AOO410/main/mysqlc/source/mysqlc_services.cxx

/**************************************************************
 * 
 * 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 "mysqlc_driver.hxx"

#include <cppuhelper/factory.hxx>
#include <osl/diagnose.h>
#include <rtl/ustrbuf.hxx>

using namespace connectivity::mysqlc;
using ::rtl::OUString;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::registry::XRegistryKey;
using ::com::sun::star::lang::XSingleServiceFactory;
using ::com::sun::star::lang::XMultiServiceFactory;

typedef Reference< XSingleServiceFactory > (SAL_CALL *createFactoryFunc)
		(
			const Reference< XMultiServiceFactory > & rServiceManager,
			const OUString & rComponentName, 
			::cppu::ComponentInstantiation pCreateFunction,
			const Sequence< OUString > & rServiceNames,
			rtl_ModuleCount* _pTemp
		);

//***************************************************************************************
//
// Die vorgeschriebene C-API muss erfuellt werden!
// Sie besteht aus drei Funktionen, die von dem Modul exportiert werden muessen.
//

//---------------------------------------------------------------------------------------
void REGISTER_PROVIDER(
		const OUString& aServiceImplName, 
		const Sequence< OUString>& Services, 
		const Reference< XRegistryKey > & xKey)
{
    ::rtl::OUStringBuffer aMainKeyName;
    aMainKeyName.append( sal_Unicode( '/' ) );
    aMainKeyName.append( aServiceImplName );
    aMainKeyName.appendAscii( "/UNO/SERVICES" );

	Reference< XRegistryKey > xNewKey( xKey->createKey( aMainKeyName.makeStringAndClear() ) );
	OSL_ENSURE(xNewKey.is(), "SKELETON::component_writeInfo : could not create a registry key !");

	for (sal_Int32 i = 0; i < Services.getLength(); ++i) {
		xNewKey->createKey(Services[i]);
	}
}


//---------------------------------------------------------------------------------------
struct ProviderRequest
{
	Reference< XSingleServiceFactory > xRet;
	Reference< XMultiServiceFactory > const xServiceManager;
	OUString const sImplementationName;

	ProviderRequest(
		void* pServiceManager,
		sal_Char const* pImplementationName
	) : xServiceManager(reinterpret_cast<XMultiServiceFactory*>(pServiceManager))
	  , sImplementationName(OUString::createFromAscii(pImplementationName))
	{
	}

	/* {{{ CREATE_PROVIDER -I- */
	inline sal_Bool CREATE_PROVIDER(
				const OUString& Implname, 
				const Sequence< OUString > & Services,
				::cppu::ComponentInstantiation Factory,
				createFactoryFunc creator
			)
	{
		if (!xRet.is() && (Implname == sImplementationName)) {
			try {
				xRet = creator( xServiceManager, sImplementationName,Factory, Services,0);
			} catch (...) {
			}
		}
		return xRet.is();
	}

	void* getProvider() const { return xRet.get(); }
};
/* }}} */


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


/* {{{ component_writeInfo -I- */
extern "C" SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL component_writeInfo(void * /* pServiceManager */, void * pRegistryKey)
{
	if (pRegistryKey) {
		try	{
			Reference< XRegistryKey > xKey(reinterpret_cast< XRegistryKey*>(pRegistryKey));

			REGISTER_PROVIDER(
				MysqlCDriver::getImplementationName_Static(), 
				MysqlCDriver::getSupportedServiceNames_Static(), xKey);

			return sal_True;
		} catch (::com::sun::star::registry::InvalidRegistryException& ) {
			OSL_ENSURE(sal_False, "SKELETON::component_writeInfo : could not create a registry key ! ## InvalidRegistryException !");
		}
	}
	return sal_False;
}
/* }}} */


/* {{{ component_getFactory -I- */
extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL component_getFactory(
					const sal_Char * pImplementationName,
					void * pServiceManager,
					void * /* pRegistryKey */)
{
	void* pRet = 0;
	if (pServiceManager) {
		ProviderRequest aReq(pServiceManager,pImplementationName);

		aReq.CREATE_PROVIDER(
			MysqlCDriver::getImplementationName_Static(),
			MysqlCDriver::getSupportedServiceNames_Static(),
			MysqlCDriver_CreateInstance, ::cppu::createSingleFactory)
		;

		if(aReq.xRet.is()) {
			aReq.xRet->acquire();
		}

		pRet = aReq.getProvider();
	}

	return pRet;
};
/* }}} */


/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */