FeatureClass* DescribeFeatureTypeHandler::GetFeatureClassByMap(WebRequest* pWebRequest, WebContext* pWebContext, User* pUser)
{
const char* typeName = NULL;
Layer* pLayer = NULL;
GLogger *pLogger = augeGetLoggerInstance();
DescribeFeatureTypeRequest* pRequest = static_cast<DescribeFeatureTypeRequest*>(pWebRequest);
typeName = pRequest->GetTypeName();
const char* mapName = pRequest->GetMapName();
if(mapName==NULL)
{
GError* pError = augeGetErrorInstance();
pError->SetError("No Map is attached");
return NULL;
}
CartoManager* pCartoManager = augeGetCartoManagerInstance();
Map *pMap = pCartoManager->LoadMap(pUser->GetID(), mapName);
if(pMap==NULL)
{
char msg[AUGE_MSG_MAX];
g_sprintf(msg, "Cannot load map [%s]", mapName);
GError* pError = augeGetErrorInstance();
pError->SetError(msg);
return NULL;
}
pLayer = pMap->GetLayer(typeName);
if(pLayer==NULL)
{
char msg[AUGE_MSG_MAX];
g_sprintf(msg, "Cannot Find %s has not FeatureType [%s]",pWebContext->GetService(), typeName);
pLogger->Error(msg, __FILE__, __LINE__);
GError* pError = augeGetErrorInstance();
pError->SetError(msg);
return NULL;
}
if(pLayer->GetType()!=augeLayerFeature)
{
char msg[AUGE_MSG_MAX];
g_sprintf(msg, "%s is not a Feature Layer",typeName);
pLogger->Error(msg, __FILE__, __LINE__);
GError* pError = augeGetErrorInstance();
pError->SetError(msg);
return NULL;
}
FeatureClass* pFeatureClass = NULL;
FeatureLayer* pFLayer = static_cast<FeatureLayer*>(pLayer);
pFeatureClass = pFLayer->GetFeatureClass();
if(pFeatureClass==NULL)
{
char msg[AUGE_MSG_MAX];
g_sprintf(msg, "Cannot Get FeatureType %s",typeName);
pLogger->Error(msg, __FILE__, __LINE__);
GError* pError = augeGetErrorInstance();
pError->SetError(msg);
return NULL;
}
pFeatureClass->AddRef();
return pFeatureClass;
}
