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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_unotools.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <unotools/ucblockbytes.hxx> 32*cdf0e10cSrcweir #include <unotools/ucbstreamhelper.hxx> 33*cdf0e10cSrcweir #include <comphelper/processfactory.hxx> 34*cdf0e10cSrcweir #include <com/sun/star/ucb/CommandAbortedException.hpp> 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir #ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HDL_ 37*cdf0e10cSrcweir #include <com/sun/star/ucb/XCommandEnvironment.hdl> 38*cdf0e10cSrcweir #endif 39*cdf0e10cSrcweir #include <com/sun/star/ucb/InsertCommandArgument.hpp> 40*cdf0e10cSrcweir #include <com/sun/star/io/XActiveDataStreamer.hpp> 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir #include <ucbhelper/contentbroker.hxx> 43*cdf0e10cSrcweir #include <ucbhelper/content.hxx> 44*cdf0e10cSrcweir #include <tools/debug.hxx> 45*cdf0e10cSrcweir #include <unotools/streamwrap.hxx> 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir using namespace ::com::sun::star::uno; 48*cdf0e10cSrcweir using namespace ::com::sun::star::io; 49*cdf0e10cSrcweir using namespace ::com::sun::star::uno; 50*cdf0e10cSrcweir using namespace ::com::sun::star::ucb; 51*cdf0e10cSrcweir using namespace ::com::sun::star::task; 52*cdf0e10cSrcweir using namespace ::com::sun::star::lang; 53*cdf0e10cSrcweir using namespace ::com::sun::star::beans; 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir namespace utl 56*cdf0e10cSrcweir { 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir static SvStream* lcl_CreateStream( const String& rFileName, StreamMode eOpenMode, 59*cdf0e10cSrcweir Reference < XInteractionHandler > xInteractionHandler, 60*cdf0e10cSrcweir UcbLockBytesHandler* pHandler, sal_Bool /*bForceSynchron*/, sal_Bool bEnsureFileExists ) 61*cdf0e10cSrcweir { 62*cdf0e10cSrcweir SvStream* pStream = NULL; 63*cdf0e10cSrcweir ::ucbhelper::ContentBroker* pBroker = ::ucbhelper::ContentBroker::get(); 64*cdf0e10cSrcweir if ( pBroker ) 65*cdf0e10cSrcweir { 66*cdf0e10cSrcweir UcbLockBytesRef xLockBytes; 67*cdf0e10cSrcweir if ( eOpenMode & STREAM_WRITE ) 68*cdf0e10cSrcweir { 69*cdf0e10cSrcweir sal_Bool bTruncate = ( eOpenMode & STREAM_TRUNC ) != 0; 70*cdf0e10cSrcweir if ( bTruncate ) 71*cdf0e10cSrcweir { 72*cdf0e10cSrcweir try 73*cdf0e10cSrcweir { 74*cdf0e10cSrcweir // truncate is implemented with deleting the original file 75*cdf0e10cSrcweir ::ucbhelper::Content aCnt( rFileName, Reference < XCommandEnvironment >() ); 76*cdf0e10cSrcweir aCnt.executeCommand( ::rtl::OUString::createFromAscii( "delete" ), makeAny( sal_Bool( sal_True ) ) ); 77*cdf0e10cSrcweir } 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir catch ( CommandAbortedException& ) 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir // couldn't truncate/delete 82*cdf0e10cSrcweir } 83*cdf0e10cSrcweir catch ( ContentCreationException& ) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir } 86*cdf0e10cSrcweir catch ( Exception& ) 87*cdf0e10cSrcweir { 88*cdf0e10cSrcweir } 89*cdf0e10cSrcweir } 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir if ( bEnsureFileExists || bTruncate ) 92*cdf0e10cSrcweir { 93*cdf0e10cSrcweir try 94*cdf0e10cSrcweir { 95*cdf0e10cSrcweir // make sure that the desired file exists before trying to open 96*cdf0e10cSrcweir SvMemoryStream aStream(0,0); 97*cdf0e10cSrcweir ::utl::OInputStreamWrapper* pInput = new ::utl::OInputStreamWrapper( aStream ); 98*cdf0e10cSrcweir Reference< XInputStream > xInput( pInput ); 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir ::ucbhelper::Content aContent( rFileName, Reference < XCommandEnvironment >() ); 101*cdf0e10cSrcweir InsertCommandArgument aInsertArg; 102*cdf0e10cSrcweir aInsertArg.Data = xInput; 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir aInsertArg.ReplaceExisting = sal_False; 105*cdf0e10cSrcweir Any aCmdArg; 106*cdf0e10cSrcweir aCmdArg <<= aInsertArg; 107*cdf0e10cSrcweir aContent.executeCommand( ::rtl::OUString::createFromAscii( "insert" ), aCmdArg ); 108*cdf0e10cSrcweir } 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir // it is NOT an error when the stream already exists and no truncation was desired 111*cdf0e10cSrcweir catch ( CommandAbortedException& ) 112*cdf0e10cSrcweir { 113*cdf0e10cSrcweir // currently never an error is detected ! 114*cdf0e10cSrcweir } 115*cdf0e10cSrcweir catch ( ContentCreationException& ) 116*cdf0e10cSrcweir { 117*cdf0e10cSrcweir } 118*cdf0e10cSrcweir catch ( Exception& ) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir } 122*cdf0e10cSrcweir } 123*cdf0e10cSrcweir 124*cdf0e10cSrcweir try 125*cdf0e10cSrcweir { 126*cdf0e10cSrcweir // create LockBytes using UCB 127*cdf0e10cSrcweir ::ucbhelper::Content aContent( rFileName, Reference < XCommandEnvironment >() ); 128*cdf0e10cSrcweir xLockBytes = UcbLockBytes::CreateLockBytes( aContent.get(), Sequence < PropertyValue >(), 129*cdf0e10cSrcweir eOpenMode, xInteractionHandler, pHandler ); 130*cdf0e10cSrcweir if ( xLockBytes.Is() ) 131*cdf0e10cSrcweir { 132*cdf0e10cSrcweir pStream = new SvStream( xLockBytes ); 133*cdf0e10cSrcweir pStream->SetBufferSize( 4096 ); 134*cdf0e10cSrcweir pStream->SetError( xLockBytes->GetError() ); 135*cdf0e10cSrcweir } 136*cdf0e10cSrcweir } 137*cdf0e10cSrcweir catch ( CommandAbortedException& ) 138*cdf0e10cSrcweir { 139*cdf0e10cSrcweir } 140*cdf0e10cSrcweir catch ( ContentCreationException& ) 141*cdf0e10cSrcweir { 142*cdf0e10cSrcweir } 143*cdf0e10cSrcweir catch ( Exception& ) 144*cdf0e10cSrcweir { 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir } 147*cdf0e10cSrcweir else 148*cdf0e10cSrcweir // if no UCB is present at least conventional file io is supported 149*cdf0e10cSrcweir pStream = new SvFileStream( rFileName, eOpenMode ); 150*cdf0e10cSrcweir 151*cdf0e10cSrcweir return pStream; 152*cdf0e10cSrcweir } 153*cdf0e10cSrcweir 154*cdf0e10cSrcweir //============================================================================ 155*cdf0e10cSrcweir 156*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode, 157*cdf0e10cSrcweir UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron ) 158*cdf0e10cSrcweir { 159*cdf0e10cSrcweir return lcl_CreateStream( rFileName, eOpenMode, Reference < XInteractionHandler >(), pHandler, bForceSynchron, sal_True /* bEnsureFileExists */ ); 160*cdf0e10cSrcweir } 161*cdf0e10cSrcweir 162*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode, 163*cdf0e10cSrcweir Reference < XInteractionHandler > xInteractionHandler, 164*cdf0e10cSrcweir UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron ) 165*cdf0e10cSrcweir { 166*cdf0e10cSrcweir return lcl_CreateStream( rFileName, eOpenMode, xInteractionHandler, pHandler, bForceSynchron, sal_True /* bEnsureFileExists */ ); 167*cdf0e10cSrcweir } 168*cdf0e10cSrcweir 169*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode, 170*cdf0e10cSrcweir sal_Bool bFileExists, 