resource.hpp

#ifndef RESOURCE_HPP
#define RESOURCE_HPP

#include "orthancaccess.hpp"
#include <QJsonDocument>
#include <QImage>
#include <QTemporaryFile>
#include <QMimeType>
#include <QBuffer>

namespace orthanc {
class Resource:public QObject{
	Q_OBJECT
	QString m_type;
	QIODevice &m_target;
protected:
	QNetworkReply *my_reply;
	int m_timeout;
private slots:
	void receive(qint64 bytesReceived, qint64 bytesTotal)const;
public:
	Resource(QString url, QString expected_type, QIODevice &target, int timeout, QObject *parent=NULL);
	virtual ~Resource();
	bool isReady() const;
	QUrl url() const;
	bool waitForFinished(int msec) const;
	QMetaObject::Connection connectFinished(QObject *obj, const char *slot);
};
class BufferedResource:public Resource{
	Q_OBJECT
	QBuffer buffer;
public:
	BufferedResource(QString url, QString expected_type, int timeout=1000, QObject *parent=NULL):
	Resource(url,expected_type,buffer,timeout,parent){buffer.open(QIODevice::ReadWrite);}
	QByteArray get()const;
};

class JsonResource:public BufferedResource{
	Q_OBJECT
public:
	JsonResource(QString url, int timeout=1000, QObject *parent=NULL):BufferedResource(url,"application/json",timeout,parent){}
	QJsonDocument get()const;
	static QJsonValue dig(QStringList path, const QJsonObject &obj);
	QJsonValue dig(const QString &path) const;
};

class ImageResource:public BufferedResource{
    Q_OBJECT
    QImage image;
public:
	ImageResource(QString url, QObject *parent=NULL):BufferedResource(url,"image/png",5000,parent){}
    QImage get()const;
};

}

#endif // RESOURCE_HPP