function &extractMetadataFromDataObject(&$article)
{
assert(is_a($article, 'Article'));
AppLocale::requireComponents(LOCALE_COMPONENT_APP_COMMON, LOCALE_COMPONENT_PKP_SUBMISSION);
// Retrieve data that belongs to the article.
// FIXME: Retrieve this data from the respective entity DAOs rather than
// from the OAIDAO once we've migrated all OAI providers to the
// meta-data framework. We're using the OAIDAO here because it
// contains cached entities and avoids extra database access if this
// adapter is called from an OAI context.
$oaiDao = DAORegistry::getDAO('OAIDAO');
/* @var $oaiDao OAIDAO */
$journal = $oaiDao->getJournal($article->getJournalId());
$section = $oaiDao->getSection($article->getSectionId());
if (is_a($article, 'PublishedArticle')) {
/* @var $article PublishedArticle */
$issue = $oaiDao->getIssue($article->getIssueId());
} else {
$issue = null;
}
$dc11Description = $this->instantiateMetadataDescription();
// Title
$this->_addLocalizedElements($dc11Description, 'dc:title', $article->getTitle(null));
// Creator
$authors = $article->getAuthors();
foreach ($authors as $author) {
$dc11Description->addStatement('dc:creator', $author->getFullName(true));
}
// Subject
$subjects = array_merge_recursive((array) $article->getDiscipline(null), (array) $article->getSubject(null));
$this->_addLocalizedElements($dc11Description, 'dc:subject', $subjects);
// Description
$this->_addLocalizedElements($dc11Description, 'dc:description', $article->getAbstract(null));
// Publisher
$publisherInstitution = $journal->getSetting('publisherInstitution');
if (!empty($publisherInstitution)) {
$publishers = array($journal->getPrimaryLocale() => $publisherInstitution);
} else {
$publishers = $journal->getName(null);
// Default
}
$this->_addLocalizedElements($dc11Description, 'dc:publisher', $publishers);
// Contributor
$contributors = (array) $article->getSponsor(null);
foreach ($contributors as $locale => $contributor) {
$contributors[$locale] = array_map('trim', explode(';', $contributor));
}
$this->_addLocalizedElements($dc11Description, 'dc:contributor', $contributors);
// Date
if (is_a($article, 'PublishedArticle')) {
if ($article->getDatePublished()) {
$dc11Description->addStatement('dc:date', date('Y-m-d', strtotime($article->getDatePublished())));
} elseif (isset($issue) && $issue->getDatePublished()) {
$dc11Description->addStatement('dc:date', date('Y-m-d', strtotime($issue->getDatePublished())));
}
}
// Type
$driverType = 'info:eu-repo/semantics/article';
$dc11Description->addStatement('dc:type', $driverType, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
$types = $section->getIdentifyType(null);
$types = array_merge_recursive(empty($types) ? array(AppLocale::getLocale() => __('rt.metadata.pkp.peerReviewed')) : $types, (array) $article->getType(null));
$this->_addLocalizedElements($dc11Description, 'dc:type', $types);
$driverVersion = 'info:eu-repo/semantics/publishedVersion';
$dc11Description->addStatement('dc:type', $driverVersion, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
// Format
if (is_a($article, 'PublishedArticle')) {
$articleGalleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
/* @var $articleGalleyDao ArticleGalleyDAO */
$galleys = $articleGalleyDao->getBySubmissionId($article->getId());
$formats = array();
while ($galley = $galleys->next()) {
$dc11Description->addStatement('dc:format', $galley->getFileType());
}
}
// Identifier: URL
if (is_a($article, 'PublishedArticle')) {
$dc11Description->addStatement('dc:identifier', Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId())));
}
// Source (journal title, issue id and pages)
$sources = $journal->getName(null);
$pages = $article->getPages();
if (!empty($pages)) {
$pages = '; ' . $pages;
}
foreach ($sources as $locale => $source) {
if (is_a($article, 'PublishedArticle')) {
$sources[$locale] .= '; ' . $issue->getIssueIdentification();
}
$sources[$locale] .= $pages;
}
$this->_addLocalizedElements($dc11Description, 'dc:source', $sources);
if ($issn = $journal->getSetting('onlineIssn')) {
$dc11Description->addStatement('dc:source', $issn, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
}
if ($issn = $journal->getSetting('printIssn')) {
$dc11Description->addStatement('dc:source', $issn, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
}
// Get galleys and supp files.
$galleys = array();
if (is_a($article, 'PublishedArticle')) {
$articleGalleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
/* @var $articleGalleyDao ArticleGalleyDAO */
$galleys = $articleGalleyDao->getBySubmissionId($article->getId())->toArray();
}
// Language
$locales = array();
if (is_a($article, 'PublishedArticle')) {
foreach ($galleys as $galley) {
$galleyLocale = $galley->getLocale();
if (!is_null($galleyLocale) && !in_array($galleyLocale, $locales)) {
$locales[] = $galleyLocale;
$dc11Description->addStatement('dc:language', AppLocale::getIso3FromLocale($galleyLocale));
}
}
}
$articleLanguage = $article->getLanguage();
if (empty($locales) && !empty($articleLanguage)) {
$dc11Description->addStatement('dc:language', strip_tags($articleLanguage));
}
// Relation
// full text URLs
foreach ($galleys as $galley) {
$relation = Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId(), $galley->getBestGalleyId()));
$dc11Description->addStatement('dc:relation', $relation);
unset($relation);
}
// Public identifiers
$pubIdPlugins = (array) PluginRegistry::loadCategory('pubIds', true, $journal->getId());
foreach ($pubIdPlugins as $pubIdPlugin) {
if ($pubIssueId = $issue->getStoredPubId($pubIdPlugin->getPubIdType())) {
$dc11Description->addStatement('dc:source', $pubIssueId, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
unset($pubIssueId);
}
if ($pubArticleId = $article->getStoredPubId($pubIdPlugin->getPubIdType())) {
$dc11Description->addStatement('dc:identifier', $pubArticleId);
unset($pubArticleId);
}
foreach ($galleys as $galley) {
if ($pubGalleyId = $galley->getStoredPubId($pubIdPlugin->getPubIdType())) {
$dc11Description->addStatement('dc:relation', $pubGalleyId);
unset($pubGalleyId);
}
}
}
// Coverage
$this->_addLocalizedElements($dc11Description, 'dc:coverage', (array) $article->getCoverage(null));
// Rights: Add both copyright statement and license
$copyrightHolder = $article->getLocalizedCopyrightHolder();
$copyrightYear = $article->getCopyrightYear();
if (!empty($copyrightHolder) && !empty($copyrightYear)) {
$dc11Description->addStatement('dc:rights', __('submission.copyrightStatement', array('copyrightHolder' => $copyrightHolder, 'copyrightYear' => $copyrightYear)));
}
if ($licenseUrl = $article->getLicenseURL()) {
$dc11Description->addStatement('dc:rights', $licenseUrl);
}
Hookregistry::call('Dc11SchemaArticleAdapter::extractMetadataFromDataObject', array($this, $article, $journal, $issue, &$dc11Description));
return $dc11Description;
}