val id : String, val lat : Double, val lon : Double, val height : Double)
+        val id : String, val lat : Double, val lon : Double, val height : Double)
 
 
-fun parseFile(file : java.io.File) {
-    //val contents = file.readText()
+data class Route (
+        val startLat : Double, val startLon : Double, val endLat : Double, val endLon : Double)
+
+
+fun parseFile(file : java.io.File) : Problem {
+    val contents : String = file.readText()
+    var seed : Double = contents.splitToSequence('\n').first().splitToSequence(':').last().toDouble()
+    val satellites : Set<Satellite> =  contents.splitToSequence('\n')
+            .filter { it.startsWith("SAT") }
+            .map {
+                val parts = it.split(',')
+                Satellite(id = parts[0], lat = parts[1].toDouble(),
+                    lon = parts[2].toDouble(), height = parts[3].toDouble())
+            }.toSet()
+    var route : Route = contents.splitToSequence('\n')
+            .filter { it.startsWith("ROUTE") }
+            .map {
+                val parts = it.split(',')
+                Route(startLat = parts[1].toDouble(), startLon = parts[2].toDouble(),
+                        endLat =  parts[3].toDouble(), endLon = parts[4].toDouble())
+            }.first()
+    return Problem(seed = seed, satellites = satellites, route = route)
 }
 
 fun main(args : Array<String>) {
-
+    val file = File("src/main/resources/satellites.txt")
+    val problem = parseFile(file)
+    println(problem)
 }