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tdelibs/khtml/java/kjavadownloader.cpp

299 lines
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/* This file is part of the KDE project
*
* Copyright (C) 2000 Richard Moore <rich@kde.org>
* 2000 Wynn Wilkes <wynnw@caldera.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kjavadownloader.h"
#include "kjavaappletserver.h"
#include <kurl.h>
#include <kio/job.h>
#include <kio/jobclasses.h>
#include <kdebug.h>
#include <qfile.h>
static const int DATA = 0;
static const int FINISHED = 1;
static const int ERRORCODE = 2;
static const int HEADERS = 3;
static const int REDIRECT = 4;
static const int MIMETYPE = 5;
static const int CONNECTED = 6;
static const int REQUESTDATA = 7;
static const int KJAS_STOP = 0;
static const int KJAS_HOLD = 1;
static const int KJAS_RESUME = 2;
KJavaKIOJob::~KJavaKIOJob() {}
void KJavaKIOJob::data( const QByteArray& )
{
kdError(6100) << "Job id mixup" << endl;
}
//-----------------------------------------------------------------------------
class KJavaDownloaderPrivate
{
friend class KJavaDownloader;
public:
KJavaDownloaderPrivate() : responseCode(0), isfirstdata(true) {}
~KJavaDownloaderPrivate()
{
delete url;
if (job) job->kill(); // KIO::Job::kill deletes itself
}
private:
int loaderID;
KURL* url;
QByteArray file;
KIO::TransferJob* job;
int responseCode;
bool isfirstdata;
};
KJavaDownloader::KJavaDownloader( int ID, const QString& url )
{
kdDebug(6100) << "KJavaDownloader(" << ID << ") = " << url << endl;
d = new KJavaDownloaderPrivate;
d->loaderID = ID;
d->url = new KURL( url );
d->job = KIO::get( *d->url, false, false );
d->job->addMetaData("PropagateHttpHeader", "true");
connect( d->job, SIGNAL(data( KIO::Job*, const QByteArray& )),
this, SLOT(slotData( KIO::Job*, const QByteArray& )) );
connect( d->job, SIGNAL(connected(KIO::Job*)),
this, SLOT(slotConnected(KIO::Job*)));
connect( d->job, SIGNAL(mimetype(KIO::Job*, const QString&)),
this, SLOT(slotMimetype(KIO::Job*, const QString&)));
connect( d->job, SIGNAL(result(KIO::Job*)),
this, SLOT(slotResult(KIO::Job*)) );
}
KJavaDownloader::~KJavaDownloader()
{
delete d;
}
void KJavaDownloader::slotData( KIO::Job*, const QByteArray& qb )
{
//kdDebug(6100) << "slotData(" << d->loaderID << ")" << endl;
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
if (d->isfirstdata) {
QString headers = d->job->queryMetaData("HTTP-Headers");
if (!headers.isEmpty()) {
d->file.resize( headers.length() );
memcpy( d->file.data(), headers.ascii(), headers.length() );
server->sendURLData( d->loaderID, HEADERS, d->file );
d->file.resize( 0 );
}
d->isfirstdata = false;
}
if ( qb.size() )
server->sendURLData( d->loaderID, DATA, qb );
KJavaAppletServer::freeJavaServer();
}
void KJavaDownloader::slotConnected(KIO::Job*)
{
kdDebug(6100) << "slave connected" << endl;
d->responseCode = d->job->error();
}
void KJavaDownloader::slotMimetype(KIO::Job*, const QString & type) {
kdDebug(6100) << "slave mimetype " << type << endl;
}
void KJavaDownloader::slotResult( KIO::Job* )
{
kdDebug(6100) << "slotResult(" << d->loaderID << ")" << endl;
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
if( d->job->error())
{
kdDebug(6100) << "slave had an error = " << d->job->errorString() << endl;
int code = d->job->error();
if (!code)
code = 404;
QString codestr = QString::number(code);
d->file.resize(codestr.length());
memcpy( d->file.data(), codestr.ascii(), codestr.length() );
kdDebug(6100) << "slave had an error = " << code << endl;
server->sendURLData( d->loaderID, ERRORCODE, d->file );
d->file.resize( 0 );
}
else
{
server->sendURLData( d->loaderID, FINISHED, d->file );
}
d->job = 0L; // signal KIO::Job::result deletes itself
server->removeDataJob( d->loaderID ); // will delete this
