simple-oai-pmh/record_dc.php

37 lines
1.5 KiB
PHP

<?php
/** \file
* \brief Definition of Dublin Core handler.
*
* It is not working as it does not provide any content to the metadata node. It only included
* to demonstrate how a new metadata can be supported. For a working
* example, please see record_rif.php.
*
*/
function create_metadata($outputObj, $cur_record, $identifier, $setspec, $db) {
$sql = "SELECT dc_title, dc_creator, dc_subject, dc_description, dc_contributor, dc_publisher,
dc_date , dc_type , dc_format , dc_identifier , dc_source , dc_language,
dc_relation , dc_coverage , dc_rights
FROM oai_records
WHERE oai_set = '{$setspec}'
AND oai_identifier = '{$identifier}'";
$res = exec_pdo_query($db,$sql);
$record = $res->fetch(PDO::FETCH_ASSOC);
$meta_node = $outputObj->addChild($cur_record ,"metadata");
$schema_node = $outputObj->addChild($meta_node, 'oai_dc:dc');
$schema_node->setAttribute('xmlns:oai_dc', "http://www.openarchives.org/OAI/2.0/oai_dc/");
$schema_node->setAttribute('xmlns:dc',"http://purl.org/dc/elements/1.1/");
$schema_node->setAttribute('xmlns:xsi',"http://www.w3.org/2001/XMLSchema-instance");
$schema_node->setAttribute('xsi:schemaLocation',
'http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd');
foreach ($record as $r => $v) {
if (!empty($v)) {
$outputObj->addChild($schema_node, str_replace('_', ':', $r), $v);
}
}
}