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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 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() );
}
/**
* 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 utl_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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|