1/****************************************************************************
2**
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.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
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17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
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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
49QT_BEGIN_NAMESPACE
50
51QNetworkFile::QNetworkFile()
52 : QFile()
53{
54}
55
56QNetworkFile::QNetworkFile(const QString &name)
57 : QFile(name)
58{
59}
60
61void 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
85void 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
92QT_END_NAMESPACE
93