C++ JsonDataAccess::hasError方法代码示例

bool LoginReply::parse(const QByteArray& data)
{
	JsonDataAccess jsonObject;
	QVariant node = jsonObject.loadFromBuffer(data);
	if (jsonObject.hasError()) {
		qWarning() << "error converting JSON data: " << jsonObject.error().errorMessage();
	} else {
		qDebug() << "before parse: " << QString(data);
		QVariantMap map = node.value<QVariantMap>();
		if (map["status"].toString() == "OK") {
			m_status = true;
			m_sessionKey = map["sessionKey"].toString();
			QVariantList friendList = map["friends"].value<QVariantList>();
			for (int i = 0; i < friendList.size(); i++) {
				m_ppIds.append(friendList[i].toString());
			}
			QVariantList pinList = map["pins"].value<QVariantList>();
			for (int i = 0; i < pinList.size(); i++) {
				m_pins.append(pinList[i].toString());
			}

			return true;
		}
	}

	return false;
}

void QBNetwork::onRequestUsers() {
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
	if (reply) {
		const int available = reply->bytesAvailable();
		if (available > 0) {
			const QByteArray buffer(reply->readAll());
			QString response = QString::fromUtf8(buffer);

			JsonDataAccess jda;
			QVariant qtData = jda.loadFromBuffer(response);
			if (jda.hasError()) {
				const DataAccessError err = jda.error();
				emit error(
						tr("Error converting JSON data: %1").arg(
								err.errorMessage()));
			} else {
				emit usersReceived(response);
			}
		} else {
			emit error("Wrong reply for request users request");
		}
		reply->deleteLater();
	} else {
		emit error("Wrong reply for request users request");
	}

	disconnectFromAll();
}

bool GetLocationsReply::parse(const QByteArray& data)
{
    JsonDataAccess jsonObject;
    QVariant node = jsonObject.loadFromBuffer(data);
    if (jsonObject.hasError()) {
        qWarning() << "error converting JSON data: " << jsonObject.error().errorMessage();
    } else {
        qDebug() << "before parse: " << QString(data);
        QVariantMap map = node.value<QVariantMap>();
        if (map["status"].toString() == "OK") {
            m_status = true;
            QVariantList friendList = map["friends"].value<QVariantList>();
            for (int i = 0; i < friendList.size(); i++) {
                QString friendStr = friendList[i].toString();
                QStringList fields = friendStr.split(",");
                // if incorrect number of fields, stop parsing
                if (fields.size() != 4) return false;
                QString ppId = fields.at(0);
                double x = fields.at(1).toDouble();
                double y = fields.at(2).toDouble();
                int visibility = fields.at(3).toInt();
                m_friends.append(User(ppId, x, y, visibility));
            }

            return true;
        }
    }

    return false;
}

void QBNetwork::onRequestSessionRegister() {
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());

	QString response;
	if (reply) {
		const int available = reply->bytesAvailable();
		if (available > 0) {
			const QByteArray buffer(reply->readAll());
			response = QString::fromUtf8(buffer);

			JsonDataAccess jda;
			QVariant qtData = jda.loadFromBuffer(response);
			if (jda.hasError()) {
				const DataAccessError err = jda.error();
				emit error(
						tr("Error converting JSON data: %1").arg(
								err.errorMessage()));
			} else {
				const QVariantMap object = qtData.value<QVariantMap>();
				QMapIterator<QString, QVariant> it(object);
				while (it.hasNext()) {
					it.next();
					if (it.key() == "session") {
						QVariantMap sessObject = it.value().toMap();
						QMapIterator<QString, QVariant> sit(sessObject);
						while (sit.hasNext()) {
							sit.next();
							if (sit.key() == "user_id") {
								m_userId = sit.value().toString();
							}
							if (sit.key() == "token") {
								m_token = sit.value().toString();
							}
						}
					}
				}

