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added getting directions for whole route

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Sem van der Hoeven
2021-01-04 15:20:24 +01:00
parent 96f32ccdbc
commit 5e218f3b99
4 changed files with 209 additions and 15 deletions
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99
app/src/main/java/com/a1/nextlocation/json/DirectionsResult.java
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@@ -8,7 +8,9 @@ import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
import org.json.JSONArray;
import org.osmdroid.util.GeoPoint;
import java.lang.reflect.Array;
@@ -50,6 +52,10 @@ public class DirectionsResult {
this.steps.add(step);
}
/**
* parses a given json string into this object. It gets all the waypoints and steps and combines them so that every step also has the correct coordinates associated with it
* @param json the json string to parse.
*/
public void parse(String json) {
Gson gson = new GsonBuilder().setPrettyPrinting().create();
@@ -59,6 +65,7 @@ public class DirectionsResult {
this.wayPointCoordinates = new double[wayPointCoordinates.size()][2];
// fill the way point coordinates list for later use
for (int i = 0; i < wayPointCoordinates.size(); i++) {
JsonElement j = wayPointCoordinates.get(i);
JsonArray arr = j.getAsJsonArray();
@@ -67,27 +74,91 @@ public class DirectionsResult {
}
JsonObject segment = properties.getAsJsonArray("segments").get(0).getAsJsonObject();
JsonArray segments = properties.getAsJsonArray("segments");
setDistance(segment.get("distance").getAsDouble());
setDuration(segment.get("duration").getAsDouble());
for (JsonElement element : segments) {
JsonObject segment = element.getAsJsonObject();
JsonArray steps = segment.getAsJsonArray("steps");
setDistance(segment.get("distance").getAsDouble());
setDuration(segment.get("duration").getAsDouble());
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);
JsonArray steps = segment.getAsJsonArray("steps");
for (JsonElement j : steps) {
DirectionsStep step = gson.fromJson(j,DirectionsStep.class);
double lat;
double longl;
// kinda stinky but it works
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);
}
}
}
public void parseRoute(String json) {
Gson gson = new GsonBuilder().setPrettyPrinting().create();
JsonArray routes = JsonParser.parseString(json).getAsJsonObject().getAsJsonArray("routes");
for (JsonElement element : routes) {
JsonObject route = element.getAsJsonObject();
JsonObject summary = route.getAsJsonObject("summary");
this.distance = summary.get("distance").getAsDouble();
this.duration = summary.get("duration").getAsDouble();
JsonPrimitive geometry = route.getAsJsonPrimitive("geometry");
JsonArray wayPointCoordinates = GeometryDecoder.decodeGeometry(geometry.getAsString(),false);
this.wayPointCoordinates = new double[wayPointCoordinates.size()][2];
// fill the way point coordinates list for later use
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();
}
JsonArray segments = route.getAsJsonArray("segments");
for (JsonElement e : segments) {
JsonObject segment = e.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);
double lat;
double longl;
// kinda stinky but it works
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);
}
}
addStep(step);
Log.d(TAG, "parse: added step" + step);
}
}
}