| 0,0 → 1,43 |
|---|
| <?php |
| |
| # if (!interface_exists('OIDPlusFieldExtenders')) throw new Exception('Required interface "OIDPlusFieldExtenders" not found.'); |
| # if (!class_exists('OIDPlus')) throw new Exception('Required class "OIDPlus" not found.'); |
| |
| require_once __DIR__ . '/../../core/OIDPlusFieldExtenders.class.php'; |
| require_once __DIR__ . '/../../includes/uuid_utils.inc.php'; |
| |
| class DOILinkFieldExtender implements OIDPlusFieldExtenders { |
| |
| public static function findDOI($oid, &$oidplusobj) { |
| $indexes = $oidplusobj->getDatasets($oid, 'index'); |
| |
| $found_doi = null; |
| foreach ($indexes as $index) { |
| $params = $index['attrib_params']; |
| $is_doi = false; |
| foreach ($params as $param) { |
| if (strtolower(trim($param)) == 'doi') { |
| $is_doi = true; |
| break; |
| } |
| } |
| |
| if ($is_doi) { |
| $found_doi = trim($index['value']); |
| break; |
| } |
| } |
| |
| return $found_doi; |
| } |
| |
| public static function processOID($oid, &$out, &$oidplusobj) { |
| $doi = self::findDOI($oid, $oidplusobj); |
| if (!is_null($doi)) { |
| $out[] = "doi-resolve:http://dx.doi.org/$doi"; |
| } |
| } |
| } |
| |
| require_once __DIR__ . '/../../core/2_OIDPlus.class.php'; |
| OIDPlus::registerFieldExtender(new DOILinkFieldExtender()); |