added parsing of directions response

app/src/main/java/com/a1/nextlocation/json/DirectionsResult.java

@@ -0,0 +1,62 @@
+package com.a1.nextlocation.json;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DirectionsResult {
+    private List<DirectionsStep> steps = new ArrayList<>();
+    private double distance;
+    private double duration;
+
+    public List<DirectionsStep> getSteps() {
+        return steps;
+    }
+
+    public void setSteps(List<DirectionsStep> steps) {
+        this.steps = steps;
+    }
+
+    public double getDistance() {
+        return distance;
+    }
+
+    public void setDistance(double distance) {
+        this.distance = distance;
+    }
+
+    public double getDuration() {
+        return duration;
+    }
+
+    public void setDuration(double duration) {
+        this.duration = duration;
+    }
+
+    public void addStep(DirectionsStep step) {
+        this.steps.add(step);
+    }
+
+    public void parse(String json) {
+
+        Gson gson = new GsonBuilder().setPrettyPrinting().create();
+        JsonObject features = JsonParser.parseString(json).getAsJsonObject().get("features").getAsJsonArray().get(0).getAsJsonObject();
+        JsonObject segment = features.get("properties").getAsJsonObject().getAsJsonArray("segments").get(0).getAsJsonObject();
+
+        setDistance(segment.get("distance").getAsDouble());
+        setDuration(segment.get("duration").getAsDouble());
+
+        JsonArray steps = segment.getAsJsonArray("steps");
+
+        for (JsonElement j : steps) {
+            DirectionsStep step = gson.fromJson(j,DirectionsStep.class);
+            addStep(step);
+        }
+    }
+}