41 lines
1.7 KiB
PHP
41 lines
1.7 KiB
PHP
<?php
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class ProviderManager{
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private $providers;
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private static $_instance;
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private $config;
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private function __construct($maxwidth=null, $maxheight=null, $config = array()){
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$this->providers=array();
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$this->config = $config;
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$xml = simplexml_load_string(file_get_contents(PLUGIN_OEMBED_PROVIDER_XML_FILE));// PROVIDER_XML comes from config.php
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foreach($xml->provider as $provider){
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if(!isset($provider->class) && isset($provider->endpoint)){
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$onlyJson = isset($provider->jsononly);
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$dimensionsSupported = !isset($provider->nodimensionsupport);
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$this->register(new OEmbedProvider($provider->url,$provider->endpoint, $onlyJson, $maxwidth, $maxheight, $dimensionsSupported));
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} else {
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$classname="".$provider->class; // force to be string :)
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$reflection = new ReflectionClass($classname);
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$this->register($reflection->newInstance($provider));//so we could pass config vars
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}
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}
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}
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static function getInstance($maxwidth=null, $maxheight=null, $config = array()){
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if(!isset($_instance) || $_instance==null){
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$_instance = new ProviderManager($maxwidth, $maxheight, $config);
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}
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return $_instance;
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}
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public function register($provider){
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if (!empty($this->config)) $provider->set_config($this->config);
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$this->providers[]=$provider;
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}
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public function provide($url,$format){
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foreach ($this->providers as $provider){
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if ($provider->match($url)){
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return $provider->provide($url,$format);
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}
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}
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return null;
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}
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}
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