Files
libreoffice/connectivity/source/drivers/postgresql/pq_driver.cxx

356 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* Effective License of whole file:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
*
* The Contents of this file are made available subject to the terms of
* the GNU Lesser General Public License Version 2.1
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* Contributor(s): Joerg Budischewski
*
* All parts contributed on or after August 2011:
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
************************************************************************/
#include <stdio.h>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/compbase1.hxx>
#include <cppuhelper/compbase2.hxx>
#include <cppuhelper/implementationentry.hxx>
#include "pq_driver.hxx"
using osl::MutexGuard;
using cppu::WeakComponentImplHelper2;
using com::sun::star::lang::XSingleComponentFactory;
using com::sun::star::lang::XServiceInfo;
using com::sun::star::lang::XComponent;
using com::sun::star::uno::RuntimeException;
using com::sun::star::uno::Exception;
using com::sun::star::uno::Sequence;
using com::sun::star::uno::Reference;
using com::sun::star::uno::XInterface;
using com::sun::star::uno::UNO_QUERY;
using com::sun::star::uno::XComponentContext;
using com::sun::star::uno::Any;
using com::sun::star::beans::PropertyValue;
using com::sun::star::sdbc::XConnection;
using com::sun::star::sdbc::SQLException;
using com::sun::star::sdbc::DriverPropertyInfo;
using com::sun::star::sdbcx::XTablesSupplier;
namespace pq_sdbc_driver
{
OUString DriverGetImplementationName()
{
static OUString *p;
if (! p )
{
MutexGuard guard( osl::Mutex::getGlobalMutex() );
static OUString instance( "org.openoffice.comp.connectivity.pq.Driver.noext" );
p = &instance;
}
return *p;
}
Sequence< OUString > DriverGetSupportedServiceNames()
{
static Sequence< OUString > *p;
if( ! p )
{
MutexGuard guard( osl::Mutex::getGlobalMutex() );
OUString tmp( "com.sun.star.sdbc.Driver" );
static Sequence< OUString > instance( &tmp,1 );
p = &instance;
}
return *p;
}
Reference< XConnection > Driver::connect(
const OUString& url,const Sequence< PropertyValue >& info )
throw (SQLException, RuntimeException)
{
if( ! acceptsURL( url ) ) // XDriver spec tells me to do so ...
return Reference< XConnection > ();
Sequence< Any > seq ( 2 );
seq[0] <<= url;
seq[1] <<= info;
return Reference< XConnection> (
m_smgr->createInstanceWithArgumentsAndContext(
OUString("org.openoffice.comp.connectivity.pq.Connection.noext" ),
seq, m_ctx ),
UNO_QUERY );
}
sal_Bool Driver::acceptsURL( const OUString& url )
throw (SQLException, RuntimeException)
{
return url.matchAsciiL( RTL_CONSTASCII_STRINGPARAM( "sdbc:postgresql:" ) );
}
Sequence< DriverPropertyInfo > Driver::getPropertyInfo(
const OUString& url,const Sequence< PropertyValue >& info )
throw (SQLException, RuntimeException)
{
(void)url; (void)info;
return Sequence< DriverPropertyInfo > ();
}
sal_Int32 Driver::getMajorVersion( ) throw (RuntimeException)
{
return PQ_SDBC_MAJOR;
}
sal_Int32 Driver::getMinorVersion( ) throw (RuntimeException)
{
return PQ_SDBC_MINOR;
}
// XServiceInfo
OUString SAL_CALL Driver::getImplementationName()
throw(::com::sun::star::uno::RuntimeException)
{
return DriverGetImplementationName();
}
sal_Bool Driver::supportsService(const OUString& ServiceName)
throw(::com::sun::star::uno::RuntimeException)
{
Sequence< OUString > serviceNames = DriverGetSupportedServiceNames();
for( int i = 0 ; i < serviceNames.getLength() ; i ++ )
if( serviceNames[i] == ServiceName )
return sal_True;
return sal_False;
}
Sequence< OUString > Driver::getSupportedServiceNames(void)
throw(::com::sun::star::uno::RuntimeException)
{
return DriverGetSupportedServiceNames();
}
// XComponent
void Driver::disposing()
{
}
Reference< XTablesSupplier > Driver::getDataDefinitionByConnection(
const Reference< XConnection >& connection )
throw (SQLException, RuntimeException)
{
return Reference< XTablesSupplier >( connection , UNO_QUERY );
}
Reference< XTablesSupplier > Driver::getDataDefinitionByURL(
const OUString& url, const Sequence< PropertyValue >& info )
throw (SQLException, RuntimeException)
{
return Reference< XTablesSupplier > ( connect( url, info ), UNO_QUERY );
}
Reference< XInterface > DriverCreateInstance( const Reference < XComponentContext > & ctx )
{
Reference< XInterface > ret = * new Driver( ctx );
