Qt 4.8
qabstractnetworkcache.h
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41 
42 #ifndef QABSTRACTNETWORKCACHE_H
43 #define QABSTRACTNETWORKCACHE_H
44 
45 #include <QtCore/qobject.h>
46 #include <QtCore/qshareddata.h>
47 #include <QtCore/qpair.h>
48 #include <QtNetwork/qnetworkrequest.h>
49 
51 
53 
54 QT_MODULE(Network)
55 
56 class QIODevice;
57 class QDateTime;
58 class QUrl;
59 template<class T> class QList;
60 
63 {
64 
65 public:
69 
73 
74  QNetworkCacheMetaData &operator=(const QNetworkCacheMetaData &other);
75  bool operator==(const QNetworkCacheMetaData &other) const;
76  inline bool operator!=(const QNetworkCacheMetaData &other) const
77  { return !(*this == other); }
78 
79  bool isValid() const;
80 
81  QUrl url() const;
82  void setUrl(const QUrl &url);
83 
84  RawHeaderList rawHeaders() const;
85  void setRawHeaders(const RawHeaderList &headers);
86 
87  QDateTime lastModified() const;
88  void setLastModified(const QDateTime &dateTime);
89 
90  QDateTime expirationDate() const;
91  void setExpirationDate(const QDateTime &dateTime);
92 
93  bool saveToDisk() const;
94  void setSaveToDisk(bool allow);
95 
96  AttributesMap attributes() const;
97  void setAttributes(const AttributesMap &attributes);
98 
99 private:
102 };
103 
106 
107 
110 {
111  Q_OBJECT
112 
113 public:
114  virtual ~QAbstractNetworkCache();
115 
116  virtual QNetworkCacheMetaData metaData(const QUrl &url) = 0;
117  virtual void updateMetaData(const QNetworkCacheMetaData &metaData) = 0;
118  virtual QIODevice *data(const QUrl &url) = 0;
119  virtual bool remove(const QUrl &url) = 0;
120  virtual qint64 cacheSize() const = 0;
121 
122  virtual QIODevice *prepare(const QNetworkCacheMetaData &metaData) = 0;
123  virtual void insert(QIODevice *device) = 0;
124 
125 public Q_SLOTS:
126  virtual void clear() = 0;
127 
128 protected:
129  explicit QAbstractNetworkCache(QObject *parent = 0);
131 
132 private:
135 };
136 
138 
140 
141 #endif
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
static void clear(QVariant::Private *d)
Definition: qvariant.cpp:197
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
#define Q_SLOTS
Definition: qobjectdefs.h:71
The QUrl class provides a convenient interface for working with URLs.
Definition: qurl.h:61
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
bool operator!=(const QNetworkCacheMetaData &other) const
Returns true if this meta data is not equal to the other meta data; otherwise returns false...
static const char * data(const QByteArray &arr)
__int64 qint64
Definition: qglobal.h:942
QSharedDataPointer< QNetworkCacheMetaDataPrivate > d
QList< RawHeader > RawHeaderList
Synonym for QList<RawHeader>
#define Q_OBJECT
Definition: qobjectdefs.h:157
The QDateTime class provides date and time functions.
Definition: qdatetime.h:216
#define Q_NETWORK_EXPORT
Definition: qglobal.h:1452
QPair< QByteArray, QByteArray > RawHeader
Synonym for QPair<QByteArray, QByteArray>
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
The QDataStream class provides serialization of binary data to a QIODevice.
Definition: qdatastream.h:71
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition: qiodevice.h:66
#define QT_END_HEADER
Definition: qglobal.h:137
bool operator==(QBool b1, bool b2)
Definition: qglobal.h:2023
Q_NETWORK_EXPORT QDataStream & operator>>(QDataStream &, QNetworkCacheMetaData &)
The QNetworkCacheMetaData class provides cache information.
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
The QAbstractNetworkCache class provides the interface for cache implementations. ...
QHash< QNetworkRequest::Attribute, QVariant > AttributesMap
Synonym for QHash<QNetworkRequest::Attribute, QVariant>
Q_NETWORK_EXPORT QDataStream & operator<<(QDataStream &, const QNetworkCacheMetaData &)