86 lines
2.9 KiB
PHP
86 lines
2.9 KiB
PHP
<?php
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class OEmbedProvider extends EmbedProvider{
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private $urlRegExp;
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private $jsonEndpoint;
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private $xmlEndpoint;
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private $onlyJson = false;
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public function __construct($url,$endpoint, $onlyJson=false){
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parent::__construct($url,$endpoint);
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$this->onlyJson = $onlyJson;
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$this->urlRegExp=preg_replace(array("/\*/","/\//","/\.\*\./"),array(".*","\/",".*"),$url);
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$this->urlRegExp="/".$this->urlRegExp."/";
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if (preg_match("/\{format\}/",$endpoint)){
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$this->jsonEndpoint=preg_replace("/\{format\}/","json",$endpoint);
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$this->jsonEndpoint.="?url={url}";
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$this->xmlEndpoint=preg_replace("/\{format\}/","xml",$endpoint);
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$this->xmlEndpoint.="?url={url}";
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} else {
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$this->jsonEndpoint=$endpoint."?url={url}&format=json";
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$this->xmlEndpoint=$endpoint."?url={url}&format=xml";
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}
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}
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public function getUrlRegExp(){ return $this->urlRegExp; }
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public function getJsonEndpoint(){ return $this->jsonEndpoint; }
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public function getXmlEndpoint(){ return $this->xmlEndpoint; }
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public function match($url){
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return preg_match($this->urlRegExp,$url);
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}
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private function provideXML($url){
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return file_get_contents(preg_replace("/\{url\}/",urlencode($url),$this->xmlEndpoint));
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}
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private function getTypeObj($type){
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switch($type){
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case "image":
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case "photo":
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return new PhotoEmbed();
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break;
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case "video":
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return new VideoEmbed();
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break;
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case "link":
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return new LinkEmbed();
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break;
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case "rich":
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return new RichEmbed();
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break;
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default:
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return new OEmbed();
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}
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}
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private function provideObject($url){
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if (!$this->onlyJson) {
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$xml=simplexml_load_string($this->provideXML($url));
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}
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else {
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$data=$this->provide($url);
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if (!empty($data)) $xml = json_decode($data);
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}
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//TODO $xml->type alapjan assigner
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$obj = $this->getTypeObj((string)$xml->type);
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$obj->cloneObj($xml);
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$obj->resource_url=$url;
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return $obj;
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}
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private function provideSerialized($url){
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$serialized=serialize($this->provideObject($url));
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return $serialized;
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}
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public function provide($url,$format="json"){
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if($format=="xml"){
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return $this->provideXML($url);
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} else if ($format=="object"){
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return $this->provideObject($url);
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} else if ($format=="serialized"){
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return $this->provideSerialized($url);
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} else {
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return file_get_contents(preg_replace("/\{url\}/",urlencode($url),$this->jsonEndpoint));
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}
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}
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public function register(){}
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}
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