Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* @file
*
* This file contains a class to include the Tuque php library.
*/
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('islandora_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' => $islandora_doc_link));
drupal_set_message(filter_xss($message), 'error', FALSE);
}
}
/**
* Just a wrapper around fetchings the IslandoraTuque object, with some very
* basic error logging.
*
* @return IslandoraTuque
* A IslandoraTuque instance
*/
function islandora_get_tuque_connection() {
$tuque = &drupal_static(__FUNCTION__);
if (!$tuque) {
try {
$tuque = new IslandoraTuque();
} catch (Exception $e) {
drupal_set_message(t('Unable to connect to the repository %e', array('%e' => $e)), 'error');
}
}
return $tuque;
}