<?php
// +-------------------------------------------------+
// © 2002-2011 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: openurl_transport.class.php,v 1.4.16.2.4.1 2025/09/19 11:59:43 dbellamy Exp $

if (stristr($_SERVER['REQUEST_URI'], ".class.php")) {
    die("no access");
}

global $class_path;

require_once $class_path."/openurl/openurl.class.php";
require_once $class_path."/openurl/serialize/openurl_serialize_kev_mtx.class.php";
require_once $class_path."/openurl/context_object/openurl_context_object_kev_mtx_ctx.class.php";

function _getMapItem_($param){
	global $openurl_map;
	$openurl_map[$param['URI']] = array(
		'class' =>$param['CLASS'],
		'require' => $param['REQUIRE_PATH']
	);
}

class openurl_transport extends openurl_root{
	public $infos= array();		// Infos générales concernant le transport
	public $service_address = "";	// URL du service
	public $contextObject;			// ContextObject à transporter
	public $serialized_tsp="";		// infos du transport sérialisées
	public $serialized_obj="";		// ContextObject sérialisé

    public function __construct($url) {
    	$this->service_address = $url;
    	static::$uri = static::$uri."/tsp";
        $this->infos = array(
    		'url_ver' => "Z39.88-2004",
    		'url_tim' => date("Y-m-d")
    	);
    }

    public function addContext($context){
    	$this->infos['url_ctx_fmt'] = $context->uri;
    	$this->contextObject = $context;
    }

	public function serialize_infos($debug=false){
		if($debug){
			highlight_string("Transport :".print_r($this->infos,true));
		}
		return openurl_serialize_kev_mtx::serialize($this->infos);
    }

    public function unserialize($str)
    {
        static::staticUnserialize($str);
    }

    public static function staticUnserialize($str)
    {
        global $include_path;
        global $openurl_map;
        global $url_ctx_val, $url_ctx_ref;

        $openurl_map = array();
        // on va avoir besoin du mapping...
        require_once $include_path . '/parser.inc.php';
        _parser_($include_path . "/openurl/openurl_mapping.xml", array("ITEM" => "_getMapItem_"), "MAP");
        $ctx = new openurl_context_object_kev_mtx_ctx();
        if ($url_ctx_val != "") {
            // Transport By-Value
            $ctx->unserialize($url_ctx_val);
        } else if ($url_ctx_ref != "") {
            // Transport By-Reference
            $content = openurl_transport_http::get($url_ctx_ref);
            $ctx->unserialize($content);
        } else {
            // Transport Inline
            $ctx->unserialize($str);
        }
    }
}

class openurl_transport_byref extends openurl_transport{
	public $notice_id;
	public $source_id;
	public $byref_url;

    public function __construct($url,$notice_id,$source_id,$byref_url) {
    	parent::__construct($url);
    	$this->notice_id = $notice_id;
    	$this->source_id = $source_id;
    	$this->byref_url = $byref_url;
    }

    public function generateURL($debug=false){
    	if(!$this->serialized_tsp) $this->serialized_tsp = $this->serialize_infos($debug);
    	if(!$this->serialized_obj) $this->serialized_obj = openurl_serialize_kev_mtx::serialize(array('url_ctx_ref' => $this->byref_url."?notice_id=".$this->notice_id."&in_id=".$this->source_id."&uri=".$this->contextObject->uri));
    	return $this->service_address.(strpos($this->service_address,"?")===false ? "?":"&").$this->serialized_tsp.($this->serialized_obj ? "&".$this->serialized_obj : "");
    }
}

class openurl_transport_byval extends openurl_transport{

    public function generateURL($debug=false){
    	if(!$this->serialized_tsp) $this->serialized_tsp = $this->serialize_infos($debug);
    	if(!$this->serialized_obj) $this->serialized_obj = openurl_serialize_kev_mtx::serialize(array('url_ctx_val' => $this->contextObject->serialize_infos($debug)));
    	return $this->service_address.(strpos($this->service_address,"?")===false ? "?":"&").$this->serialized_tsp.($this->serialized_obj ? "&".$this->serialized_obj : "");
    }
}
class openurl_transport_inline extends openurl_transport{

    public function generateURL($debug=false){
    	if(!$this->serialized_tsp) $this->serialized_tsp = $this->serialize_infos($debug);
    	if(!$this->serialized_obj) $this->serialized_obj = $this->contextObject->serialize_infos($debug);
    	return $this->service_address.(strpos($this->service_address,"?")===false ? "?":"&").$this->serialized_tsp.($this->serialized_obj ? "&".$this->serialized_obj : "");
    }
}