				if (m_token != NULL) {
					//register after we have session
					emit sessionEstablished();
					registerNewUser();
				} else {
					emit error("Wrong reply for register session request");
				}
			}
		} else {
			emit error("Wrong reply for register session request");
		}
		reply->deleteLater();
	} else {
		emit error("Wrong reply for register session request");
	}

	disconnectFromAll();
}

void ApplicationUI::startLevel(const QVariantList &indexPath)
{
	if (!m_gamePage) {
		QmlDocument *qml = QmlDocument::create("asset:///Game.qml").parent(this);
		qml->setContextProperty("_app", this);
		m_gamePage = qml->createRootObject<Page>();
		m_progressAnimation = m_gamePage->findChild<SequentialAnimation*>("progressAnimation");
	}

	if (indexPath.count() > 0)
		m_levelIndex = indexPath[0].toInt();
	else
		m_levelIndex = 0; // Uhoh?

	m_phase = COMPILE;
	m_selectedFunction = 0;
	setShouldShowFunctions(false);
	setIsInFunction(-1);
	Container *compileContainer = m_gamePage->findChild<Container*>("compilePhaseContainer");
	compileContainer->setVisible(true);

	m_gamePage->findChild<Container*>("tutorial1Container")->setProperty("state", 0);
	m_gamePage->findChild<Container*>("tutorial2Container")->setProperty("state", 0);
	m_gamePage->findChild<Container*>("tutorial3Container")->setProperty("state", 0);
	m_gamePage->findChild<Container*>("progressBar")->setTranslationX(0);
	m_gamePage->findChild<Container*>("creditsContainer")->setVisible(false);

	m_gamePage->findChild<Button*>("menuButton")->setText("Continue");
	m_gamePage->findChild<Container*>("menuContainer")->setVisible(false);

	QVariantMap levelInfo = m_levelList->dataModel()->data(indexPath).toMap();
	QString levelPath = levelInfo["level"].toString();
	JsonDataAccess jda;
	qDebug() << "Attempting to load " << levelPath;
	QVariantMap levelData = jda.load(levelPath).toMap();
	if (jda.hasError()) {
		bb::data::DataAccessError error = jda.error();
		qFatal("JSON loading error: %d: %s", error.errorType(), qPrintable(error.errorMessage()));
		return;
	} else {
		qDebug() << "JSON data loaded OK!";
	}

	setupLevel(levelData);
	setupQueue();

	m_navigationPane->push(m_gamePage);

	m_timer.setInterval(2000);

	m_gamePage->findChild<Container*>("compileFunctionContainer")->setVisible(m_functionCount > 0);
	drawSelectedFunction();
}

void QBNetwork::onRequestLogin() {
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
	QString response;
	if (reply) {
		if (reply->error() == QNetworkReply::NoError) {
			const int available = reply->bytesAvailable();
			if (available > 0) {
				const QByteArray buffer(reply->readAll());
				response = QString::fromUtf8(buffer);
				JsonDataAccess jda;
				QVariant qtData = jda.loadFromBuffer(response);
				if (jda.hasError()) {
					const DataAccessError err = jda.error();
					showError(
							tr("Error converting JSON data: %1").arg(
									err.errorMessage()));
				} else {
					const QVariantMap object = qtData.value<QVariantMap>();
					QMapIterator<QString, QVariant> it(object);
					while (it.hasNext()) {
						it.next();
						if (it.key() == "user") {
							QVariantMap sessObject = it.value().toMap();
							QMapIterator<QString, QVariant> sit(sessObject);
							while (sit.hasNext()) {
								sit.next();
								if (sit.key() == "id") {
									break;
								}
							}
						}
					}
				}
			}
		} else {
			if (reply->error() < 100) {
				showError("Please check your internet connection");
				return;
			}
			response =
					tr("Error: %1 status: %2").arg(reply->errorString(),
							reply->attribute(
									QNetworkRequest::HttpStatusCodeAttribute).toString());
		}
		reply->deleteLater();
	}
	requestUsers();
}

