1 /****************************************************************************
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3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtNetwork module of the Qt Toolkit.
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8 ** $QT_BEGIN_LICENSE:LGPL$
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25 ** GNU General Public License Usage
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38 ****************************************************************************/
39
40 #include "qnetworkfile_p.h"
41
42 #include <QtCore/QDebug>
43 #include <QNetworkReply>
44 #include <QtCore/QDateTime>
45 #include <QtCore/QFileInfo>
46 #include <QtCore/QMetaObject>
47 #include <QtCore/QCoreApplication>
48
49 QT_BEGIN_NAMESPACE
50
QNetworkFile()51 QNetworkFile::QNetworkFile()
52 : QFile()
53 {
54 }
55
QNetworkFile(const QString & name)56 QNetworkFile::QNetworkFile(const QString &name)
57 : QFile(name)
58 {
59 }
60
open()61 void QNetworkFile::open()
62 {
63 bool opened = false;
64 QFileInfo fi(fileName());
65 if (fi.isDir()) {
66 QString msg = QCoreApplication::translate("QNetworkAccessFileBackend",
67 "Cannot open %1: Path is a directory").arg(fileName());
68 emit error(QNetworkReply::ContentOperationNotPermittedError, msg);
69 } else {
70 emit headerRead(QNetworkRequest::LastModifiedHeader, QVariant::fromValue(fi.lastModified()));
71 emit headerRead(QNetworkRequest::ContentLengthHeader, QVariant::fromValue(fi.size()));
72 opened = QFile::open(QIODevice::ReadOnly | QIODevice::Unbuffered);
73 if (!opened) {
74 QString msg = QCoreApplication::translate("QNetworkAccessFileBackend",
75 "Error opening %1: %2").arg(fileName(), errorString());
76 if (exists())
77 emit error(QNetworkReply::ContentAccessDenied, msg);
78 else
79 emit error(QNetworkReply::ContentNotFoundError, msg);
80 }
81 }
82 emit finished(opened);
83 }
84
close()85 void QNetworkFile::close()
86 {
87 // This override is needed because 'using' keyword cannot be used for slots. And the base
88 // function is not an invokable/slot function.
89 QFile::close();
90 }
91
92 QT_END_NAMESPACE
93