/**
* @covers NlmCitationSchemaOpenUrlCrosswalkFilter
* @covers OpenUrlCrosswalkFilter
*/
public function testExecute()
{
$nlmDescription = $this->getTestNlmDescription();
$openUrlDescription = $this->getTestOpenUrlDescription();
$filter = new NlmCitationSchemaOpenUrlCrosswalkFilter();
self::assertEquals($openUrlDescription, $filter->execute($nlmDescription));
}
/**
* Prepare a search with the CrossRef OpenURL resolver
* @param $citationDescription MetadataDescription
* @return array an array of search parameters
*/
function &_prepareOpenUrlSearch(&$citationDescription)
{
$nullVar = null;
// Crosswalk to OpenURL
import('lib.pkp.classes.metadata.nlm.NlmCitationSchemaOpenUrlCrosswalkFilter');
$nlmOpenUrlFilter = new NlmCitationSchemaOpenUrlCrosswalkFilter();
if (is_null($openUrlCitation =& $nlmOpenUrlFilter->execute($citationDescription))) {
return $nullVar;
}
// Prepare the search
$searchParams = array('url_ver' => 'Z39.88-2004');
// Configure the meta-data schema
$openUrlCitationSchema =& $openUrlCitation->getMetadataSchema();
switch (true) {
case is_a($openUrlCitationSchema, 'OpenUrlJournalSchema'):
$searchParams['rft_val_fmt'] = 'info:ofi/fmt:kev:mtx:journal';
break;
case is_a($openUrlCitationSchema, 'OpenUrlBookSchema'):
$searchParams['rft_val_fmt'] = 'info:ofi/fmt:kev:mtx:book';
break;
case is_a($openUrlCitationSchema, 'OpenUrlDissertationSchema'):
$searchParams['rft_val_fmt'] = 'info:ofi/fmt:kev:mtx:dissertation';
break;
default:
assert(false);
}
// Add all OpenURL meta-data to the search parameters
// FIXME: Implement a looping search like for other lookup services.
$searchProperties = array('aufirst', 'aulast', 'btitle', 'jtitle', 'atitle', 'issn', 'artnum', 'date', 'volume', 'issue', 'spage', 'epage');
foreach ($searchProperties as $property) {
if ($openUrlCitation->hasStatement($property)) {
$searchParams['rft.' . $property] = $openUrlCitation->getStatement($property);
}
}
return $searchParams;
}
