/*
 * Copyright (c) 2015 2016, Intel Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Intel Corporation nor the names of its contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "ProviderFactory.h"
#include "Strings.h"

namespace wbem
{
namespace framework
{

ProviderFactory *ProviderFactory::m_pSingleton = NULL;

ProviderFactory::ProviderFactory()
{
	// Child ProviderFactory is expected to override this
	setDefaultCimNamespace(INTEL_ROOT_NAMESPACE);
}

ProviderFactory::~ProviderFactory()
{
	if (this == m_pSingleton)
	{
		// We must be the singleton - set it to null before we go away
		m_pSingleton = NULL;
	}
}

ProviderFactory *ProviderFactory::getSingleton()
{
	return m_pSingleton;
}

void ProviderFactory::setSingleton(ProviderFactory* pProviderFactory)
{
	deleteSingleton();
	m_pSingleton = pProviderFactory;
}

void ProviderFactory::deleteSingleton()
{
	if (m_pSingleton)
	{
		delete m_pSingleton;
	}
}

std::string ProviderFactory::getDefaultCimNamespace()
{
	return m_defaultCimNamespace;
}

void ProviderFactory::setDefaultCimNamespace(const std::string& cimNamespace)
{
	 m_defaultCimNamespace = cimNamespace;
}

InstanceFactory* wbem::framework::ProviderFactory::getInstanceFactoryStatic(
		const std::string& className)
{
	InstanceFactory *pFactory = NULL;
	ProviderFactory *pSingleton = ProviderFactory::getSingleton();
	if (pSingleton)
	{
		pFactory = pSingleton->getInstanceFactory(className);
	}

	return pFactory;
}

std::vector<InstanceFactory *> ProviderFactory::getAssociationFactoriesStatic(
		Instance *pInstance,
		const std::string &associationClassName,
		const std::string &resultClassName,
		const std::string &roleName,
		const std::string &resultRoleName)
{
	std::vector<InstanceFactory *> associationFactories;
	ProviderFactory *pSingleton = ProviderFactory::getSingleton();
	if (pSingleton)
	{
		associationFactories = pSingleton->getAssociationFactories(
				pInstance,
				associationClassName, resultClassName,
				roleName, resultRoleName);
	}

	return associationFactories;
}


} /* namespace framework */
} /* namespace wbem */