void ApplicationUI::loadSavedState()
{
	QString filePath(QDir::currentPath() + "/data/levelState.json");
	if (QFile::exists(filePath)) {
		JsonDataAccess jda;
		QVariantMap state = jda.load(filePath).toMap();
		if (jda.hasError())
			return;
		if (state.contains("levelAvailable")) {
			int levelAvailable = state["levelAvailable"].toInt();
			if (levelAvailable > 0) {
				setLevelAvailable(levelAvailable);
			}
		}
	}
	qDebug() << "Level available" << m_levelAvailable;
}

void ApplicationUI::saveState()
{
	qDebug() << "saving state to " << QDir::currentPath() + "/data/levelState.json";
	QVariantMap state;
	state["levelAvailable"] = m_levelAvailable;
	QFile file(QDir::currentPath() + "/data/levelState.json");
	if (file.open(QIODevice::WriteOnly)) {
		qDebug() << "opened file okay";
		JsonDataAccess jda;
		jda.save(state, &file);
		if (jda.hasError()) {
			qDebug("Failed to save: Json error\n");
		} else {
			qDebug("Saved");
		}
	}
}

//! [2]
void App::convertQtToJson()
{
    const QString result = tr("Converting ... ");
    setResult(result);
    setRhsTitleAndText(mRhsDefaultTitle, "");

    QString jsonBuffer;
    JsonDataAccess jda;
    jda.saveToBuffer(mQtData, &jsonBuffer);
    if (jda.hasError()) {
        const DataAccessError err = jda.error();
        const QString errorMsg = tr("Error converting Qt data to JSON: %1").arg(err.errorMessage());
        setResultAndState(errorMsg, QtDisplayed);
    } else {
        setRhsTitleAndText(tr("JSON Data from Qt"), jsonBuffer);
        setResultAndState(result + tr("Success"), ReadyToWrite);
    }
}

QVariant SongsDataModel::setupAlbumListModel()
{
    // Create a new GroupDataModel; the GroupDataModel is a helper class that ListView uses for data handling.
    // It uses in-memory storage so we can populate data.
    // We load the GroupDataModel with help from the JsonDataAcces function, load().
    JsonDataAccess jda;
    QDir home = QDir::home();
    QVariantMap existingAlbums = jda.load(home.absoluteFilePath("albumslist.json")).value<QVariantMap>();
    if (jda.hasError()) {
        bb::data::DataAccessError error = jda.error();
        qDebug() << "JSON loading error: " << error.errorType() << ": " << error.errorMessage();
        return QVariant();
    }

    // Sort on region in the model so we will get different categories.
    //m_albumsModel->insertList(existingAlbums);
    return existingAlbums;
}

//! [1]
void App::convertJsonToQt()
{
    const QString result = tr("Converting ... ");
    setResult(result);
    setRhsTitleAndText(mRhsDefaultTitle, "");
    setQtData (QVariant());

    JsonDataAccess jda;
    QVariant qtData = jda.loadFromBuffer(mJsonData);
    if (jda.hasError()) {
        const DataAccessError err = jda.error();
        const QString errorMsg = tr("Error converting JSON data: %1").arg(err.errorMessage());
        setResultAndState(errorMsg, JsonLoaded);
    } else {
        setQtData(qtData);
        const QtObjectFormatter fmt;
        setRhsTitleAndText(tr("Qt Data from JSON"), fmt.asString(qtData));
        setResultAndState(result + tr("Success"), QtDisplayed);
    }
}

void MyListModel::load(const QString& file_name)
{
    // clear model
    clear();
    // clear not filtered data cache
    m_data.clear();
    {
        JsonDataAccess jda;
        m_data = jda.load(file_name).toList();
        if (jda.hasError()) {
            DataAccessError error = jda.error();
            qDebug() << file_name << "JSON loading error: " << error.errorType() << ": " << error.errorMessage();
        }
        else {
            qDebug() << file_name << "JSON data loaded OK!";
            // when loaded, show all data (no filtering)
            append(m_data);
        }
    }
}

void ApplicationUI::onInvoked(const bb::system::InvokeRequest &request)
{
    qDebug() << "XXXX Received invoke=" << request.action();

    if (request.action().compare(WAKEME_INVOKE_ACTION_STARTAPP) == 0) {

        qDebug() << "XXXX Application Started started via Invoke with data: " << request.data().data() << endl;

        JsonDataAccess jda;
        QVariant parsedPayload = jda.loadFromBuffer(request.data());
        if (!jda.hasError()) {
            handleBeaconEvent(parsedPayload.toMap());
        } else {
            qWarning() << "XXXX ApplicationUI::onInvoked() - JSON parse error" << request.data() << endl;
        }

    } else {
        qWarning() << "XXXX received invocation request we don't handle:" << request.action() << endl;
    }
}

void ApplicationUI::onReadyRead() {
    QByteArray readData = _socket->readAll();
    qDebug() << "XXXX Read: " << readData.constData() << endl;

    JsonDataAccess jda;
    QVariant parsedPayload = jda.loadFromBuffer(readData);
    if (!jda.hasError()) {
        QVariantMap payload = parsedPayload.toMap();
        QString type = payload["TYPE"].toString();

        if (type.compare("STATUS") == 0) {
            QDateTime timeStamp = qvariant_cast<QDateTime>(payload["TIME_STAMP"]);

            bool serverUp = qvariant_cast<bool>(payload["SERVER_UP"]);
            bool scanning = qvariant_cast<bool>(payload["SCANNING"]);
            bool btInitialised = qvariant_cast<bool>(payload["BT_INIT"]);
            bool btRadioOn = qvariant_cast<bool>(payload["BT_RADIO_ON"]);

            qDebug() << "XXXX timeStamp: " << timeStamp << endl;
            qDebug() << "XXXX serverUp: " << serverUp << endl;
            qDebug() << "XXXX scanning: " << scanning << endl;
            qDebug() << "XXXX BT Initialised: " << btInitialised << endl;
            qDebug() << "XXXX BT Radio On: " << btRadioOn << endl;

            _scanning = scanning;
            emit scanStateChanged(_scanning);

            if (btRadioOn) {
                emit message("Bluetooth Radio is ON");
            } else {
                emit message("Bluetooth Radio is OFF -- please enable it");
            }

        } else if ((type.compare("BEACON-ENTER-RANGE") == 0) || (type.compare("BEACON-EXIT-RANGE") == 0)) {
            handleBeaconEvent(payload);
        }
    } else {
        qWarning() << "XXXX ApplicationUI::onReadyRead() - JSON parse error" << readData.constData() << endl;
    }
}

void QBNetwork::onRegistrationNewUser() {
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());

	if (reply) {
		const int available = reply->bytesAvailable();
		if (available > 0) {
			const QByteArray buffer(reply->readAll());
			QString response = QString::fromUtf8(buffer);

			JsonDataAccess jda;
			QVariant qtData = jda.loadFromBuffer(response);
			if (jda.hasError()) {
				const DataAccessError err = jda.error();
				emit error(
						tr("Error converting JSON data: %1").arg(
								err.errorMessage()));
			} else {
				QVariantMap userDetails = qtData.toMap()["user"].toMap();
				if (userDetails.contains("id")) {
					m_userId = userDetails["id"].toString();
				}
			}

			if (m_token != NULL && m_userId != NULL) {
				emit registered();
//					requestLogin();
			}
		} else {
			emit error("Wrong reply for register new user request");
		}
		reply->deleteLater();
	} else {
		emit error("Wrong reply for register new user request");
	}

	disconnectFromAll();
}