<?php /* EL PSY CONGROO */    			     
     	 	  	 
namespace Guzzle\Http\Message\Header;      				 	
      		  		
use Guzzle\Http\Message\Header;     			 			
          		
/**     	 			 	
 * Default header factory implementation    	 	  	  
 */      					 
class HeaderFactory implements HeaderFactoryInterface    			  		 
{    	 			 		
    /** @var array */    		 	  	 
    protected $mapping = array(    		 			 	
        'cache-control' => 'Guzzle\Http\Message\Header\CacheControl',      	  	  
        'link'          => 'Guzzle\Http\Message\Header\Link',     	    	 
    );    		 	 	 	
    	   		  
    public function createHeader($header, $value = null)    	 	 	 		
    {     	 	 	 	
        $lowercase = strtolower($header);     	  	  	
     		 			 
        return isset($this->mapping[$lowercase])    			 		 	
            ? new $this->mapping[$lowercase]($header, $value)       	   	
            : new Header($header, $value);    			  			
    }    	   				
}     			  	 
     	   		 