KJavaAppletServer::freeJavaServer();
}
void KJavaDownloader::jobCommand( int cmd )
{
if (!d->job) return;
switch (cmd) {
case KJAS_STOP: {
kdDebug(6100) << "jobCommand(" << d->loaderID << ") stop" << endl;
d->job->kill();
d->job = 0L; // KIO::Job::kill deletes itself
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
server->removeDataJob( d->loaderID ); // will delete this
KJavaAppletServer::freeJavaServer();
break;
}
case KJAS_HOLD:
kdDebug(6100) << "jobCommand(" << d->loaderID << ") hold" << endl;
d->job->suspend();
break;
case KJAS_RESUME:
kdDebug(6100) << "jobCommand(" << d->loaderID << ") resume" << endl;
d->job->resume();
break;
}
}
//-----------------------------------------------------------------------------
class KJavaUploaderPrivate
{
public:
KJavaUploaderPrivate() {}
~KJavaUploaderPrivate()
{
delete url;
if (job) job->kill(); // KIO::Job::kill deletes itself
}
int loaderID;
KURL* url;
QByteArray file;
KIO::TransferJob* job;
bool finished;
};
KJavaUploader::KJavaUploader( int ID, const QString& url )
{
kdDebug(6100) << "KJavaUploader(" << ID << ") = " << url << endl;
d = new KJavaUploaderPrivate;
d->loaderID = ID;
d->url = new KURL( url );
d->job = 0L;
d->finished = false;
}
void KJavaUploader::start()
{
kdDebug(6100) << "KJavaUploader::start(" << d->loaderID << ")" << endl;
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
// create a suspended job
d->job = KIO::put( *d->url, -1, false, false, false );
d->job->suspend();
connect( d->job, SIGNAL(dataReq( KIO::Job*, QByteArray& )),
this, SLOT(slotDataRequest( KIO::Job*, QByteArray& )) );
connect( d->job, SIGNAL(result(KIO::Job*)),
this, SLOT(slotResult(KIO::Job*)) );
server->sendURLData( d->loaderID, CONNECTED, d->file );
KJavaAppletServer::freeJavaServer();
}
KJavaUploader::~KJavaUploader()
{
delete d;
}
void KJavaUploader::slotDataRequest( KIO::Job*, QByteArray& qb )
{
// send our data and suspend
kdDebug(6100) << "slotDataRequest(" << d->loaderID << ") finished:" << d->finished << endl;
qb.resize( d->file.size() );
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
if (d->file.size() == 0) {
d->job = 0L; // eof, job deletes itself
server->removeDataJob( d->loaderID ); // will delete this
} else {
memcpy( qb.data(), d->file.data(), d->file.size() );
d->file.resize( 0 );
if (!d->finished) {
server->sendURLData( d->loaderID, REQUESTDATA, d->file );
d->job->suspend();
}
}
KJavaAppletServer::freeJavaServer();
}
void KJavaUploader::data( const QByteArray& qb )
{
kdDebug(6100) << "KJavaUploader::data(" << d->loaderID << ")" << endl;
d->file.resize( qb.size() );
memcpy( d->file.data(), qb.data(), qb.size() );
d->job->resume();
}
void KJavaUploader::slotResult( KIO::Job* )
{
kdDebug(6100) << "slotResult(" << d->loaderID << ") job:" << d->job << endl;
if (!d->job)
return;
KJavaAppletServer* server = KJavaAppletServer::allocateJavaServer();
if (d->job->error())
{
int code = d->job->error();
QString codestr = QString::number(code);
d->file.resize(codestr.length());
memcpy( d->file.data(), codestr.ascii(), codestr.length() );
kdDebug(6100) << "slave had an error " << code << ": " << d->job->errorString() << endl;
server->sendURLData( d->loaderID, ERRORCODE, d->file );
d->file.resize( 0 );
}
else // shouldn't come here
kdError(6100) << "slotResult(" << d->loaderID << ") job:" << d->job << endl;
d->job = 0L; // signal KIO::Job::result deletes itself
server->removeDataJob( d->loaderID ); // will delete this
KJavaAppletServer::freeJavaServer();
}
void KJavaUploader::jobCommand( int cmd )
{
if (!d->job) return;
switch (cmd) {
case KJAS_STOP: {
kdDebug(6100) << "jobCommand(" << d->loaderID << ") stop" << endl;
d->finished = true;
if (d->job->isSuspended())
d->job->resume();
break;
}
}
}
#include "kjavadownloader.moc"