Gson HashMap Deserializer

gistfile1.txt

public class HashMapStringStringArrayDeserializer implements JsonDeserializer<HashMap<String, String[]>> {

    @Override
    public HashMap<String, String[]> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {

        Iterator<Map.Entry<String, JsonElement>> iterator = json.getAsJsonObject().entrySet().iterator();

        HashMap<String, String[]> map = new HashMap<>();

        while(iterator.hasNext()) {

            Map.Entry<String, JsonElement> next = iterator.next();

            JsonArray asJsonArray = next.getValue().getAsJsonArray();

            List<String> l = new ArrayList<>(asJsonArray.size());

            for (JsonElement j : asJsonArray) {
                 l.add(j.getAsString());
            }

            String[] x = new String[asJsonArray.size()];

            x = l.toArray(x);

            map.put(next.getKey(), x);
        }

        return map;
    }
}

public class HashMapStringStringDeserializer implements JsonDeserializer<HashMap<String, String>> {
    @Override
    public HashMap<String, String> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {

        Iterator<Map.Entry<String, JsonElement>> iterator = json.getAsJsonObject().entrySet().iterator();

        HashMap<String, String> map = new HashMap<>();

        while(iterator.hasNext()) {

            Map.Entry<String, JsonElement> next = iterator.next();

            String s = next.getValue().toString();

            map.put(next.getKey(), s);
        }

        return map;
    }
}