GSON parse Array in array in array

Question

I face this problem, from the API I'm getting an extens JSON with one object called coordinates, this object is an array that includes an array o array.

To be more clear look at this example:

"coordinates": [
                [
                    [
                        -0.087118,
                        51.508823
                    ]

Or in this pic you can see it better

So now I'm trying to parse it using GSON and I'm not being success. Can anyone give me an idea how to create the class for this?

Thank you

why not? because of the numbers? in the pic I'm using Json editor chrome extension. Anyways it's solved now — Marcel
– Marcel, Commented Nov 6, 2014 at 7:43
From the text example it's not clear if it's [[[x,y],[x,y]...]] or [[[x,y]],[[x,y]],...] — wvdz
– wvdz, Commented Nov 6, 2014 at 7:45

reactivemobile · Accepted Answer · 2014-11-04 15:30:00Z

5

public class Coordinate extends ArrayList<Arraylist<Arraylist<float>>>{
}

answered Nov 4, 2014 at 15:30

reactivemobile

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reactivemobile Over a year ago

Then say coordinate.get(0).get(0).get(0) etc

SteBra · Accepted Answer · 2014-11-04 15:48:24Z

0

I can give you an example, where you wouldn't use Gson, but you'll get the idea. Lets say that you put your JSON responce in a String called json

String json = ""coordinates": [[[-0.087118,51.508823]";

JSONArray firstArray = new JSONArray(json);
         for (int i =0; i < firstArray.length(); i++){

          JSONArray secondArray = firstArray.getJSONArray(i);
          for (int j =0; i < secondArray.length(); j++){

               JSONArray thirdArray = secondArray.JSONArray(j);
               for (int q =0; i < thirdArray.length(); q++){

                int x = thirdArray.getInteger("0");
                int y = thirdArray.getInteger("1");
               }
            }
  }

edited Nov 4, 2014 at 15:48

answered Nov 4, 2014 at 15:36

SteBra

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1 Comment

Marcel Over a year ago

thanks for the approach but there answer of @reactivemobile works

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