Nlm30CitationSchemaOpenurl10CrosswalkFilter::process PHP Method

    function &process(&$input)
    {
        $nullVar = null;
        // Identify the genre of the target record and
        // instantiate the target description.
        $publicationType = $input->getStatement('[@publication-type]');
        switch ($publicationType) {
            case NLM30_PUBLICATION_TYPE_JOURNAL:
            case NLM30_PUBLICATION_TYPE_CONFPROC:
                $outputSchemaName = 'lib.pkp.plugins.metadata.openurl10.schema.Openurl10JournalSchema';
                break;
            case NLM30_PUBLICATION_TYPE_BOOK:
                $outputSchemaName = 'lib.pkp.plugins.metadata.openurl10.schema.Openurl10BookSchema';
                break;
            case NLM30_PUBLICATION_TYPE_THESIS:
                $outputSchemaName = 'lib.pkp.plugins.metadata.openurl10.schema.Openurl10DissertationSchema';
                break;
            default:
                // Unsupported type
                return $nullVar;
        }
        // Create the target description
        $output = new MetadataDescription($outputSchemaName, $input->getAssocType());
        // Transform authors
        import('lib.pkp.plugins.metadata.nlm30.filter.Nlm30NameSchemaPersonStringFilter');
        $personStringFilter = new Nlm30NameSchemaPersonStringFilter();
        $authors =& $input->getStatement('person-group[@person-group-type="author"]');
        if (is_array($authors) && count($authors)) {
            $aulast = $authors[0]->hasStatement('prefix') ? $authors[0]->getStatement('prefix') . ' ' : '';
            $aulast .= $authors[0]->getStatement('surname');
            if (!empty($aulast)) {
                $success = $output->addStatement('aulast', $aulast);
                assert((bool) $success);
            }
            $givenNames = $authors[0]->getStatement('given-names');
            if (is_array($givenNames) && count($givenNames)) {
                $aufirst = implode(' ', $givenNames);
                if (!empty($aufirst)) {
                    $success = $output->addStatement('aufirst', $aufirst);
                    assert((bool) $success);
                }
                $initials = array();
                foreach ($givenNames as $givenName) {
                    $initials[] = substr($givenName, 0, 1);
                }
                $auinit1 = array_shift($initials);
                if (!empty($auinit1)) {
                    $success = $output->addStatement('auinit1', $auinit1);
                    assert((bool) $success);
                }
                $auinitm = implode('', $initials);
                if (!empty($auinitm)) {
                    $success = $output->addStatement('auinitm', $auinitm);
                    assert((bool) $success);
                }
                $auinit = $auinit1 . $auinitm;
                if (!empty($auinit)) {
                    $success = $output->addStatement('auinit', $auinit);
                    assert((bool) $success);
                }
            }
            $ausuffix = $authors[0]->getStatement('suffix');
            if (!empty($ausuffix)) {
                $success = $output->addStatement('ausuffix', $ausuffix);
                assert((bool) $success);
            }
            foreach ($authors as $author) {
                if ($author == PERSON_STRING_FILTER_ETAL) {
                    $au = $author;
                } else {
                    $au = $personStringFilter->execute($author);
                }
                $success = $output->addStatement('au', $au);
                assert((bool) $success);
                unset($au);
            }
        }
        // Genre: Guesswork
        if (is_a($output->getMetadataSchema(), 'Openurl10JournalBookBaseSchema')) {
            switch ($publicationType) {
                case NLM30_PUBLICATION_TYPE_JOURNAL:
                    $genre = $input->hasProperty('article-title') ? OPENURL10_GENRE_ARTICLE : OPENURL10_GENRE_JOURNAL;
                    break;
                case NLM30_PUBLICATION_TYPE_CONFPROC:
                    $genre = $input->hasProperty('article-title') ? OPENURL10_GENRE_PROCEEDING : OPENURL10_GENRE_CONFERENCE;
                    break;
                case NLM30_PUBLICATION_TYPE_BOOK:
                    $genre = $input->hasProperty('article-title') ? OPENURL10_GENRE_BOOKITEM : OPENURL10_GENRE_BOOK;
                    break;
            }
            assert(!empty($genre));
            $success = $output->addStatement('genre', $genre);
            assert((bool) $success);
        }
        // Map remaining properties (NLM => OpenURL)
        $propertyMap =& $this->nlmOpenurl10Mapping($publicationType, $output->getMetadataSchema());
        // Transfer mapped properties with default locale
        foreach ($propertyMap as $nlm30Property => $openurl10Property) {
            if ($input->hasStatement($nlm30Property)) {
                $success = $output->addStatement($openurl10Property, $input->getStatement($nlm30Property));
                assert((bool) $success);
            }
        }
        return $output;
    }