Examples of org.json.JSONArray.optJSONObject()

org.json.JSONArray.optJSONObject()
Get the optional JSONObject associated with an index. Null is returned if the key is not found, or null if the index has no value, or if the value is not a JSONObject. @param index The index must be between 0 and length() - 1. @return A JSONObject value.

        final Set<String> keySet = new HashSet<String>();


        // Checks whether the specified json object has all keys defined,
        // and whether the type of its value is appropriate
        for (int i = 0; i < keysDescription.length(); i++) {
            final JSONObject keyDescription = keysDescription.optJSONObject(i);


            final String key = keyDescription.optString("name");


            keySet.add(key);

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            return null;
        }


        final JSONArray repositories = repositoriesDescription.optJSONArray("repositories");
        for (int i = 0; i < repositories.length(); i++) {
            final JSONObject repository = repositories.optJSONObject(i);
            if (repositoryName.equals(repository.optString("name"))) {
                return repository.optJSONArray("keys");
            }
        }

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                                       + "] description, please define it in repositories.json");
        }


        final Set<String> ret = new HashSet<String>();
        for (int i = 0; i < keys.length(); i++) {
            final JSONObject keyDescription = keys.optJSONObject(i);
            final String key = keyDescription.optString("name");


            ret.add(key);
        }

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    LogicFactory f = new LogicFactory();
    fLogics = new EntityQuery<Logic>();
    if (valid) {
      JSONArray logics = map.optJSONArray("logics");
      for (int i = 0; i < logics.length(); i++) fLogics.add(f.createFromJSON(logics.optJSONObject(i)));
    }
        
    fTiles = new byte[tilesets.length()][area];
    if (valid) {
      for (int j = 0; j < fTilesets.length; j++) {

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