FeatureFilter*
FeatureFilterRegistry::create( const Config& conf )
{
for (FeatureFilterFactoryList::iterator itr = _factories.begin(); itr != _factories.end(); itr++)
{
FeatureFilter* filter = itr->get()->create( conf );
if (filter) return filter;
}
return 0;
}
FeatureFilter*
FeatureFilterRegistry::create(const Config& conf, const osgDB::Options* dbo)
{
std::string driver = conf.key();
osg::ref_ptr<FeatureFilter> result;
for (FeatureFilterFactoryList::iterator itr = _factories.begin(); result == 0L && itr != _factories.end(); itr++)
{
result = itr->get()->create( conf );
}
if ( !result.valid() )
{
// not found; try to load from plugin.
if ( driver.empty() )
{
OE_WARN << LC << "ILLEGAL- no driver set for feature filter" << std::endl;
return 0L;
}
ConfigOptions options(conf);
osg::ref_ptr<osgDB::Options> dbopt = Registry::instance()->cloneOrCreateOptions(dbo);
dbopt->setPluginData( FEATURE_FILTER_OPTIONS_TAG, (void*)&options );
std::string driverExt = std::string( ".osgearth_featurefilter_" ) + driver;
result = dynamic_cast<FeatureFilter*>( osgDB::readObjectFile( driverExt, dbopt.get() ) );
}
if ( !result.valid() )
{
OE_WARN << LC << "Failed to load FeatureFilter driver \"" << driver << "\"" << std::endl;
}
return result.release();
}
