Example usage for com.google.gson JsonNull INSTANCE

Introduction

In this page you can find the example usage for com.google.gson JsonNull INSTANCE.

Prototype

JsonNull INSTANCE

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Document

singleton for JsonNull

Usage

From source file:com.money.manager.ex.investment.prices.FixerService.java

License:Open Source License

private SecurityPriceModel getSecurityPriceFor(Map.Entry<String, JsonElement> quote, String dateString) {
    SecurityPriceModel priceModel = new SecurityPriceModel();
    priceModel.symbol = quote.getKey();/*from  w w  w  .  ja  v a2  s  .co  m*/

    UIHelper ui = new UIHelper(getContext());

    // Price

    JsonElement priceElement = quote.getValue();
    if (priceElement == JsonNull.INSTANCE) {
        ui.showToast(
                getContext().getString(R.string.error_no_price_found_for_symbol) + " " + priceModel.symbol);
        return null;
    }
    String priceString = priceElement.getAsString();
    if (!NumericHelper.isNumeric(priceString)) {
        ui.showToast(
                getContext().getString(R.string.error_no_price_found_for_symbol) + " " + priceModel.symbol);
        return null;
    }

    Money retrievedPrice = MoneyFactory.fromString(priceString);
    // invert the price. Round to 10 decimals.
    BigDecimal invertedPrice = BigDecimal.ONE.divide(retrievedPrice.toBigDecimal(), 10, RoundingMode.HALF_EVEN);
    priceModel.price = MoneyFactory.fromBigDecimal(invertedPrice);

    // Date

    Date date = new MmxDate(dateString).toDate();
    priceModel.date = date;

    return priceModel;
}

From source file:com.money.manager.ex.investment.yql.YqlSecurityPriceUpdaterRetrofit.java

License:Open Source License

private SecurityPriceModel getSecurityPriceFor(JsonObject quote) {
    SecurityPriceModel priceModel = new SecurityPriceModel();
    priceModel.symbol = quote.get("symbol").getAsString();

    ExceptionHandler handler = new ExceptionHandler(getContext(), this);

    // Price/*ww  w  . ja va  2 s.  co  m*/

    JsonElement priceElement = quote.get("LastTradePriceOnly");
    if (priceElement == JsonNull.INSTANCE) {
        handler.showMessage(
                getContext().getString(R.string.error_no_price_found_for_symbol) + " " + priceModel.symbol);
        return null;
    }
    String priceString = priceElement.getAsString();
    if (!NumericHelper.isNumeric(priceString)) {
        handler.showMessage(
                getContext().getString(R.string.error_no_price_found_for_symbol) + " " + priceModel.symbol);
        return null;
    }

    priceModel.price = readPrice(priceString, quote);

    // Date

    Date date = new MmxDate().toDate();
    JsonElement dateElement = quote.get("LastTradeDate");
    if (dateElement != JsonNull.INSTANCE) {
        // Sometimes the date is not available. For now we will use today's date.
        date = new MmxDate(dateElement.getAsString(), "MM/dd/yyyy").toDate();
    }
    priceModel.date = date;

    return priceModel;
}

From source file:com.relayrides.pushy.apns.DateAsMillisecondsSinceEpochTypeAdapter.java

License:Open Source License

@Override
public JsonElement serialize(final Date src, final Type typeOfSrc, final JsonSerializationContext context) {
    final JsonElement element;

    if (src != null) {
        element = new JsonPrimitive(src.getTime());
    } else {//from w  ww.  jav a2  s .  c o m
        element = JsonNull.INSTANCE;
    }

    return element;
}

From source file:com.relayrides.pushy.apns.DateAsSecondsSinceEpochTypeAdapter.java

License:Open Source License

@Override
public JsonElement serialize(final Date src, final Type typeOfSrc, final JsonSerializationContext context) {
    final JsonElement element;

    if (src != null) {
        element = new JsonPrimitive(src.getTime() / 1000);
    } else {/*from   w w w .j a  v a 2  s .  c  o m*/
        element = JsonNull.INSTANCE;
    }

    return element;
}

From source file:com.relayrides.pushy.apns.DateAsTimeSinceEpochTypeAdapter.java

License:Open Source License

@Override
public JsonElement serialize(final Date src, final Type typeOfSrc, final JsonSerializationContext context) {
    final JsonElement element;

    if (src != null) {
        element = new JsonPrimitive(this.timeUnit.convert(src.getTime(), TimeUnit.MILLISECONDS));
    } else {/* w ww . ja v  a  2 s .co m*/
        element = JsonNull.INSTANCE;
    }

    return element;
}

From source file:com.sixt.service.framework.jetty.JsonHandler.java

License:Apache License

@SuppressWarnings("unchecked")
private JsonRpcResponse dispatchJsonRpcRequest(JsonRpcRequest rpcRequest, OrangeContext cxt) {
    ServiceMethodHandler handler = handlers.getMethodHandler(rpcRequest.getMethod());
    Message innerRequest = convertJsonToProtobuf(handler, rpcRequest);
    JsonRpcResponse jsonResponse = new JsonRpcResponse(rpcRequest.getId(), JsonNull.INSTANCE, JsonNull.INSTANCE,
            HttpServletResponse.SC_OK);/*ww w  . j  a v  a 2  s.  co m*/
    JsonElement idElement = rpcRequest.getId();
    if (idElement == null) {
        jsonResponse.setId(new JsonPrimitive(-1));
    }
    try {
        Message innerResponse = invokeHandlerChain(rpcRequest.getMethod(), handler, innerRequest, cxt);
        jsonResponse.setResult(ProtobufUtil.protobufToJson(innerResponse));
    } catch (RpcCallException rpcEx) {
        logger.warn("Error processing request", rpcEx);
        jsonResponse.setError(rpcEx.toJson());
        jsonResponse.setStatusCode(rpcEx.getCategory().getHttpStatus());
    } catch (Exception ex) {
        logger.warn("Error processing request", ex);
        jsonResponse.setError(new JsonPrimitive(ex.getMessage()));
        jsonResponse.setStatusCode(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
    return jsonResponse;
}

From source file:com.sixt.service.framework.json.JsonUtil.java

License:Apache License

public static JsonRpcResponse parseJsonRpcResponse(String rawResponse) {
    JsonParser parser = new JsonParser();
    JsonObject response = parser.parse(rawResponse).getAsJsonObject();
    JsonElement id = response.get("id");
    JsonElement errorElement = response.get("error");
    int responseStatus = HttpServletResponse.SC_OK;
    String error;/*from   w ww .  j  av  a  2s .  c  om*/
    if (!(errorElement instanceof JsonNull)) {
        if (errorElement instanceof JsonObject) {
            error = errorElement.toString();
            // try parsing it into RpcCallException to get the HttpStatus from there
            RpcCallException rpcEx = RpcCallException.fromJson(error);
            if (rpcEx != null) {
                responseStatus = rpcEx.getCategory().getHttpStatus();
                JsonElement resultElement = response.get("result");
                return new JsonRpcResponse(id, resultElement == null ? JsonNull.INSTANCE : resultElement,
                        errorElement, responseStatus);
            }
        }
        error = errorElement.getAsString();
        if (StringUtils.isNotBlank(error)) {
            responseStatus = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
        }
    }

    JsonElement resultElement = response.get("result");
    return new JsonRpcResponse(id, resultElement == null ? JsonNull.INSTANCE : resultElement, errorElement,
            responseStatus);
}

From source file:com.synflow.cx.internal.instantiation.properties.JsonMaker.java

License:Open Source License

@Override
public JsonNull caseNull(Null null_) {
    return JsonNull.INSTANCE;
}

From source file:com.talvish.tales.serialization.json.translators.ArrayToJsonArrayTranslator.java

License:Apache License

/**
 * Translates the received object into a json array.
 * If the object is of the wrong type, a TranslationException will occur.
 *//*from www  .ja v  a  2s . com*/
@Override
public Object translate(Object anObject) {
    Object returnValue;

    if (anObject == null) {
        returnValue = JsonNull.INSTANCE;
    } else {
        try {
            if (anObject.getClass().isArray()) {
                int arrayLength = Array.getLength(anObject);
                if (arrayLength != 1 || !writeSingle) {
                    JsonArray jsonArray = new JsonArray();
                    for (int count = 0; count < arrayLength; count += 1) {
                        jsonArray.add((JsonElement) elementTranslator.translate(Array.get(anObject, count)));
                    }
                    returnValue = jsonArray;
                } else {
                    // this happens we are allowing the single item arrays to be written out as a non-array
                    returnValue = (JsonElement) elementTranslator.translate(Array.get(anObject, 0));
                }
            } else {
                throw new TranslationException(String.format(
                        "Received a '%s' instead of an array, so unable to translate into a json array.",
                        anObject.getClass().getName()));
            }
        } catch (ClassCastException e) {
            throw new TranslationException(e);
        }
    }
    return returnValue;
}

From source file:com.talvish.tales.serialization.json.translators.BooleanToJsonPrimitiveTranslator.java

License:Apache License

/**
 * Translates the received object into a json primitive.
 * If the object is of the wrong type, a TranslationException will occur.
 *///from   w  w w . j a v a2  s  .co m
@Override
public Object translate(Object anObject) {
    try {
        if (anObject == null) {
            return JsonNull.INSTANCE;
        } else {
            return new JsonPrimitive((Boolean) anObject);
        }
    } catch (ClassCastException e) {
        throw new TranslationException(e);
    }
}