OAIStruct.inc.php

<?php
 
define('OAIRECORD_STATUS_DELETED', 0);
define('OAIRECORD_STATUS_ALIVE', 1);
 
class OAIConfig {
   var $baseUrl = '';
 
   var $repositoryId = 'oai';
 
   var $granularity = 'YYYY-MM-DDThh:mm:ssZ';
 
   var $tokenLifetime = 86400;
 
   var $maxIdentifiers = 500;
 
   var $maxRecords;
 
   var $maxSets = 50;
 
 
   function __construct($baseUrl, $repositoryId) {
      $this->baseUrl = $baseUrl;
      $this->repositoryId = $repositoryId;
 
      $this->maxRecords = Config::getVar('oai', 'oai_max_records');
      if (!$this->maxRecords) $this->maxRecords = 100;
   }
}
 
class OAIRepository {
 
   var $repositoryName;
 
   var $adminEmail;
 
   var $earliestDatestamp;
 
   var $delimiter = ':';
 
   var $sampleIdentifier;
 
   var $toolkitTitle;
 
   var $toolkitVersion;
 
   var $toolkitURL;
}
 
 
class OAIResumptionToken {
 
   var $id;
 
   var $offset;
 
   var $params;
 
   var $expire;
 
 
   function __construct($id, $offset, $params, $expire) {
      $this->id = $id;
      $this->offset = $offset;
      $this->params = $params;
      $this->expire = $expire;
   }
}
 
 
class OAIMetadataFormat {
 
   var $prefix;
 
   var $schema;
 
   var $namespace;
 
   function __construct($prefix, $schema, $namespace) {
      $this->prefix = $prefix;
      $this->schema = $schema;
      $this->namespace = $namespace;
   }
 
   function getLocalizedData($data, $locale) {
      foreach ($data as $element) {
         if (isset($data[$locale])) return $data[$locale];
      }
      return '';
   }
 
   function toXml($record, $format = null) {
      return '';
   }
}
 
 
class OAISet {
 
   var $spec;
 
   var $name;
 
   var $description;
 
 
   function __construct($spec, $name, $description) {
      $this->spec = $spec;
      $this->name = $name;
      $this->description = $description;
   }
}
 
 
class OAIIdentifier {
   var $identifier;
 
   var $datestamp;
 
   var $sets;
 
   var $status;
}
 
 
class OAIRecord extends OAIIdentifier {
   var $data;
 
   function __construct() {
      $this->data = array();
   }
 
   function setData($name, &$value) {
      $this->data[$name] =& $value;
   }
 
   function &getData($name) {
      if (isset($this->data[$name])) $returner =& $this->data[$name];
      else $returner = null;
 
      return $returner;
   }
}