llmediaimplfactory.cpp

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#include "llmediaimplfactory.h"

#include <iostream>

LLMediaImplFactory* LLMediaImplFactory::sInstance = NULL;

// static
LLMediaImplFactory* LLMediaImplFactory::getInstance()
{
        if ( ! sInstance )
                sInstance = new LLMediaImplFactory();

        return sInstance;
}

//
void LLMediaImplFactory::registerImpl( const std::string& impl_name, LLMediaImplMakerBase* impl_maker )
{
        mNameImplMakerContainer.insert( name_impl_maker_container_t::value_type( impl_name, impl_maker ) );
}

//
LLMediaImplMakerBase* LLMediaImplFactory::getImplMaker( const std::string& scheme, const std::string& type )
{
        name_impl_maker_container_t::const_iterator iter;
        name_impl_maker_container_t::const_iterator begin = mNameImplMakerContainer.begin();
        name_impl_maker_container_t::const_iterator end = mNameImplMakerContainer.end();

        for(iter = begin; iter != end; ++iter)
        {
                if(( *iter->second ).supportsScheme(scheme))
                {
                        return ( iter->second );
                }
        }

        for(iter = begin; iter != end; ++iter)
        {
                if(( *iter->second ).supportsMimeType(type))
                {
                        return ( iter->second );
                }
        }
        int idx1 = type.find("/");
        int len = (idx1 == std::string::npos) ? 0 : idx1;
        std::string category = type.substr(0,len);
        for(iter = begin; iter != end; ++iter)
        {
                if(( *iter->second ).supportsMimeTypeCategory(category))
                {
                        return ( iter->second );
                }
        }

        return NULL;
};

//
LLMediaImplMakerBase* LLMediaImplFactory::getImplMaker( const std::string& impl_name )
{
        name_impl_maker_container_t::const_iterator found = mNameImplMakerContainer.find( impl_name );

        if ( found == mNameImplMakerContainer.end() )
        {
                return NULL;
        };

        return found->second;
}

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