Added a method to display exif metadata from the EXIF datstream of an object.

plugins/Exiftool.inc

@@ -8,7 +8,15 @@
  */
 
 class Exiftool {
-  function Exiftool() {
+
+  private $pid = NULL;
+  private $item = NULL;
+
+  function __construct($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);
   }
 
   function extractMetadata($parameterArray, $dsid, $file, $file_ext) {
@@ -21,4 +29,35 @@ class Exiftool {
     $_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
     return TRUE;
   }
+  
+  function displayMetadata() { 
+    $output='';
+    $exifDom = DOMDocument::loadXML($this->item->get_datastream_dissemination('EXIF'));
+    
+    $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;
+  }
+  
 }