AOO410/main/unotools/source/ucbhelper/xtempfile.cxx - openoffice - Git at Google

 /**************************************************************
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  *
  *************************************************************/


 #include "precompiled_unotools.hxx"
 #include <XTempFile.hxx>
 #include <cppuhelper/factory.hxx>
 #include <cppuhelper/typeprovider.hxx>
 #include <unotools/tempfile.hxx>
 #include <osl/file.hxx>
 #include <unotools/configmgr.hxx>
 #include <tools/urlobj.hxx>
 #include <tools/debug.hxx>

 namespace css = com::sun::star;

 // copy define from desktop\source\app\appinit.cxx

 #define DESKTOP_TEMPNAMEBASE_DIR	"/temp/soffice.tmp"

 OTempFileService::OTempFileService(::css::uno::Reference< ::css::uno::XComponentContext > const & context)
 : ::cppu::PropertySetMixin< ::css::io::XTempFile >(
     context
     , static_cast< Implements >( IMPLEMENTS_PROPERTY_SET | IMPLEMENTS_FAST_PROPERTY_SET | IMPLEMENTS_PROPERTY_ACCESS )
     , com::sun::star::uno::Sequence< rtl::OUString >() )
 , mpStream( NULL )
 , mbRemoveFile( sal_True )
 , mbInClosed( sal_False )
 , mbOutClosed( sal_False )
 , mnCachedPos( 0 )
 , mbHasCachedPos( sal_False )

 {
 	mpTempFile = new ::utl::TempFile;
 	mpTempFile->EnableKillingFile ( sal_True );
 }

 OTempFileService::~OTempFileService ()
 {
 	if ( mpTempFile )
 		delete mpTempFile;
 }


 // XInterface

 ::css::uno::Any SAL_CALL OTempFileService::queryInterface( ::css::uno::Type const & aType )
 throw ( ::css::uno::RuntimeException )
 {
 	::css::uno::Any aResult( OTempFileBase::queryInterface( aType ) );
 	if (!aResult.hasValue())
 		aResult = cppu::PropertySetMixin< ::css::io::XTempFile >::queryInterface( aType ) ;
 	return aResult;
 };
 void SAL_CALL OTempFileService::acquire(  )
 throw ()
 {
 	OTempFileBase::acquire();
 }
 void SAL_CALL OTempFileService::release(  )
 throw ()
 {
 	OTempFileBase::release();
 }

 //	XTypeProvider

 ::css::uno::Sequence< ::css::uno::Type > SAL_CALL OTempFileService::getTypes(  )
 throw ( ::css::uno::RuntimeException )
 {
 	static ::cppu::OTypeCollection* pTypeCollection = NULL;
 	if ( pTypeCollection == NULL )
 	{
 		::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ) ;

 		if ( pTypeCollection == NULL )
 		{
 			static ::cppu::OTypeCollection aTypeCollection(
 				::getCppuType( ( const ::css::uno::Reference< ::css::beans::XPropertySet >*)NULL )
 				,OTempFileBase::getTypes() );
 			pTypeCollection = &aTypeCollection;
 		}
 	}
 	return pTypeCollection->getTypes();
 };
 ::css::uno::Sequence< sal_Int8 > SAL_CALL OTempFileService::getImplementationId(  )
 throw ( ::css::uno::RuntimeException )
 {
 	return OTempFileBase::getImplementationId();
 }

 //	XTempFile

 sal_Bool SAL_CALL OTempFileService::getRemoveFile()
 throw ( ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );

 	if ( !mpTempFile )
 	{
 		// the stream is already disconnected
 		throw ::css::uno::RuntimeException();
 		}

 	return mbRemoveFile;
 };
 void SAL_CALL OTempFileService::setRemoveFile( sal_Bool _removefile )
 throw ( ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );

 	if ( !mpTempFile )
 	{
 		// the stream is already disconnected
 		throw ::css::uno::RuntimeException();
 	}

 	mbRemoveFile = _removefile;
 	mpTempFile->EnableKillingFile( mbRemoveFile );
 };
 ::rtl::OUString SAL_CALL OTempFileService::getUri()
 throw ( ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );

 	if ( !mpTempFile )
 	{
 		throw ::css::uno::RuntimeException();
 	}

 	return ::rtl::OUString( mpTempFile->GetURL() );

 };
 ::rtl::OUString SAL_CALL OTempFileService::getResourceName()
 throw ( ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );

 	if ( !mpTempFile )
 	{
 		throw ::css::uno::RuntimeException();
 }

 	return ::rtl::OUString( mpTempFile->GetFileName() );
 };


 // XInputStream

 sal_Int32 SAL_CALL OTempFileService::readBytes( ::css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
 throw (::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbInClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();
 	if (nBytesToRead < 0)
 		throw ::css::io::BufferSizeExceededException( ::rtl::OUString(), static_cast< ::css::uno::XWeak * >(this));

 	aData.realloc(nBytesToRead);

 	sal_uInt32 nRead = mpStream->Read(static_cast < void* > ( aData.getArray() ), nBytesToRead);
 	checkError();

 	if (nRead < static_cast < sal_uInt32 > ( nBytesToRead ) )
 		aData.realloc( nRead );

 	if ( sal::static_int_cast<sal_uInt32>(nBytesToRead) > nRead )
 	{
 		// usually that means that the stream was read till the end
 		// TODO/LATER: it is better to get rid of this optimization by avoiding using of multiple temporary files ( there should be only one temporary file? )
 		mnCachedPos = mpStream->Tell();
 		mbHasCachedPos = sal_True;

 		mpStream = NULL;
 		if ( mpTempFile )
 			mpTempFile->CloseStream();
 	}

 	return nRead;
 }
 sal_Int32 SAL_CALL OTempFileService::readSomeBytes( ::css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
 throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbInClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();
 	checkError();

 	if (nMaxBytesToRead < 0)
 		throw ::css::io::BufferSizeExceededException( ::rtl::OUString(), static_cast < ::css::uno::XWeak * >( this ) );

 	if (mpStream->IsEof())
 	{
 		aData.realloc(0);
 		return 0;
 	}
 	else
 		return readBytes(aData, nMaxBytesToRead);
 }
 void SAL_CALL OTempFileService::skipBytes( sal_Int32 nBytesToSkip )
 throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbInClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();
 	checkError();
 	mpStream->SeekRel(nBytesToSkip);
 	checkError();
 }
 sal_Int32 SAL_CALL OTempFileService::available(  )
 throw ( ::css::io::NotConnectedException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbInClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();

 	sal_uInt32 nPos = mpStream->Tell();
 	checkError();

 	mpStream->Seek(STREAM_SEEK_TO_END);
 	checkError();

 	sal_Int32 nAvailable = (sal_Int32)mpStream->Tell() - nPos;
 	mpStream->Seek(nPos);
 	checkError();

 	return nAvailable;
 }
 void SAL_CALL OTempFileService::closeInput(  )
 throw ( ::css::io::NotConnectedException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbInClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak  * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	mbInClosed = sal_True;

 	if ( mbOutClosed )
 	{
 		// stream will be deleted by TempFile implementation
 		mpStream = NULL;

 		if ( mpTempFile )
 		{
 			delete mpTempFile;
 			mpTempFile = NULL;
 		}
 	}
 }

 // XOutputStream

 void SAL_CALL OTempFileService::writeBytes( const ::css::uno::Sequence< sal_Int8 >& aData )
 throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbOutClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();
 	sal_uInt32 nWritten = mpStream->Write(aData.getConstArray(),aData.getLength());
 	checkError();
 	if	( nWritten != (sal_uInt32)aData.getLength())
 		throw ::css::io::BufferSizeExceededException( ::rtl::OUString(),static_cast < ::css::uno::XWeak * > ( this ) );
 }
 void SAL_CALL OTempFileService::flush(  )
 throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbOutClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	checkConnected();
 	mpStream->Flush();
 	checkError();
 }
 void SAL_CALL OTempFileService::closeOutput(  )
 throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	if ( mbOutClosed )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

 	mbOutClosed = sal_True;

