Esempio n. 1
0
 protected function open()
 {
     $this->graph = new Graph();
     $rdfa_parser = new RdfaParser();
     $json_parser = new JsonLd();
     \EasyRdf\RdfNamespace::set('dcat', 'http://www.w3.org/ns/dcat#');
     \EasyRdf\RdfNamespace::set('lbld', 'http://decisions.data.vlaanderen.be/ns#');
     $data = file_get_contents($this->extractor->uri);
     // Assume we have an rdfa document to begin with
     $rdfa_parser->parse($this->graph, $data, 'rdfa', $this->extractor->base_uri);
     // Check if we have properties we need to include into the current graph
     $properties = explode(',', $this->extractor->follow_properties);
     foreach ($this->graph->resources() as $resource) {
         foreach ($properties as $property) {
             $resolve_resources = $resource->allResources($property);
             if (!empty($resolve_resources)) {
                 foreach ($resolve_resources as $resolve_resource) {
                     $data = file_get_contents($resolve_resource->getUri());
                     // Parse any rdfa data in the document into the existing graph
                     $this->graph->parse($data, 'rdfa', $resolve_resource->getUri());
                     $json = $this->parseJsonldSnippet($data);
                     if (!empty($json)) {
                         try {
                             $this->graph->parse($json, 'jsonld', $resolve_resource->getUri());
                         } catch (\Exception $ex) {
                             \Log::error("We could not parse json from the data, the data was:" . $json);
                         }
                     }
                 }
             }
         }
     }
     // We only return the graph once as a full datastructure
     $this->has_next = true;
 }
Esempio n. 2
0
File: Rdfa.php Progetto: tdt/input
 protected function open()
 {
     $this->graph = new Graph();
     $parser = new RdfaParser();
     $data = file_get_contents($this->extractor->uri);
     $parser->parse($this->graph, $data, 'rdfa', $this->extractor->base_uri);
     // We only return the graph once as a full datastructure
     $this->has_next = true;
 }