| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace ByJG\RestServer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use ByJG\AnyDataset\Model\ObjectHandler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use ByJG\Util\XmlUtil; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class ServiceHandler implements HandlerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |     protected $output = Output::JSON; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     public function getOutput() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |         return $this->output; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  |     public function setOutput($output) | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  |         // Check if output is set | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  |         if ($output != Output::JSON && $output != Output::XML && $output != Output::CSV && $output != Output::RDF) { | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |             throw new \Exception('Invalid output format. Valid are XML, JSON or CSV'); | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |         $this->output = $output; | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     public function setHeader() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         switch ($this->getOutput()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |             case Output::JSON: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |                 header('Content-Type: application/json'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |             case Output::RDF: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |                 header('Content-Type: application/rdf+xml'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |             case Output::XML: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |                 header('Content-Type: text/xml'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |                 header('Content-Type: text/plain'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * CORS - Better do that in your http server, but you can enable calling this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     public function setHeaderCors() | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         header('Access-Control-Allow-Origin: *'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         header("Access-Control-Allow-Headers: X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $method = $_SERVER['REQUEST_METHOD']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         if ($method == "OPTIONS") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public function execute(ServiceAbstract $instance) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         $root = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $annotationPrefix = 'object'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         if ($this->getOutput() == Output::RDF) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             $xmlDoc = XmlUtil::CreateXmlDocument(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             $root = XmlUtil::CreateChild($xmlDoc, "rdf:RDF", "", "http://www.w3.org/1999/02/22-rdf-syntax-ns#"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             XmlUtil::AddNamespaceToDocument($root, "rdfs", "http://www.w3.org/2000/01/rdf-schema#"); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |             $annotationPrefix = 'rdf'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         $dom = $instance->getResponse()->getResponseBag()->process($root, $annotationPrefix); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         switch ($this->getOutput()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |             case Output::JSON: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |                 return ObjectHandler::xml2json($dom); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |             case Output::XML: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |             case Output::RDF: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |                 return $dom->saveXML(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |             case Output::CSV: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |                 $array = XmlUtil::xml2Array($dom); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |                 $return = ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |                 foreach ((array) $array as $line) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |                     foreach ((array) $line as $field) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |                         $return .= "\"" . str_replace('"', '\\"', (is_array($field) ? json_encode($field) : $field)) . "\";"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |                     $return .= "\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |                 return $return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 98 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 99 |  |  |  | 
            
                        
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: