Drupal modules for browsing and managing Fedora-based digital repositories.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

116 lines
3.5 KiB

<?php
$islandora_module_path = drupal_get_path('module', 'fedora_repository');
//do this until we export these in a module or library
@include_once 'sites/all/libraries/tuque/Datastream.php';
@include_once 'sites/all/libraries/tuque/FedoraApi.php';
@include_once 'sites/all/libraries/tuque/FedoraApiSerializer.php';
@include_once 'sites/all/libraries/tuque/Object.php';
@include_once 'sites/all/libraries/tuque/RepositoryConnection.php';
@include_once 'sites/all/libraries/tuque/Cache.php';
@include_once 'sites/all/libraries/tuque/RepositoryException.php';
@include_once 'sites/all/libraries/tuque/Repository.php';
@include_once 'sites/all/libraries/tuque/FedoraRelationships.php';
@include_once "$islandora_module_path/libraries/tuque/Datastream.php";
@include_once "$islandora_module_path/libraries/tuque/FedoraApi.php";
@include_once "$islandora_module_path/libraries/tuque/FedoraApiSerializer.php";
@include_once "$islandora_module_path/libraries/tuque/Object.php";
@include_once "$islandora_module_path/libraries/tuque/RepositoryConnection.php";
@include_once "$islandora_module_path/libraries/tuque/Cache.php";
@include_once "$islandora_module_path/libraries/tuque/RepositoryException.php";
@include_once "$islandora_module_path/libraries/tuque/Repository.php";
@include_once "$islandora_module_path/libraries/tuque/FedoraRelationships.php";
class IslandoraTuque {
/**
* Connection to the repository
*
* @var RepositoryConnection
*/
public $connection = NULL;
/**
* The Fedora API we are using
*
* @var FedoraAPI
*/
public $api = NULL;
/**
* The cache we use to connect.
*
* @var SimpleCache
*/
public $cache = NULL;
/**
* The repository object.
*
* @var FedoraRepository
*/
public $repository = NULL;
function __construct($user = NULL, $url = NULL) {
if(!isset($user)) {
global $user;
}
if(!isset($user) || $user->uid == 0){
$user_string = 'anonymous';
$pass_string = 'anonymous';
} else {
$user_string = $user->name;
$pass_string = $user->pass;
}
if (!isset($url)) {
$url = variable_get('fedora_base_url', 'http://localhost:8080/fedora');
}
if(self::exists()) {
$this->connection = new RepositoryConnection($url, $user_string, $pass_string);
$this->connection->reuseConnection = TRUE;
$this->api = new FedoraApi($this->connection);
$this->cache = new SimpleCache();
$this->repository = new FedoraRepository($this->api, $this->cache);
}
}
static function exists() {
return class_exists('RepositoryConnection');
}
static function getError() {
$islandora_doc_link = l(t('Islandora documentation'), 'https://wiki.duraspace.org/display/ISLANDORA/Islandora');
$tuque_link = l(t('Tuque Fedora API'), 'http://github.com/islandora/tuque');
$message = t('Islandora requires the !tuque_url. Please install in /sites/all/libraries/tuque before continuing. See the !islandora_url.', array( '!tuque_url' => $tuque_link, '!islandora_url' => $islandora_doc_link));
drupal_set_message($message, 'error', FALSE);
}
}
function islandora_object_load($object_id) {
static $islandora_tuque = NULL;
if(!$islandora_tuque) {
$islandora_tuque = new IslandoraTuque();
}
if(IslandoraTuque::exists()) {
try {
$fedora_object = $islandora_tuque->repository->getObject($object_id);
} catch (Exception $e) {
return NULL;
}
return $fedora_object;
}
else {
IslandoraTuque::getError();
return NULL;
}
}