171*cdf0e10cSrcweir UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron ) 172*cdf0e10cSrcweir { 173*cdf0e10cSrcweir return lcl_CreateStream( rFileName, eOpenMode, Reference < XInteractionHandler >(), pHandler, bForceSynchron, !bFileExists ); 174*cdf0e10cSrcweir } 175*cdf0e10cSrcweir 176*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( Reference < XInputStream > xStream ) 177*cdf0e10cSrcweir { 178*cdf0e10cSrcweir SvStream* pStream = NULL; 179*cdf0e10cSrcweir UcbLockBytesRef xLockBytes = UcbLockBytes::CreateInputLockBytes( xStream ); 180*cdf0e10cSrcweir if ( xLockBytes.Is() ) 181*cdf0e10cSrcweir { 182*cdf0e10cSrcweir pStream = new SvStream( xLockBytes ); 183*cdf0e10cSrcweir pStream->SetBufferSize( 4096 ); 184*cdf0e10cSrcweir pStream->SetError( xLockBytes->GetError() ); 185*cdf0e10cSrcweir } 186*cdf0e10cSrcweir 187*cdf0e10cSrcweir return pStream; 188*cdf0e10cSrcweir } 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( Reference < XStream > xStream ) 191*cdf0e10cSrcweir { 192*cdf0e10cSrcweir SvStream* pStream = NULL; 193*cdf0e10cSrcweir if ( xStream->getOutputStream().is() ) 194*cdf0e10cSrcweir { 195*cdf0e10cSrcweir UcbLockBytesRef xLockBytes = UcbLockBytes::CreateLockBytes( xStream ); 196*cdf0e10cSrcweir if ( xLockBytes.Is() ) 197*cdf0e10cSrcweir { 198*cdf0e10cSrcweir pStream = new SvStream( xLockBytes ); 199*cdf0e10cSrcweir pStream->SetBufferSize( 4096 ); 200*cdf0e10cSrcweir pStream->SetError( xLockBytes->GetError() ); 201*cdf0e10cSrcweir } 202*cdf0e10cSrcweir } 203*cdf0e10cSrcweir else 204*cdf0e10cSrcweir return CreateStream( xStream->getInputStream() ); 205*cdf0e10cSrcweir 206*cdf0e10cSrcweir return pStream; 207*cdf0e10cSrcweir } 208*cdf0e10cSrcweir 209*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( Reference < XInputStream > xStream, sal_Bool bCloseStream ) 210*cdf0e10cSrcweir { 211*cdf0e10cSrcweir SvStream* pStream = NULL; 212*cdf0e10cSrcweir UcbLockBytesRef xLockBytes = UcbLockBytes::CreateInputLockBytes( xStream ); 213*cdf0e10cSrcweir if ( xLockBytes.Is() ) 214*cdf0e10cSrcweir { 215*cdf0e10cSrcweir if ( !bCloseStream ) 216*cdf0e10cSrcweir xLockBytes->setDontClose_Impl(); 217*cdf0e10cSrcweir 218*cdf0e10cSrcweir pStream = new SvStream( xLockBytes ); 219*cdf0e10cSrcweir pStream->SetBufferSize( 4096 ); 220*cdf0e10cSrcweir pStream->SetError( xLockBytes->GetError() ); 221*cdf0e10cSrcweir } 222*cdf0e10cSrcweir 223*cdf0e10cSrcweir return pStream; 224*cdf0e10cSrcweir }; 225*cdf0e10cSrcweir 226*cdf0e10cSrcweir SvStream* UcbStreamHelper::CreateStream( Reference < XStream > xStream, sal_Bool bCloseStream ) 227*cdf0e10cSrcweir { 228*cdf0e10cSrcweir SvStream* pStream = NULL; 229*cdf0e10cSrcweir if ( xStream->getOutputStream().is() ) 230*cdf0e10cSrcweir { 231*cdf0e10cSrcweir UcbLockBytesRef xLockBytes = UcbLockBytes::CreateLockBytes( xStream ); 232*cdf0e10cSrcweir if ( xLockBytes.Is() ) 233*cdf0e10cSrcweir { 234*cdf0e10cSrcweir if ( !bCloseStream ) 235*cdf0e10cSrcweir xLockBytes->setDontClose_Impl(); 236*cdf0e10cSrcweir 237*cdf0e10cSrcweir pStream = new SvStream( xLockBytes ); 238*cdf0e10cSrcweir pStream->SetBufferSize( 4096 ); 239*cdf0e10cSrcweir pStream->SetError( xLockBytes->GetError() ); 240*cdf0e10cSrcweir } 241*cdf0e10cSrcweir } 242*cdf0e10cSrcweir else 243*cdf0e10cSrcweir return CreateStream( xStream->getInputStream(), bCloseStream ); 244*cdf0e10cSrcweir 245*cdf0e10cSrcweir return pStream; 246*cdf0e10cSrcweir }; 247*cdf0e10cSrcweir 248*cdf0e10cSrcweir } 249