 	// TODO/LATER: it is better to get rid of this optimization by avoiding using of multiple temporary files ( there should be only one temporary file? )
 	if ( mpStream )
 	{
 		mnCachedPos = mpStream->Tell();
 		mbHasCachedPos = sal_True;

 		mpStream = NULL;
 		if ( mpTempFile )
 			mpTempFile->CloseStream();
 	}

 	if ( mbInClosed )
 	{
 		// stream will be deleted by TempFile implementation
 		mpStream = NULL;

 		if ( mpTempFile )
 		{
 			delete mpTempFile;
 			mpTempFile = NULL;
 		}
 	}
 }


 void OTempFileService::checkError () const
 {
 	if (!mpStream || mpStream->SvStream::GetError () != ERRCODE_NONE )
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );
 }
 void OTempFileService::checkConnected ()
 {
 	if (!mpStream && mpTempFile)
 	{
 		mpStream = mpTempFile->GetStream( STREAM_STD_READWRITE );
 		if ( mpStream && mbHasCachedPos )
 		{
 			mpStream->Seek( sal::static_int_cast<sal_Size>(mnCachedPos) );
 			if ( mpStream->SvStream::GetError () == ERRCODE_NONE )
 			{
 				mbHasCachedPos = sal_False;
 				mnCachedPos = 0;
 			}
 			else
 			{
 				mpStream = NULL;
 				mpTempFile->CloseStream();
 			}
 		}
 	}

 	if (!mpStream)
 		throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );
 }

 // XSeekable

 void SAL_CALL OTempFileService::seek( sal_Int64 nLocation )
 throw ( ::css::lang::IllegalArgumentException, ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	checkConnected();
 	if ( nLocation < 0 || nLocation > getLength() )
 		throw ::css::lang::IllegalArgumentException();

 	mpStream->Seek((sal_uInt32) nLocation );
 	checkError();
 }
 sal_Int64 SAL_CALL OTempFileService::getPosition(  )
 throw ( ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	checkConnected();

 	sal_uInt32 nPos = mpStream->Tell();
 	checkError();
 	return (sal_Int64)nPos;
 }
 sal_Int64 SAL_CALL OTempFileService::getLength(  )
 throw ( ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	checkConnected();

 	sal_uInt32 nCurrentPos = mpStream->Tell();
 	checkError();

 	mpStream->Seek(STREAM_SEEK_TO_END);
 	sal_uInt32 nEndPos = mpStream->Tell();
 	mpStream->Seek(nCurrentPos);

 	checkError();

 	return (sal_Int64)nEndPos;
 }


 // XStream

 ::css::uno::Reference< ::css::io::XInputStream > SAL_CALL OTempFileService::getInputStream()
 throw ( ::css::uno::RuntimeException )
 	{
 	return ::css::uno::Reference< ::css::io::XInputStream >( *this, ::css::uno::UNO_QUERY );
 }

 ::css::uno::Reference< ::css::io::XOutputStream > SAL_CALL OTempFileService::getOutputStream()
 throw ( ::css::uno::RuntimeException )
 	{
 	return ::css::uno::Reference< ::css::io::XOutputStream >( *this, ::css::uno::UNO_QUERY );
 	}

 // XTruncate

 void SAL_CALL OTempFileService::truncate()
 throw ( ::css::io::IOException, ::css::uno::RuntimeException )
 {
 	::osl::MutexGuard aGuard( maMutex );
 	checkConnected();
 	// SetStreamSize() call does not change the position
 	mpStream->Seek( 0 );
 	mpStream->SetStreamSize( 0 );
 	checkError();
 }

 // XServiceInfo

 ::rtl::OUString SAL_CALL OTempFileService::getImplementationName()
 throw ( ::css::uno::RuntimeException )
 {
 	return getImplementationName_Static();
 }

 sal_Bool SAL_CALL OTempFileService::supportsService( ::rtl::OUString const & rServiceName )
 throw ( ::css::uno::RuntimeException )
 {
 	::css::uno::Sequence< ::rtl::OUString > aServices(getSupportedServiceNames_Static());
 	return rServiceName == aServices[0];
 }

 ::css::uno::Sequence < ::rtl::OUString > SAL_CALL OTempFileService::getSupportedServiceNames()
 throw ( ::css::uno::RuntimeException )
 {
 	return getSupportedServiceNames_Static();
 }


 ::rtl::OUString OTempFileService::getImplementationName_Static ()
 {
 	return ::rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.comp.TempFile" ) );
 }
 ::css::uno::Sequence < ::rtl::OUString > OTempFileService::getSupportedServiceNames_Static()
 {
 	::css::uno::Sequence < ::rtl::OUString > aNames ( 1 );
 	aNames[0] = ::rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.TempFile" ) );
 	return aNames;
 }
 ::css::uno::Reference < ::css::uno::XInterface >SAL_CALL XTempFile_createInstance(
 	css::uno::Reference< ::css::uno::XComponentContext > const & context)
 	SAL_THROW( ( css::uno::Exception ) )
 {
 	return static_cast< ::cppu::OWeakObject * >( new OTempFileService(context) );
 }

 ::css::uno::Reference < ::css::lang::XSingleComponentFactory > OTempFileService::createServiceFactory_Static( ::css::uno::Reference < ::css::lang::XMultiServiceFactory > const & )
 {
 	return ::cppu::createSingleComponentFactory( XTempFile_createInstance, getImplementationName_Static(), getSupportedServiceNames_Static() );
 }

 // C functions to implement this as a component

 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment(
     			const sal_Char ** ppEnvTypeName, uno_Environment ** /*ppEnv*/ )
 {
 	*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
 }

 /**
  * This function is called to get service factories for an implementation.
  * @param pImplName name of implementation
  * @param pServiceManager generic uno interface providing a service manager to instantiate components
  * @param pRegistryKey registry data key to read and write component persistent data
  * @return a component factory (generic uno interface)
  */
 extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
     const sal_Char * pImplName, void * pServiceManager, void * /*pRegistryKey*/ )
 {
     void * pRet = 0;
 	::css::uno::Reference< ::css::lang::XMultiServiceFactory > xSMgr(
 		reinterpret_cast< ::css::lang::XMultiServiceFactory * >( pServiceManager ) );
 	::css::uno::Reference< ::css::lang::XSingleComponentFactory > xFactory;

 	if (OTempFileService::getImplementationName_Static().compareToAscii( pImplName ) == 0)
 		xFactory = OTempFileService::createServiceFactory_Static ( xSMgr );

 	if ( xFactory.is() )
 	{
 		xFactory->acquire();
 		pRet = xFactory.get();
 	}
     return pRet;
 }
	/**************************************************************
	*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*
	*************************************************************/


	#include "precompiled_unotools.hxx"
	#include <XTempFile.hxx>
	#include <cppuhelper/factory.hxx>
	#include <cppuhelper/typeprovider.hxx>
	#include <unotools/tempfile.hxx>
	#include <osl/file.hxx>
	#include <unotools/configmgr.hxx>
	#include <tools/urlobj.hxx>
	#include <tools/debug.hxx>

	namespace css = com::sun::star;

	// copy define from desktop\source\app\appinit.cxx

	#define DESKTOP_TEMPNAMEBASE_DIR "/temp/soffice.tmp"

	OTempFileService::OTempFileService(::css::uno::Reference< ::css::uno::XComponentContext > const & context)
	: ::cppu::PropertySetMixin< ::css::io::XTempFile >(
	context
	, static_cast< Implements >( IMPLEMENTS_PROPERTY_SET \| IMPLEMENTS_FAST_PROPERTY_SET \| IMPLEMENTS_PROPERTY_ACCESS )
	, com::sun::star::uno::Sequence< rtl::OUString >() )
	, mpStream( NULL )
	, mbRemoveFile( sal_True )
	, mbInClosed( sal_False )
	, mbOutClosed( sal_False )
	, mnCachedPos( 0 )
	, mbHasCachedPos( sal_False )

	{
	mpTempFile = new ::utl::TempFile;
	mpTempFile->EnableKillingFile ( sal_True );
	}

	OTempFileService::~OTempFileService ()
	{
	if ( mpTempFile )
	delete mpTempFile;
	}


	// XInterface

	::css::uno::Any SAL_CALL OTempFileService::queryInterface( ::css::uno::Type const & aType )
	throw ( ::css::uno::RuntimeException )
	{
	::css::uno::Any aResult( OTempFileBase::queryInterface( aType ) );
	if (!aResult.hasValue())
	aResult = cppu::PropertySetMixin< ::css::io::XTempFile >::queryInterface( aType ) ;
	return aResult;
	};
	void SAL_CALL OTempFileService::acquire( )
	throw ()
	{
	OTempFileBase::acquire();
	}
	void SAL_CALL OTempFileService::release( )
	throw ()
	{
	OTempFileBase::release();
	}

	// XTypeProvider

	::css::uno::Sequence< ::css::uno::Type > SAL_CALL OTempFileService::getTypes( )
	throw ( ::css::uno::RuntimeException )
	{
	static ::cppu::OTypeCollection* pTypeCollection = NULL;
	if ( pTypeCollection == NULL )
	{
	::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ) ;

	if ( pTypeCollection == NULL )
	{
	static ::cppu::OTypeCollection aTypeCollection(
	::getCppuType( ( const ::css::uno::Reference< ::css::beans::XPropertySet >*)NULL )
	,OTempFileBase::getTypes() );
	pTypeCollection = &aTypeCollection;
	}
	}
	return pTypeCollection->getTypes();
	};
	::css::uno::Sequence< sal_Int8 > SAL_CALL OTempFileService::getImplementationId( )
	throw ( ::css::uno::RuntimeException )
	{
	return OTempFileBase::getImplementationId();
	}

	// XTempFile

	sal_Bool SAL_CALL OTempFileService::getRemoveFile()
	throw ( ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );

	if ( !mpTempFile )
	{
	// the stream is already disconnected
	throw ::css::uno::RuntimeException();
	}

	return mbRemoveFile;
	};
	void SAL_CALL OTempFileService::setRemoveFile( sal_Bool _removefile )
	throw ( ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );

	if ( !mpTempFile )
	{
	// the stream is already disconnected
	throw ::css::uno::RuntimeException();
	}

	mbRemoveFile = _removefile;
	mpTempFile->EnableKillingFile( mbRemoveFile );
	};
	::rtl::OUString SAL_CALL OTempFileService::getUri()
	throw ( ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );

	if ( !mpTempFile )
	{
	throw ::css::uno::RuntimeException();
	}

	return ::rtl::OUString( mpTempFile->GetURL() );

	};
	::rtl::OUString SAL_CALL OTempFileService::getResourceName()
	throw ( ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );

	if ( !mpTempFile )
	{
	throw ::css::uno::RuntimeException();
	}

	return ::rtl::OUString( mpTempFile->GetFileName() );
	};



	// XInputStream

	sal_Int32 SAL_CALL OTempFileService::readBytes( ::css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
	throw (::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbInClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();
	if (nBytesToRead < 0)
	throw ::css::io::BufferSizeExceededException( ::rtl::OUString(), static_cast< ::css::uno::XWeak * >(this));

	aData.realloc(nBytesToRead);

	sal_uInt32 nRead = mpStream->Read(static_cast < void* > ( aData.getArray() ), nBytesToRead);
	checkError();

	if (nRead < static_cast < sal_uInt32 > ( nBytesToRead ) )
	aData.realloc( nRead );

	if ( sal::static_int_cast<sal_uInt32>(nBytesToRead) > nRead )
	{
	// usually that means that the stream was read till the end
	// TODO/LATER: it is better to get rid of this optimization by avoiding using of multiple temporary files ( there should be only one temporary file? )
	mnCachedPos = mpStream->Tell();
	mbHasCachedPos = sal_True;

	mpStream = NULL;
	if ( mpTempFile )
	mpTempFile->CloseStream();
	}

	return nRead;
	}
	sal_Int32 SAL_CALL OTempFileService::readSomeBytes( ::css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
	throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbInClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();
	checkError();

	if (nMaxBytesToRead < 0)
	throw ::css::io::BufferSizeExceededException( ::rtl::OUString(), static_cast < ::css::uno::XWeak * >( this ) );

	if (mpStream->IsEof())
	{
	aData.realloc(0);
	return 0;
	}
	else
	return readBytes(aData, nMaxBytesToRead);
	}
	void SAL_CALL OTempFileService::skipBytes( sal_Int32 nBytesToSkip )
	throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbInClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();
	checkError();
	mpStream->SeekRel(nBytesToSkip);
	checkError();
	}
	sal_Int32 SAL_CALL OTempFileService::available( )
	throw ( ::css::io::NotConnectedException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbInClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();

	sal_uInt32 nPos = mpStream->Tell();
	checkError();

	mpStream->Seek(STREAM_SEEK_TO_END);
	checkError();

	sal_Int32 nAvailable = (sal_Int32)mpStream->Tell() - nPos;
	mpStream->Seek(nPos);
	checkError();

	return nAvailable;
	}
	void SAL_CALL OTempFileService::closeInput( )
	throw ( ::css::io::NotConnectedException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbInClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	mbInClosed = sal_True;

	if ( mbOutClosed )
	{
	// stream will be deleted by TempFile implementation
	mpStream = NULL;

	if ( mpTempFile )
	{
	delete mpTempFile;
	mpTempFile = NULL;
	}
	}
	}

	// XOutputStream

	void SAL_CALL OTempFileService::writeBytes( const ::css::uno::Sequence< sal_Int8 >& aData )
	throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbOutClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();
	sal_uInt32 nWritten = mpStream->Write(aData.getConstArray(),aData.getLength());
	checkError();
	if ( nWritten != (sal_uInt32)aData.getLength())
	throw ::css::io::BufferSizeExceededException( ::rtl::OUString(),static_cast < ::css::uno::XWeak * > ( this ) );
	}
	void SAL_CALL OTempFileService::flush( )
	throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbOutClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	checkConnected();
	mpStream->Flush();
	checkError();
	}
	void SAL_CALL OTempFileService::closeOutput( )
	throw ( ::css::io::NotConnectedException, ::css::io::BufferSizeExceededException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	if ( mbOutClosed )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );

	mbOutClosed = sal_True;

	// TODO/LATER: it is better to get rid of this optimization by avoiding using of multiple temporary files ( there should be only one temporary file? )
	if ( mpStream )
	{
	mnCachedPos = mpStream->Tell();
	mbHasCachedPos = sal_True;

	mpStream = NULL;
	if ( mpTempFile )
	mpTempFile->CloseStream();
	}

	if ( mbInClosed )
	{
	// stream will be deleted by TempFile implementation
	mpStream = NULL;

	if ( mpTempFile )
	{
	delete mpTempFile;
	mpTempFile = NULL;
	}
	}
	}


	void OTempFileService::checkError () const
	{
	if (!mpStream \|\| mpStream->SvStream::GetError () != ERRCODE_NONE )
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );
	}
	void OTempFileService::checkConnected ()
	{
	if (!mpStream && mpTempFile)
	{
	mpStream = mpTempFile->GetStream( STREAM_STD_READWRITE );
	if ( mpStream && mbHasCachedPos )
	{
	mpStream->Seek( sal::static_int_cast<sal_Size>(mnCachedPos) );
	if ( mpStream->SvStream::GetError () == ERRCODE_NONE )
	{
	mbHasCachedPos = sal_False;
	mnCachedPos = 0;
	}
	else
	{
	mpStream = NULL;
	mpTempFile->CloseStream();
	}
	}
	}

	if (!mpStream)
	throw ::css::io::NotConnectedException ( ::rtl::OUString(), const_cast < ::css::uno::XWeak * > ( static_cast < const ::css::uno::XWeak * > (this ) ) );
	}

	// XSeekable

	void SAL_CALL OTempFileService::seek( sal_Int64 nLocation )
	throw ( ::css::lang::IllegalArgumentException, ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	checkConnected();
	if ( nLocation < 0 \|\| nLocation > getLength() )
	throw ::css::lang::IllegalArgumentException();

	mpStream->Seek((sal_uInt32) nLocation );
	checkError();
	}
	sal_Int64 SAL_CALL OTempFileService::getPosition( )
	throw ( ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	checkConnected();

	sal_uInt32 nPos = mpStream->Tell();
	checkError();
	return (sal_Int64)nPos;
	}
	sal_Int64 SAL_CALL OTempFileService::getLength( )
	throw ( ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	checkConnected();

	sal_uInt32 nCurrentPos = mpStream->Tell();
	checkError();

	mpStream->Seek(STREAM_SEEK_TO_END);
	sal_uInt32 nEndPos = mpStream->Tell();
	mpStream->Seek(nCurrentPos);

	checkError();

	return (sal_Int64)nEndPos;
	}


	// XStream

	::css::uno::Reference< ::css::io::XInputStream > SAL_CALL OTempFileService::getInputStream()
	throw ( ::css::uno::RuntimeException )
	{
	return ::css::uno::Reference< ::css::io::XInputStream >( *this, ::css::uno::UNO_QUERY );
	}

