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added deserialization of the api response

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Sem van der Hoeven
2021-01-04 13:50:50 +01:00
parent d433565fef
commit 96f32ccdbc
4 changed files with 72 additions and 2 deletions
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35
app/src/main/java/com/a1/nextlocation/json/DirectionsResult.java
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@@ -1,5 +1,7 @@
package com.a1.nextlocation.json;
import android.util.Log;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
@@ -7,13 +9,18 @@ import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.osmdroid.util.GeoPoint;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;
public class DirectionsResult {
private static final String TAG = DirectionsResult.class.getCanonicalName();
private List<DirectionsStep> steps = new ArrayList<>();
private double distance;
private double duration;
private double[][] wayPointCoordinates;
public List<DirectionsStep> getSteps() {
return steps;
@@ -46,8 +53,21 @@ public class DirectionsResult {
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();
JsonObject feature = JsonParser.parseString(json).getAsJsonObject().get("features").getAsJsonArray().get(0).getAsJsonObject();
JsonObject properties = feature.get("properties").getAsJsonObject();
JsonArray wayPointCoordinates = feature.get("geometry").getAsJsonObject().getAsJsonArray("coordinates");
this.wayPointCoordinates = new double[wayPointCoordinates.size()][2];
for (int i = 0; i < wayPointCoordinates.size(); i++) {
JsonElement j = wayPointCoordinates.get(i);
JsonArray arr = j.getAsJsonArray();
this.wayPointCoordinates[i][0] = arr.get(0).getAsDouble();
this.wayPointCoordinates[i][1] = arr.get(1).getAsDouble();
}
JsonObject segment = properties.getAsJsonArray("segments").get(0).getAsJsonObject();
setDistance(segment.get("distance").getAsDouble());
setDuration(segment.get("duration").getAsDouble());
@@ -56,7 +76,18 @@ public class DirectionsResult {
for (JsonElement j : steps) {
DirectionsStep step = gson.fromJson(j,DirectionsStep.class);
double lat;
double longl;
for (int i = 0; i < 2; i++) {
lat = this.wayPointCoordinates[step.getWay_points().get(i)][0];
longl = this.wayPointCoordinates[step.getWay_points().get(i)][1];
step.getWaypoints()[i] = new GeoPoint(lat,longl);
}
addStep(step);
Log.d(TAG, "parse: added step" + step);
}
}
}