@Override
public GHResponse route(GHRequest request) {
try {
String places = "";
for (GHPoint p : request.getPoints()) {
places += "point=" + p.lat + "," + p.lon + "&";
}
boolean tmpInstructions = request.getHints().getBool("instructions", instructions);
boolean tmpCalcPoints = request.getHints().getBool("calc_points", calcPoints);
if (tmpInstructions && !tmpCalcPoints)
throw new IllegalStateException(
"Cannot calculate instructions without points (only points without instructions). "
+ "Use calc_points=false and instructions=false to disable point and instruction calculation");
boolean tmpElevation = request.getHints().getBool("elevation", elevation);
String url =
routeServiceUrl
+ "?"
+ places
+ "&type=json"
+ "&instructions="
+ tmpInstructions
+ "&points_encoded=true"
+ "&calc_points="
+ tmpCalcPoints
+ "&algorithm="
+ request.getAlgorithm()
+ "&locale="
+ request.getLocale().toString()
+ "&elevation="
+ tmpElevation;
if (!request.getVehicle().isEmpty()) url += "&vehicle=" + request.getVehicle();
if (!key.isEmpty()) url += "&key=" + key;
for (Entry<String, String> entry : request.getHints().toMap().entrySet()) {
String urlKey = entry.getKey();
String urlValue = entry.getValue();
// use lower case conversion for check only!
if (ignoreSet.contains(urlKey.toLowerCase())) continue;
if (urlValue != null && !urlValue.isEmpty())
url += "&" + WebHelper.encodeURL(urlKey) + "=" + WebHelper.encodeURL(urlValue);
}
String str = downloader.downloadAsString(url, true);
JSONObject json = new JSONObject(str);
GHResponse res = new GHResponse();
res.addErrors(readErrors(json));
if (res.hasErrors()) return res;
JSONArray paths = json.getJSONArray("paths");
for (int index = 0; index < paths.length(); index++) {
JSONObject path = paths.getJSONObject(index);
PathWrapper altRsp = createPathWrapper(path, tmpCalcPoints, tmpInstructions, tmpElevation);
res.add(altRsp);
}
return res;
} catch (Exception ex) {
throw new RuntimeException(
"Problem while fetching path " + request.getPoints() + ": " + ex.getMessage(), ex);
}
}
