memory release in libreoffice

[Mahesh Patil]

Hi,

I have problem in libreoffice code. Libreoffice is not releasing memory after converting document to pdf. Can someone explain me how to release memory. which function is called for this.

Thanks and Regards,
Mahesh

sample code

input is word document and output is pdf document

    OUString aInURL = translateExternalUris(aInputURL);
    OUString aOutURL = translateExternalUris(aOutputURL);
    
    Reference< XDesktop2 > xDesktop = Desktop::create( ::comphelper::getProcessComponentContext() );
    
    
    // create parameter array
    sal_Int32 nCount = 5;
    const desktop::CommandLineArgs& rArgs = desktop::Desktop::GetCommandLineArgs();
    aOutURL = desktop::GetURL_Impl( aOutURL, rArgs.getCwdUrl());
    
    Sequence < PropertyValue > aArgs( nCount );
    
    // mark request as user interaction from outside
    aArgs[0].Name = "Referer";
    aArgs[0].Value <<= OUString("private:OpenEvent");
    
    aArgs[1].Name = "ReadOnly";
    aArgs[2].Name = "OpenNewView";
    aArgs[3].Name = "Hidden";
    aArgs[4].Name = "Silent";
    
    OUString aName(desktop::GetURL_Impl( aInURL, rArgs.getCwdUrl()) );
    OUString aTarget("_default");
    
    // documents opened for printing are opened readonly because they must be opened as a new document and this
    // document could be open already
    aArgs[1].Value <<= sal_True;
    
    // always open a new document for printing, because it must be disposed afterwards
    aArgs[2].Value <<= sal_True;
    
    // printing is done in a hidden view
    aArgs[3].Value <<= sal_True;
    
    // load document for printing without user interaction
    aArgs[4].Value <<= sal_True;
    
    // hidden documents should never be put into open tasks
    aTarget = "_blank";
    
    // load the document ... if they are loadable!
    // Otherwise try to dispatch it ...
    Reference < XPrintable > xDoc;
    
    // This is a synchron loading of a component so we don't have to deal with our statusChanged listener mechanism.
    try
    {
        xDoc = Reference < XPrintable >( ::comphelper::SynchronousDispatch::dispatch( xDesktop, aName, aTarget, 0, aArgs ), UNO_QUERY );
    }
    catch (const ::com::sun::star::lang::IllegalArgumentException& iae)
    {
        SAL_WARN(
                 "desktop.app",
                 "Dispatchwatcher IllegalArgumentException while calling"
                 " loadComponentFromURL: \"" << iae.Message << "\"");
    }
    catch (const com::sun::star::io::IOException& ioe)
    {
        SAL_WARN(
                 "desktop.app",
                 "Dispatchwatcher IOException while calling"
                 " loadComponentFromURL: \"" << ioe.Message << "\"");
    }
    
    
    if (xDoc.is() )
    {
        Reference< XStorable > xStorable( xDoc, UNO_QUERY );
        if ( xStorable.is() )
        {
            OUString aFilter = impl_GuessFilter( aName, aOutURL );
            
            Sequence<PropertyValue> conversionProperties( 2 );
            conversionProperties[0].Name = "Overwrite";
            conversionProperties[0].Value <<= sal_True;
            
            conversionProperties[1].Name = "FilterName";
            conversionProperties[1].Value <<= aFilter;
            
            OUString aTempName;
            FileBase::getSystemPathFromFileURL( aName, aTempName );
            OString aSource8 = OUStringToOString ( aTempName, RTL_TEXTENCODING_UTF8 );
            FileBase::getSystemPathFromFileURL( aOutURL, aTempName );
            OString aTargetURL8 = OUStringToOString(aTempName, RTL_TEXTENCODING_UTF8 );
            printf("convert %s -> %s using %s\n", aSource8.getStr(), aTargetURL8.getStr(),
                   OUStringToOString( aFilter, RTL_TEXTENCODING_UTF8 ).getStr());
            if( FStatHelper::IsDocument(aOutURL) )
                printf("Overwriting: %s\n",OUStringToOString( aTempName, RTL_TEXTENCODING_UTF8 ).getStr() );
            try
            {
                xStorable->storeToURL( aOutURL, conversionProperties );
            }
            catch (const Exception&)
            {
                fprintf( stderr, "Error: Please reverify input parameters...\n" );
            }
        }
    }
    
    // remove the document
    try
    {
        Reference < XCloseable > xClose( xDoc, UNO_QUERY );
        if ( xClose.is() )
            xClose->close( sal_True );
        else
        {
            Reference < XComponent > xComp( xDoc, UNO_QUERY );
            if ( xComp.is() )
                xComp->dispose();
        }
    }
    catch (const com::sun::star::util::CloseVetoException&)
    {
    }
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