Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
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// $Id$
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/**
* @file
* Exiftool
*/
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/**
* This Class implements the methods defined in the STANDARD_IMAGE content model
*/
class Exiftool {
private $pid = NULL;
private $item = NULL;
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/**
* Constructor
* @param type $pid
*/
function __construct($pid) {
//drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
$this->pid = $pid;
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$this->item = new Fedora_Item($this->pid);
}
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/**
* extract metadata ??
* @param type $parameterArray
* @param type $dsid
* @param type $file
* @param type $file_ext
* @return type
*/
function extractMetadata($parameterArray, $dsid, $file, $file_ext) {
$system = getenv('System');
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$file_suffix = '_' . $dsid . '.xml';
$returnValue = TRUE;
$output = array();
exec('exiftool -X ' . escapeshellarg($file) . '', $output);
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file_put_contents($file . $file_suffix, implode("\n", $output));
$_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
return TRUE;
}
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/**
* display metadata ???
* @return type
*/
function displayMetadata() {
$output = '';
$exif = $this->item->get_datastream_dissemination('EXIF');
if (trim($exif) != '') {
$exifDom = DOMDocument::loadXML($this->item->get_datastream_dissemination('EXIF'));
if ($exifDom != NULL) {
$description = $exifDom->getElementsByTagNameNS('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'Description');
if ($description->length > 0) {
$description = $description->item(0);
$output .= '<div class="fedora_technical_metadata"><ul>';
for ($i = 0; $i < $description->childNodes->length; $i++) {
$name = $description->childNodes->item($i)->nodeName;
$value = $description->childNodes->item($i)->nodeValue;
if ($name != '#text' && !preg_match('/^System\:.*$/', $name) && trim($value) != '') {
list($type, $name) = preg_split('/\:/', $name);
$name = trim(preg_replace('/(?<!^)([A-Z][a-z]|(?<=[a-z])[A-Z])/', " $1", $name));
$output .= '<li><b>' . $name . '</b>: ' . $value . ' </li>';
}
}
$output.='</ul></div>';
$fieldset = array(
'#title' => t("!text", array('!text' => 'Technical Metadata')),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#value' => $output
);
$output = theme('fieldset', $fieldset);
}
}
}
return $output;
}
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}