diff options
author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
---|---|---|
committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | bcb704366cb5e333a626c18c308c7e0448a8e69f (patch) | |
tree | f0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /dcoprss/xmlrpciface.cpp | |
download | tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'dcoprss/xmlrpciface.cpp')
-rw-r--r-- | dcoprss/xmlrpciface.cpp | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/dcoprss/xmlrpciface.cpp b/dcoprss/xmlrpciface.cpp new file mode 100644 index 00000000..e86639eb --- /dev/null +++ b/dcoprss/xmlrpciface.cpp @@ -0,0 +1,401 @@ +/* + * kxmlrpcclient.cpp - (c) 2003 Frerich Raabe <raabe@kde.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "xmlrpciface.h" + +#include <kdebug.h> +#include <kio/job.h> +#include <klocale.h> +#include <kmdcodec.h> + +#include <qdom.h> + +using namespace KXMLRPC; + +Query *Query::create( QObject *parent, const char *name ) +{ + return new Query( parent, name ); +} + +void Query::call( const QString &server, const QString &method, + const QValueList<QVariant> &args, const QString &userAgent ) +{ + m_buffer.open( IO_ReadWrite ); + m_server = server; + m_method = method; + m_args = args; + + const QString xmlMarkup = markupCall( method, args ); + + QByteArray postData; + QDataStream stream( postData, IO_WriteOnly ); + stream.writeRawBytes( xmlMarkup.utf8(), xmlMarkup.length() ); + + KIO::TransferJob *job = KIO::http_post( KURL( server ), postData, false ); + job->addMetaData( "UserAgent", userAgent ); + job->addMetaData( "content-type", "Content-Type: text/xml; charset=utf-8" ); + connect( job, SIGNAL( infoMessage( KIO::Job *, const QString & ) ), + this, SLOT( slotInfoMessage( KIO::Job *, const QString & ) ) ); + connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ), + this, SLOT( slotData( KIO::Job *, const QByteArray & ) ) ); + connect( job, SIGNAL( result( KIO::Job * ) ), + this, SLOT( slotResult( KIO::Job * ) ) ); +} + +void Query::slotInfoMessage( KIO::Job *, const QString &msg ) +{ + emit infoMessage( msg ); +} + +void Query::slotData( KIO::Job *, const QByteArray &data ) +{ + m_buffer.writeBlock( data ); +} + +void Query::slotResult( KIO::Job *job ) +{ + Result response; + response.m_server = m_server; + response.m_method = m_method; + response.m_args = m_args; + + response.m_success = false; + + if ( job->error() != 0 ) { + response.m_errorCode = job->error(); + response.m_errorString = job->errorString(); + emit finished( response ); + delete this; + return; + } + + QDomDocument doc; + if ( !doc.setContent( m_buffer.buffer() ) ) { + response.m_errorCode = -1; + response.m_errorString = i18n( "Received invalid XML markup" ); + emit finished( response ); + delete this; + return; + } + + m_buffer.close(); + + if ( isMessageResponse( doc ) ) + response = parseMessageResponse( doc ); + else if ( isFaultResponse( doc ) ) + response = parseFaultResponse( doc ); + else { + response.m_errorCode = 1; + response.m_errorString = i18n( "Unknown type of XML markup received" ); + } + + // parserMessageResponse and parseFaultResponse overwrite these fields. + response.m_server = m_server; + response.m_method = m_method; + response.m_args = m_args; + + emit finished( response ); + delete this; +} + +bool Query::isMessageResponse( const QDomDocument &doc ) const +{ + return doc.documentElement().firstChild().toElement().tagName().lower() == "params"; +} + +Query::Result Query::parseMessageResponse( const QDomDocument &doc ) const +{ + Result response; + response.m_success = true; + + QDomNode paramNode = doc.documentElement().firstChild().firstChild(); + while ( !paramNode.isNull() ) { + response.m_data << demarshal( paramNode.firstChild().toElement() ); + paramNode = paramNode.nextSibling(); + } + + return response; +} + +bool Query::isFaultResponse( const QDomDocument &doc ) const +{ + return doc.documentElement().firstChild().toElement().tagName().lower() == "fault"; +} + +Query::Result Query::parseFaultResponse( const QDomDocument &doc ) const +{ + Result response; + response.m_success = false; + + QDomNode errorNode = doc.documentElement().firstChild().firstChild(); + const QVariant errorVariant = demarshal( errorNode.toElement() ); + response.m_errorCode = errorVariant.toMap()[ "faultCode" ].toInt(); + response.m_errorString = errorVariant.toMap()[ "faultString" ].toString(); + + return response; +} + +QString Query::markupCall( const QString &cmd, + const QValueList<QVariant> &args ) const +{ + QString markup = "<?xml version='1.0' ?><methodCall>"; + + markup += "<methodName>" + cmd + "</methodName>"; + + if ( !args.isEmpty() ) { + markup += "<params>"; + QValueList<QVariant>::ConstIterator it = args.begin(); + QValueList<QVariant>::ConstIterator end = args.end(); + for ( ; it != end; ++it ) + markup += "<param>" + marshal( *it ) + "</param>"; + markup += "</params>"; + } + + markup += "</methodCall>"; + + return markup; +} + +QString Query::marshal( const QVariant &arg ) +{ + QString s = "<value>"; + switch ( arg.type() ) { + case QVariant::String: + case QVariant::CString: + s += "<string>" + arg.toString() + "</string>"; + break; + case QVariant::Int: + s += "<int>" + QString::number( arg.toInt() ) + "</int>"; + break; + case QVariant::Double: + s += "<double>" + QString::number( arg.toDouble() ) + "</double>"; + break; + case QVariant::Bool: + s += "<boolean>"; + s += arg.toBool() ? "true" : "false"; + s += "</boolean>"; + break; + case QVariant::ByteArray: + s += "<base64>" + KCodecs::base64Encode( arg.toByteArray() ) + "</base64>"; + break; + case QVariant::DateTime: + s += "<datetime.iso8601>" + arg.toDateTime().toString( Qt::ISODate ) + "</datetime.iso8601>"; + break; + case QVariant::List: { + s += "<array><data>"; + const QValueList<QVariant> args = arg.toList(); + QValueList<QVariant>::ConstIterator it = args.begin(); + QValueList<QVariant>::ConstIterator end = args.end(); + for ( ; it != end; ++it ) + s += marshal( *it ); + s += "</data></array>"; + break; + } + case QVariant::Map: { + s += "<struct>"; + QMap<QString, QVariant> map = arg.toMap(); + QMap<QString, QVariant>::ConstIterator it = map.begin(); + QMap<QString, QVariant>::ConstIterator end = map.end(); + for ( ; it != end; ++it ) { + s += "<member>"; + s += "<name>" + it.key() + "</name>"; + s += marshal( it.data() ); + s += "</member>"; + } + s += "</struct>"; + break; + } + default: + kdWarning() << "Failed to marshal unknown variant type: " << arg.type() << endl; + return "<value/>"; + }; + return s + "</value>"; +} + +QVariant Query::demarshal( const QDomElement &elem ) +{ + Q_ASSERT( elem.tagName().lower() == "value" ); + + if ( !elem.firstChild().isElement() ) + return QVariant( elem.text() ); + + const QDomElement typeElement = elem.firstChild().toElement(); + const QString typeName = typeElement.tagName().lower(); + + if ( typeName == "string" ) + return QVariant( typeElement.text() ); + else if ( typeName == "i4" || typeName == "int" ) + return QVariant( typeElement.text().toInt() ); + else if ( typeName == "double" ) + return QVariant( typeElement.text().toDouble() ); + else if ( typeName == "boolean" ) { + if ( typeElement.text().lower() == "true" || typeElement.text() == "1" ) + return QVariant( true ); + else + return QVariant( false ); + } else if ( typeName == "base64" ) + return QVariant( KCodecs::base64Decode( typeElement.text().latin1() ) ); + else if ( typeName == "datetime" || typeName == "datetime.iso8601" ) + return QVariant( QDateTime::fromString( typeElement.text(), Qt::ISODate ) ); + else if ( typeName == "array" ) { + QValueList<QVariant> values; + QDomNode valueNode = typeElement.firstChild().firstChild(); + while ( !valueNode.isNull() ) { + values << demarshal( valueNode.toElement() ); + valueNode = valueNode.nextSibling(); + } + return QVariant( values ); + } else if ( typeName == "struct" ) { + QMap<QString, QVariant> map; + QDomNode memberNode = typeElement.firstChild(); + while ( !memberNode.isNull() ) { + const QString key = memberNode.toElement().elementsByTagName( "name" ).item( 0 ).toElement().text(); + const QVariant data = demarshal( memberNode.toElement().elementsByTagName( "value" ).item( 0 ).toElement() ); + map[ key ] = data; + memberNode = memberNode.nextSibling(); + } + return QVariant( map ); + } else + kdWarning() << "Cannot demarshal unknown type " << typeName << endl; + + return QVariant(); +} + +Query::Query( QObject *parent, const char *name ) : QObject( parent, name ) +{ +} + +QValueList<QVariant> Server::toVariantList( const QVariant &arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( int arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( bool arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( double arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( const QString &arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( const QCString &arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( const QByteArray &arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( const QDateTime &arg ) +{ + QValueList<QVariant> args; + args << arg ; + return args; +} + +QValueList<QVariant> Server::toVariantList( const QStringList &arg ) +{ + QValueList<QVariant> args; + QStringList::ConstIterator it = arg.begin(); + QStringList::ConstIterator end = arg.end(); + for ( ; it != end; ++it ) + args << QVariant( *it ); + return args; +} + +Server::Server( const KURL &url, QObject *parent, const char *name ) + : QObject( parent, name ) +{ + if ( url.isValid() ) + m_url = url; +} + +void Server::setUrl( const KURL &url ) +{ + m_url = url.isValid() ? url : KURL(); +} + +void Server::call( const QString &method, const QValueList<QVariant> &args, + QObject *receiver, const char *slot ) +{ + if ( m_url.isEmpty() ) { + kdWarning() << "Cannot execute call to " << method << ": empty server URL" << endl; + return; + } + + Query *query = Query::create( this ); + connect( query, SIGNAL( infoMessage( const QString & ) ), + this, SIGNAL( infoMessage( const QString & ) ) ); + connect( query, SIGNAL( finished( const KXMLRPC::Query::Result & ) ), + receiver, slot ); + query->call( m_url.url(), method, args, m_userAgent ); +} + +void Server::call( const QString &method, const QValueList<QVariant> &args, + QObject *receiver, const char *slot, + QObject *infoObject, const char *infoSlot ) +{ + if ( m_url.isEmpty() ) { + kdWarning() << "Cannot execute call to " << method << ": empty server URL" << endl; + return; + } + + Query *query = Query::create( this ); + connect( query, SIGNAL( infoMessage( const QString &msg ) ), + infoObject, infoSlot ); + connect( query, SIGNAL( finished( const KXMLRPC::Query::Result & ) ), + receiver, slot ); + query->call( m_url.url(), method, args, m_userAgent ); +} + +#include "xmlrpciface.moc" +// vim:ts=4:sw=4:noet |