At first, I thought I embarassingly overlooked I was quoting the data
by myself, but nevertheless (strangely) I still get the same behaviour:
in the template:
var routes = ${routes};
in rendered page:
var routes = [["{\"longitude\":38.94441,\"latitude\":47.203542}",...
The corresponding code is now:
public String getRoutes() {
List<Route> routes = routeDAO.findAll();
JSONArray jsonRoutes = new JSONArray();
for (Route route : routes) {
JSONArray jsonRoutePoints = new JSONArray();
for (RoutePoint point : route.getPoints()) {
JSONObject jsonPoint = new JSONObject();
jsonPoint.put("latitude", point.getLatitude());
jsonPoint.put("longitude", point.getLongitude());
jsonRoutePoints.put(jsonPoint);
}
jsonRoutes.put(jsonRoutePoints);
}
return jsonRoutes.toString();
}
> jsonRoutePoints.put(jsonPoint)
> 2010/1/7 Yury Luneff <bitter...@ya.ru>:
>> Hello!
>>
>> I have following code:
>> public String getRoutes() {
>> List<Route> routes = routeDAO.findAll();
>> JSONArray jsonRoutes = new JSONArray();
>>
>> for (Route route : routes) {
>> JSONArray jsonRoutePoints = new JSONArray();
>> for (RoutePoint point : route.getPoints()) {
>> JSONObject jsonPoint = new JSONObject();
>> jsonPoint.put("latitude", point.getLatitude());
>> jsonPoint.put("longitude", point.getLongitude());
>> jsonRoutePoints.put(jsonPoint.toString());
>> }
>> jsonRoutes.put(jsonRoutePoints);
>> }
>> return jsonRoutes.toString();
>> }
>>
>> Goal is to get a JSON object that is accesible like
>> "routes[0][0].latitude". But nested JSON objects are quoted by "\"" when
>> the
>> jsonRoutes.toString() is called.
>>
>> I receive an array of strings like
>> "{"longitude":38.94441,"latitude":47.203542}"
>> for each jsonPoint variable instead of
>> {"longitude":38.94441,"latitude":47.203542}
>> for each one.
>>
>> This happens because JSONObject's toString doesn't treat its
>> nested instances the way it probably should do. If jsonobject has
>> nested object the whole nested object should not be escaped.
>>
>> I guess the problem relies somewhere around
>> JSONObject.valueToString method.
>>
>> Or am I using JSONObject/JSONArray in a wrong way?
>>
>>
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>>
--
С уважением,
Yury mailto:bitter...@ya.ru
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