	::css::uno::Reference< ::css::io::XOutputStream > SAL_CALL OTempFileService::getOutputStream()
	throw ( ::css::uno::RuntimeException )
	{
	return ::css::uno::Reference< ::css::io::XOutputStream >( *this, ::css::uno::UNO_QUERY );
	}

	// XTruncate

	void SAL_CALL OTempFileService::truncate()
	throw ( ::css::io::IOException, ::css::uno::RuntimeException )
	{
	::osl::MutexGuard aGuard( maMutex );
	checkConnected();
	// SetStreamSize() call does not change the position
	mpStream->Seek( 0 );
	mpStream->SetStreamSize( 0 );
	checkError();
	}

	// XServiceInfo

	::rtl::OUString SAL_CALL OTempFileService::getImplementationName()
	throw ( ::css::uno::RuntimeException )
	{
	return getImplementationName_Static();
	}

	sal_Bool SAL_CALL OTempFileService::supportsService( ::rtl::OUString const & rServiceName )
	throw ( ::css::uno::RuntimeException )
	{
	::css::uno::Sequence< ::rtl::OUString > aServices(getSupportedServiceNames_Static());
	return rServiceName == aServices[0];
	}

	::css::uno::Sequence < ::rtl::OUString > SAL_CALL OTempFileService::getSupportedServiceNames()
	throw ( ::css::uno::RuntimeException )
	{
	return getSupportedServiceNames_Static();
	}



	::rtl::OUString OTempFileService::getImplementationName_Static ()
	{
	return ::rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.comp.TempFile" ) );
	}
	::css::uno::Sequence < ::rtl::OUString > OTempFileService::getSupportedServiceNames_Static()
	{
	::css::uno::Sequence < ::rtl::OUString > aNames ( 1 );
	aNames[0] = ::rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.TempFile" ) );
	return aNames;
	}
	::css::uno::Reference < ::css::uno::XInterface >SAL_CALL XTempFile_createInstance(
	css::uno::Reference< ::css::uno::XComponentContext > const & context)
	SAL_THROW( ( css::uno::Exception ) )
	{
	return static_cast< ::cppu::OWeakObject * >( new OTempFileService(context) );
	}

	::css::uno::Reference < ::css::lang::XSingleComponentFactory > OTempFileService::createServiceFactory_Static( ::css::uno::Reference < ::css::lang::XMultiServiceFactory > const & )
	{
	return ::cppu::createSingleComponentFactory( XTempFile_createInstance, getImplementationName_Static(), getSupportedServiceNames_Static() );
	}

	// C functions to implement this as a component

	extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment(
	const sal_Char ppEnvTypeName, uno_Environment /ppEnv/ )
	{
	*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
	}

	/**
	* This function is called to get service factories for an implementation.
	* @param pImplName name of implementation
	* @param pServiceManager generic uno interface providing a service manager to instantiate components
	* @param pRegistryKey registry data key to read and write component persistent data
	* @return a component factory (generic uno interface)
	*/
	extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
	const sal_Char * pImplName, void * pServiceManager, void * /pRegistryKey/ )
	{
	void * pRet = 0;
	::css::uno::Reference< ::css::lang::XMultiServiceFactory > xSMgr(
	reinterpret_cast< ::css::lang::XMultiServiceFactory * >( pServiceManager ) );
	::css::uno::Reference< ::css::lang::XSingleComponentFactory > xFactory;

	if (OTempFileService::getImplementationName_Static().compareToAscii( pImplName ) == 0)
	xFactory = OTempFileService::createServiceFactory_Static ( xSMgr );

	if ( xFactory.is() )
	{
	xFactory->acquire();
	pRet = xFactory.get();
	}
	return pRet;
	}