libreoffice/sw/source/core/docnode/retrieveinputstream.cxx

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#include <retrieveinputstream.hxx>
#include <comphelper/mediadescriptor.hxx>
#include <com/sun/star/io/XStream.hpp>

/** class for a thread to retrieve an input stream given by an URL

    #i73788#

    @author OD
*/
::rtl::Reference< ObservableThread > SwAsyncRetrieveInputStreamThread::createThread(
                        const SwRetrievedInputStreamDataManager::tDataKey nDataKey,
                        const String& rLinkedURL )
{
    SwAsyncRetrieveInputStreamThread* pNewThread =
            new SwAsyncRetrieveInputStreamThread( nDataKey, rLinkedURL );
    return pNewThread;
}

SwAsyncRetrieveInputStreamThread::SwAsyncRetrieveInputStreamThread(
                            const SwRetrievedInputStreamDataManager::tDataKey nDataKey,
                            const String& rLinkedURL )
    : ObservableThread(),
      mnDataKey( nDataKey ),
      mrLinkedURL( rLinkedURL )
{
}

SwAsyncRetrieveInputStreamThread::~SwAsyncRetrieveInputStreamThread()
{
}

void SwAsyncRetrieveInputStreamThread::threadFunction()
{
    com::sun::star::uno::Sequence < com::sun::star::beans::PropertyValue > xProps( 1 );
    xProps[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("URL"));
    xProps[0].Value <<= ::rtl::OUString( mrLinkedURL );
    comphelper::MediaDescriptor aMedium( xProps );

    aMedium.addInputStream();

    com::sun::star::uno::Reference<com::sun::star::io::XInputStream> xInputStream;
    aMedium[comphelper::MediaDescriptor::PROP_INPUTSTREAM()] >>= xInputStream;
    if ( !xInputStream.is() )
    {
        com::sun::star::uno::Reference<com::sun::star::io::XStream> xStream;
        aMedium[comphelper::MediaDescriptor::PROP_STREAM()] >>= xStream;
        if ( xStream.is() )
        {
            xInputStream = xStream->getInputStream();
        }
    }

    SwRetrievedInputStreamDataManager::GetManager().PushData( mnDataKey,
                                                              xInputStream,
                                                              aMedium.isStreamReadOnly() );
}

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