Exemplo n.º 1
0
 /**
  * Process the $expand and $select option and update the request description.
  * 
  * @return void
  * 
  * @throws ODataException Throws bad request error in the following cases
  *                          (1) If $expand or select cannot be applied to the
  *                              requested resource.
  *                          (2) If projection is disabled by the developer
  *                          (3) If some error occurs while parsing the options
  */
 private function _processExpandAndSelect()
 {
     $expand = $this->_dataService->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_EXPAND);
     if (!is_null($expand)) {
         $this->_checkExpandOrSelectApplicable(ODataConstants::HTTPQUERY_STRING_EXPAND);
     }
     $select = $this->_dataService->getHost()->getQueryStringItem(ODataConstants::HTTPQUERY_STRING_SELECT);
     if (!is_null($select)) {
         if (!$this->_dataService->getServiceConfiguration()->getAcceptProjectionRequests()) {
             ODataException::createBadRequestError(Messages::dataServiceConfigurationProjectionsNotAccepted());
         }
         $this->_checkExpandOrSelectApplicable(ODataConstants::HTTPQUERY_STRING_SELECT);
     }
     // We will generate RootProjectionNode in case of $link request also, but
     // expand and select in this case must be null (we are ensuring this above)
     // 'RootProjectionNode' is required while generating next page Link
     if ($this->_expandSelectApplicable || $this->_requestDescription->isLinkUri()) {
         try {
             $rootProjectionNode = ExpandProjectionParser::parseExpandAndSelectClause($this->_requestDescription->getTargetResourceSetWrapper(), $this->_requestDescription->getTargetResourceType(), $this->_requestDescription->getInternalOrderByInfo(), $this->_requestDescription->getSkipCount(), $this->_requestDescription->getTopCount(), $expand, $select, $this->_dataService->getMetadataQueryProviderWrapper());
             if ($rootProjectionNode->isSelectionSpecified()) {
                 $this->_requestDescription->raiseMinimumVersionRequirement(2, 0, $this->_dataService);
             }
             if ($rootProjectionNode->hasPagedExpandedResult()) {
                 $this->_requestDescription->raiseResponseVersion(2, 0, $this->_dataService);
             }
             $this->_requestDescription->setRootProjectionNode($rootProjectionNode);
         } catch (ODataException $odataException) {
             throw $odataException;
         }
     }
 }
 /**
  * Process the given request Uri and creates an instance of 
  * RequestDescription from the processed uri.
  * 
  * @param Url         &$absoluteRequestUri The absolute request uri.
  * @param DataService &$dataService        Reference to the data service
  *                                         instance.
  * 
  * @return RequestDescription
  * 
  * @throws ODataException If any exception occurs while processing the segments
  *                        or incase of any version incompatibility.
  */
 public static function process(Url &$absoluteRequestUri, DataService &$dataService)
 {
     $absoluteRequestUri = $dataService->getHost()->getAbsoluteRequestUri();
     $absoluteServiceUri = $dataService->getHost()->getAbsoluteServiceUri();
     $requestUriSegments = array_slice($absoluteRequestUri->getSegments(), $absoluteServiceUri->getSegmentCount());
     $segmentDescriptors = null;
     try {
         $segmentDescriptors = SegmentParser::parseRequestUriSegements($requestUriSegments, $dataService->getMetadataQueryProviderWrapper(), true);
     } catch (ODataException $odataException) {
         throw $odataException;
     }
     $requestDescription = new RequestDescription($segmentDescriptors, $absoluteRequestUri);
     $requestTargetKind = $requestDescription->getTargetKind();
     if ($requestTargetKind != RequestTargetKind::METADATA && $requestTargetKind != RequestTargetKind::BATCH && $requestTargetKind != RequestTargetKind::SERVICE_DIRECTORY) {
         if ($requestTargetKind != RequestTargetKind::PRIMITIVE_VALUE && $requestTargetKind != RequestTargetKind::MEDIA_RESOURCE) {
             $requestDescription->setContainerName($requestDescription->getIdentifier());
         } else {
             // http://odata/NW.svc/Orders/$count
             // http://odata/NW.svc/Orders(123)/Customer/CustomerID/$value
             // http://odata/NW.svc/Employees(1)/$value
             // http://odata/NW.svc/Employees(1)/ThumbNail_48X48/$value
             $requestDescription->setContainerName($segmentDescriptors[count($segmentDescriptors) - 2]->getIdentifier());
         }
         if ($requestDescription->getIdentifier() === ODataConstants::URI_COUNT_SEGMENT) {
             if (!$dataService->getServiceConfiguration()->getAcceptCountRequests()) {
                 ODataException::createBadRequestError(Messages::dataServiceConfigurationCountNotAccepted());
             }
             $requestDescription->setRequestCountOption(RequestCountOption::VALUE_ONLY);
             // use of $count requires request DataServiceVersion
             // and MaxDataServiceVersion
             // greater than or equal to 2.0
             $requestDescription->raiseResponseVersion(2, 0, $dataService);
             $requestDescription->raiseMinimumVersionRequirement(2, 0, $dataService);
         } else {
             if ($requestDescription->isNamedStream()) {
                 $requestDescription->raiseMinimumVersionRequirement(3, 0, $dataService);
             } else {
                 if ($requestDescription->getTargetKind() == RequestTargetKind::RESOURCE) {
                     if (!$requestDescription->isLinkUri()) {
                         $resourceSetWrapper = $requestDescription->getTargetResourceSetWrapper();
                         //assert($resourceSetWrapper != null)
                         $hasNamedStream = $resourceSetWrapper->hasNamedStreams($dataService->getMetadataQueryProviderWrapper());
                         $hasBagProperty = $resourceSetWrapper->hasBagProperty($dataService->getMetadataQueryProviderWrapper());
                         if ($hasNamedStream || $hasBagProperty) {
                             $requestDescription->raiseResponseVersion(3, 0, $dataService);
                         }
                     }
                 } else {
                     if ($requestDescription->getTargetKind() == RequestTargetKind::BAG) {
                         $requestDescription->raiseResponseVersion(3, 0, $dataService);
                     }
                 }
             }
         }
     }
     return $requestDescription;
 }