static CPLErr OGRTABDriverDelete( const char *pszDataSource )
{
GDALDataset* poDS = NULL;
{
// Make sure that the file opened by GDALOpenInfo is closed
// when the object goes out of scope
GDALOpenInfo oOpenInfo(pszDataSource, GA_ReadOnly);
poDS = OGRTABDriverOpen(&oOpenInfo);
}
if( poDS == NULL )
return CE_Failure;
char** papszFileList = poDS->GetFileList();
delete poDS;
char** papszIter = papszFileList;
while( papszIter && *papszIter )
{
VSIUnlink( *papszIter );
papszIter ++;
}
CSLDestroy(papszFileList);
VSIStatBufL sStatBuf;
if( VSIStatL( pszDataSource, &sStatBuf ) == 0 &&
VSI_ISDIR(sStatBuf.st_mode) )
{
VSIRmdir( pszDataSource );
}
return CE_None;
}
GDALDataset* OGRPLScenesDataset::OpenRasterScene(GDALOpenInfo* poOpenInfo,
CPLString osScene,
char** papszOptions)
{
if( !(poOpenInfo->nOpenFlags & GDAL_OF_RASTER) )
{
return NULL;
}
for( char** papszIter = papszOptions; papszIter && *papszIter; papszIter ++ )
{
char* pszKey;
const char* pszValue = CPLParseNameValue(*papszIter, &pszKey);
if( pszValue != NULL )
{
if( !EQUAL(pszKey, "api_key") &&
!EQUAL(pszKey, "scene") &&
!EQUAL(pszKey, "product_type") )
{
CPLError(CE_Failure, CPLE_NotSupported, "Unsupported option %s", pszKey);
CPLFree(pszKey);
return NULL;
}
CPLFree(pszKey);
}
}
const char* pszProductType = CSLFetchNameValueDef(papszOptions, "product_type",
CSLFetchNameValueDef(poOpenInfo->papszOpenOptions, "PRODUCT_TYPE", "visual"));
CPLString osRasterURL;
osRasterURL = osBaseURL;
osRasterURL += "ortho/";
osRasterURL += osScene;
json_object* poObj = RunRequest( osRasterURL );
if( poObj == NULL )
return NULL;
json_object* poProperties = json_object_object_get(poObj, "properties");
if( poProperties == NULL || json_object_get_type(poProperties) != json_type_object )
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot find properties object");
json_object_put(poObj);
return NULL;
}
const char* pszLink = NULL;
if( EQUAL(pszProductType, "thumb") )
{
json_object* poLinks = json_object_object_get(poProperties, "links");
if( poLinks != NULL && json_object_get_type(poLinks) == json_type_object )
{
json_object* poThumbnail = json_object_object_get(poLinks, "thumbnail");
if( poThumbnail && json_object_get_type(poThumbnail) == json_type_string )
pszLink = json_object_get_string(poThumbnail);
}
}
else
{
json_object* poData = json_object_object_get(poProperties, "data");
if( poData != NULL && json_object_get_type(poData) == json_type_object )
{
json_object* poProducts = json_object_object_get(poData, "products");
if( poProducts != NULL && json_object_get_type(poProducts) == json_type_object )
{
json_object* poProduct = json_object_object_get(poProducts, pszProductType);
if( poProduct != NULL && json_object_get_type(poProduct) == json_type_object )
{
json_object* poFull = json_object_object_get(poProduct, "full");
if( poFull && json_object_get_type(poFull) == json_type_string )
pszLink = json_object_get_string(poFull);
}
}
}
}
osRasterURL = pszLink ? pszLink : "";
json_object_put(poObj);
if( osRasterURL.size() == 0 )
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot find link to scene %s",
osScene.c_str());
return NULL;
}
if( strncmp(osRasterURL, "http://", strlen("http://")) == 0 )
{
osRasterURL = "http://" + osAPIKey + ":@" + osRasterURL.substr(strlen("http://"));
}
else if( strncmp(osRasterURL, "https://", strlen("https://")) == 0 )
{
osRasterURL = "https://" + osAPIKey + ":@" + osRasterURL.substr(strlen("https://"));
}
CPLString osOldHead(CPLGetConfigOption("CPL_VSIL_CURL_USE_HEAD", ""));
CPLString osOldExt(CPLGetConfigOption("CPL_VSIL_CURL_ALLOWED_EXTENSIONS", ""));
int bUseVSICURL = CSLFetchBoolean(poOpenInfo->papszOpenOptions, "RANDOM_ACCESS", TRUE);
if( bUseVSICURL && !(strncmp(osBaseURL, "/vsimem/", strlen("/vsimem/")) == 0) )
{
CPLSetThreadLocalConfigOption("CPL_VSIL_CURL_USE_HEAD", "NO");
CPLSetThreadLocalConfigOption("CPL_VSIL_CURL_ALLOWED_EXTENSIONS", "{noext}");
VSIStatBufL sStat;
if( VSIStatL(("/vsicurl/" + osRasterURL).c_str(), &sStat) == 0 &&
sStat.st_size > 0 )
{
osRasterURL = "/vsicurl/" + osRasterURL;
}
else
{
CPLDebug("PLSCENES", "Cannot use random access for that file");
}
}
GDALDataset* poOutDS = (GDALDataset*) GDALOpen(osRasterURL, GA_ReadOnly);
if( poOutDS )
{
poOutDS->SetDescription(poOpenInfo->pszFilename);
poOutDS->GetFileList(); /* so as to probe all auxiliary files before reseting the allowed extensions */
if( !EQUAL(pszProductType, "thumb") )
{
OGRPLScenesLayer* poLayer = new OGRPLScenesLayer(this, "ortho",
(osBaseURL + "ortho/").c_str());
papoLayers = (OGRPLScenesLayer**) CPLRealloc(papoLayers,
sizeof(OGRPLScenesLayer*) * (nLayers + 1));
papoLayers[nLayers ++] = poLayer;
/* Attach scene matadata */
poLayer->SetAttributeFilter(CPLSPrintf("id = '%s'", osScene.c_str()));
OGRFeature* poFeat = poLayer->GetNextFeature();
if( poFeat )
{
for(int i=0;i<poFeat->GetFieldCount();i++)
{
if( poFeat->IsFieldSet(i) )
{
const char* pszKey = poFeat->GetFieldDefnRef(i)->GetNameRef();
const char* pszVal = poFeat->GetFieldAsString(i);
if( strstr(pszKey, "file_size") == NULL &&
strstr(pszVal, "https://") == NULL )
{
poOutDS->SetMetadataItem(pszKey, pszVal);
}
}
}
}
delete poFeat;
}
}
if( bUseVSICURL )
{
CPLSetThreadLocalConfigOption("CPL_VSIL_CURL_USE_HEAD",
osOldHead.size() ? osOldHead.c_str(): NULL);
CPLSetThreadLocalConfigOption("CPL_VSIL_CURL_ALLOWED_EXTENSIONS",
osOldExt.size() ? osOldExt.c_str(): NULL);
}
return poOutDS;
}