return ret;
}
class OOneInstanceComponentFactory :
public MutexHolder,
public WeakComponentImplHelper2< XSingleComponentFactory, XServiceInfo >
{
public:
OOneInstanceComponentFactory(
const OUString & rImplementationName_,
cppu::ComponentFactoryFunc fptr,
const Sequence< OUString > & serviceNames,
const Reference< XComponentContext > & defaultContext) :
WeakComponentImplHelper2< XSingleComponentFactory, XServiceInfo >( this->m_mutex ),
m_create( fptr ),
m_serviceNames( serviceNames ),
m_implName( rImplementationName_ ),
m_defaultContext( defaultContext )
{
}
// XSingleComponentFactory
virtual Reference< XInterface > SAL_CALL createInstanceWithContext(
Reference< XComponentContext > const & xContext )
throw (Exception, RuntimeException);
virtual Reference< XInterface > SAL_CALL createInstanceWithArgumentsAndContext(
Sequence< Any > const & rArguments,
Reference< XComponentContext > const & xContext )
throw (Exception, RuntimeException);
// XServiceInfo
OUString SAL_CALL getImplementationName()
throw(::com::sun::star::uno::RuntimeException)
{
return m_implName;
}
sal_Bool SAL_CALL supportsService(const OUString& ServiceName)
throw(::com::sun::star::uno::RuntimeException)
{
for( int i = 0 ; i < m_serviceNames.getLength() ; i ++ )
if( m_serviceNames[i] == ServiceName )
return sal_True;
return sal_False;
}
Sequence< OUString > SAL_CALL getSupportedServiceNames(void)
throw(::com::sun::star::uno::RuntimeException)
{
return m_serviceNames;
}
// XComponent
virtual void SAL_CALL disposing();
private:
cppu::ComponentFactoryFunc m_create;
Sequence< OUString > m_serviceNames;
OUString m_implName;
Reference< XInterface > m_theInstance;
Reference< XComponentContext > m_defaultContext;
};
Reference< XInterface > OOneInstanceComponentFactory::createInstanceWithArgumentsAndContext(
Sequence< Any > const &rArguments, const Reference< XComponentContext > & ctx )
throw( RuntimeException, Exception )
{
(void)rArguments;
return createInstanceWithContext( ctx );
}
Reference< XInterface > OOneInstanceComponentFactory::createInstanceWithContext(
const Reference< XComponentContext > & ctx )
throw( RuntimeException, Exception )
{
if( ! m_theInstance.is() )
{
// work around the problem in sdbc
Reference< XComponentContext > useCtx = ctx;
if( ! useCtx.is() )
useCtx = m_defaultContext;
Reference< XInterface > theInstance = m_create( useCtx );
MutexGuard guard( osl::Mutex::getGlobalMutex() );
if( ! m_theInstance.is () )
{
m_theInstance = theInstance;
}
}
return m_theInstance;
}
void OOneInstanceComponentFactory::disposing()
{
Reference< XComponent > rComp;
{
MutexGuard guard( osl::Mutex::getGlobalMutex() );
rComp = Reference< XComponent >( m_theInstance, UNO_QUERY );
m_theInstance.clear();
}
if( rComp.is() )
rComp->dispose();
}
// Reference< XSingleComponentFactory > createOneInstanceComponentFactory(
// cppu::ComponentFactoryFunc fptr,
// OUString const & rImplementationName,
// ::com::sun::star::uno::Sequence< OUString > const & rServiceNames,
// rtl_ModuleCount * pModCount = 0 )
// SAL_THROW(())
// {
// return new OOneInstanceComponentFactory( rImplementationName, fptr , rServiceNames);
// }
}
static struct cppu::ImplementationEntry g_entries[] =
{
{
pq_sdbc_driver::DriverCreateInstance, pq_sdbc_driver::DriverGetImplementationName,
pq_sdbc_driver::DriverGetSupportedServiceNames, 0,
0 , 0
},
{ 0, 0, 0, 0, 0, 0 }
};
extern "C"
{
SAL_DLLPUBLIC_EXPORT void * SAL_CALL postgresql_sdbc_component_getFactory(
const sal_Char * pImplName, void * pServiceManager, void * )
{
// need to extract the defaultcontext, because the way, sdbc
// bypasses the servicemanager, does not allow to use the
// XSingleComponentFactory interface ...
void * pRet = 0;
Reference< XSingleComponentFactory > xFactory;
Reference< com::sun::star::lang::XMultiServiceFactory > xSmgr(
static_cast< XInterface * >(pServiceManager),
com::sun::star::uno::UNO_QUERY_THROW );
for( sal_Int32 i = 0 ; g_entries[i].create ; i ++ )
{
OUString implName = g_entries[i].getImplementationName();
if( 0 == implName.compareToAscii( pImplName ) )
{
Reference< XComponentContext > defaultContext(
comphelper::getComponentContext( xSmgr ) );
xFactory = new pq_sdbc_driver::OOneInstanceComponentFactory(
implName,
g_entries[i].create,
g_entries[i].getSupportedServiceNames(),
defaultContext );
}
}
if( xFactory.is() )
{
xFactory->acquire();
pRet = xFactory.get();
}
return pRet;
}
}