sfx2/source/appl/xpackcreator.cxx

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  28
  29 #include <com/sun/star/ucb/XCommandEnvironment.hpp>
  30 #include <com/sun/star/io/XOutputStream.hpp>
  31
  32
  33 #include "xpackcreator.hxx"
  34
  35 #include <sot/stg.hxx>
  36 #include <sot/storage.hxx>
  37 #include <tools/stream.hxx>
  38 #include <unotools/tempfile.hxx>
  39 #include <unotools/ucbhelper.hxx>
  40 #include <ucbhelper/content.hxx>
  41 #include <ucbhelper/commandenvironment.hxx>
  42
  43 using namespace ::com::sun::star;
  44
  45 //-------------------------------------------------------------------------
  46 uno::Sequence< ::rtl::OUString > SAL_CALL OPackageStructureCreator::impl_getStaticSupportedServiceNames()
  47 {
  48     uno::Sequence< ::rtl::OUString > aRet(2);
  49     aRet[0] = ::rtl::OUString("com.sun.star.embed.PackageStructureCreator");
  50     aRet[1] = ::rtl::OUString("com.sun.star.comp.embed.PackageStructureCreator");
  51     return aRet;
  52 }
  53
  54 //-------------------------------------------------------------------------
  55 ::rtl::OUString SAL_CALL OPackageStructureCreator::impl_getStaticImplementationName()
  56 {
  57     return ::rtl::OUString("com.sun.star.comp.embed.PackageStructureCreator");
  58 }
  59
  60 //-------------------------------------------------------------------------
  61 uno::Reference< lang::XSingleServiceFactory > SAL_CALL OPackageStructureCreator::impl_createFactory(
  62             const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
  63 {
  64     return ::cppu::createOneInstanceFactory( xServiceManager,
  65                                 OPackageStructureCreator::impl_getStaticImplementationName(),
  66                                 OPackageStructureCreator::impl_staticCreateSelfInstance,
  67                                 OPackageStructureCreator::impl_getStaticSupportedServiceNames() );
  68 }
  69
  70 //-------------------------------------------------------------------------
  71 uno::Reference< uno::XInterface > SAL_CALL OPackageStructureCreator::impl_staticCreateSelfInstance(
  72             const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
  73 {
  74     return uno::Reference< uno::XInterface >( *new OPackageStructureCreator( xServiceManager ) );
  75 }
  76
  77
  78 //-------------------------------------------------------------------------
  79 void SAL_CALL OPackageStructureCreator::convertToPackage( const ::rtl::OUString& aFolderUrl,
  80                                                           const uno::Reference< io::XOutputStream >& xTargetStream )
  81         throw ( io::IOException,
  82                 uno::RuntimeException )
  83 {
  84     uno::Reference< ucb::XCommandEnvironment > xComEnv;
  85
  86     if ( !xTargetStream.is() )
  87         throw io::IOException(); // TODO/LATER
  88
  89     sal_Bool bSuccess = sal_False;
  90     ::ucbhelper::Content aContent;
  91     if( ::ucbhelper::Content::create( aFolderUrl, xComEnv, aContent ) )
  92     {
  93         SvStream* pTempStream = NULL;
  94
  95         ::rtl::OUString aTempURL = ::utl::TempFile().GetURL();
  96         try {
  97             if ( aContent.isFolder() )
  98             {
  99                 UCBStorage* pUCBStorage = new UCBStorage( aContent,
 100                                                           aFolderUrl,
 101                                                           STREAM_READ,
 102                                                           sal_False,
 103                                                           sal_True );
 104                 SotStorageRef aStorage = new SotStorage( pUCBStorage );
 105
 106                 if ( !aTempURL.isEmpty() )
 107                 {
 108                     pTempStream = new SvFileStream( aTempURL, STREAM_STD_READWRITE );
 109                     SotStorageRef aTargetStorage = new SotStorage( sal_True, *pTempStream );
 110                     aStorage->CopyTo( aTargetStorage );
 111                     aTargetStorage->Commit();
 112
 113                     if ( aStorage->GetError() || aTargetStorage->GetError() || pTempStream->GetError() )
 114                         throw io::IOException();
 115
 116                     aTargetStorage = NULL;
 117                     aStorage = NULL;
 118
 119                     pTempStream->Seek( 0 );
 120
 121                     uno::Sequence< sal_Int8 > aSeq( 32000 );
 122                     sal_uInt32 nRead = 0;
 123                     do {
 124                         if ( aSeq.getLength() < 32000 )
 125                             aSeq.realloc( 32000 );
 126
 127                         nRead = pTempStream->Read( aSeq.getArray(), 32000 );
 128                         if ( nRead < 32000 )
 129                             aSeq.realloc( nRead );
 130                         xTargetStream->writeBytes( aSeq );
 131                     } while( !pTempStream->IsEof() && !pTempStream->GetError() && nRead );
 132
 133                     if ( pTempStream->GetError() )
 134                         throw io::IOException();
 135
 136                     bSuccess = sal_True;
 137                 }
 138             }
 139         }
 140         catch (const uno::RuntimeException&)
 141         {
 142             if ( pTempStream )
 143                 delete pTempStream;
 144
 145             if ( !aTempURL.isEmpty() )
 146                 ::utl::UCBContentHelper::Kill( aTempURL );
 147
 148             throw;
 149         }
 150         catch (const io::IOException&)
 151         {
 152             if ( pTempStream )
 153                 delete pTempStream;
 154
 155             if ( !aTempURL.isEmpty() )
 156                 ::utl::UCBContentHelper::Kill( aTempURL );
 157
 158             throw;
 159         }
 160         catch (const uno::Exception&)
 161         {
 162         }
 163
 164         if ( pTempStream )
 165             delete pTempStream;
 166
 167         if ( !aTempURL.isEmpty() )
 168             ::utl::UCBContentHelper::Kill( aTempURL );
 169     }
 170
 171     if ( !bSuccess )
 172         throw io::IOException(); // TODO/LATER: can't proceed with creation
 173 }
 174
 175 //-------------------------------------------------------------------------
 176 ::rtl::OUString SAL_CALL OPackageStructureCreator::getImplementationName()
 177     throw ( uno::RuntimeException )
 178 {
 179     return impl_getStaticImplementationName();
 180 }
 181
 182 //-------------------------------------------------------------------------
 183 sal_Bool SAL_CALL OPackageStructureCreator::supportsService( const ::rtl::OUString& ServiceName )
 184     throw ( uno::RuntimeException )
 185 {
 186     uno::Sequence< ::rtl::OUString > aSeq = impl_getStaticSupportedServiceNames();
 187
 188     for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
 189         if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
 190             return sal_True;
 191
 192     return sal_False;
 193 }
 194
 195 //-------------------------------------------------------------------------
 196 uno::Sequence< ::rtl::OUString > SAL_CALL OPackageStructureCreator::getSupportedServiceNames()
 197     throw ( uno::RuntimeException )
 198 {
 199     return impl_getStaticSupportedServiceNames();
 200 }
 201
 202 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */