classes/oai/format/OAIMetadataFormat_DC.inc.php

<?php

// $Id: OAIMetadataFormat_DC.inc.php,v 1.11 2008/07/01 01:16:10 asmecher Exp $


class OAIMetadataFormat_DC extends OAIMetadataFormat {

   function toXML(&$record) {
      // Add page information to sources
      if (!empty($record->pages)) foreach ((array) $record->sources as $a => $b) {
         $record->sources[$a] .= '; ' . $record->pages;
      }

      $response = "<oai_dc:dc\n" .
         "\txmlns:oai_dc=\"http://www.openarchives.org/OAI/2.0/oai_dc/\"\n" .
         "\txmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n" .
         "\txmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" .
         "\txsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/oai_dc/\n" .
         "\thttp://www.openarchives.org/OAI/2.0/oai_dc.xsd\">\n" .
         $this->formatElement('title', $record->titles, true) .
         $this->formatElement('creator', $record->creator) .
         $this->formatElement('subject', $record->subjects, true) .
         $this->formatElement('description', $record->descriptions, true) .
         $this->formatElement('publisher', $record->publishers, true) .
         $this->formatElement('contributor', $record->contributors, true) .
         $this->formatElement('date', $record->date) .
         $this->formatElement('type', $record->types, true) .
         $this->formatElement('format', $record->format) .
         $this->formatElement('identifier', $record->url) .
         $this->formatElement('source', $record->sources, true) .
         $this->formatElement('language', $record->language) .
         $this->formatElement('relation', $record->relation) .
         $this->formatElement('coverage', $record->coverage, true) .
         $this->formatElement('rights', $record->rights) .
         "</oai_dc:dc>\n";

      return $response;
   }

   function formatElement($name, $value, $multilingual = false) {
      if (!is_array($value)) {
         $value = array($value);
      }

      $response = '';
      foreach ($value as $key => $v) {
         if (!$multilingual) $response .= "\t<dc:$name>" . $this->oai->prepOutput($v) . "</dc:$name>\n";
         else {
            if (is_array($v)) {
               foreach ($v as $subV) {
                  $response .= "\t<dc:$name xml:lang=\"$key\">" . $this->oai->prepOutput($subV) . "</dc:$name>\n";
               }
            } else {
               $response .= "\t<dc:$name xml:lang=\"$key\">" . $this->oai->prepOutput($v) . "</dc:$name>\n";
            }
         }
      }
      return $response;
   }

}

?>

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