sketching out fits support

plugins/fits.inc

@@ -0,0 +1,85 @@
+<?php
+
+/**
+ * @file
+ * Fits
+ * fits.sh must be in the apache user's path
+ */
+
+/**
+ * This Class implements the methods defined in the STANDARD_IMAGE content model
+ */
+class fits {
+
+  private $pid = NULL;
+  private $item = NULL;
+
+  /**
+   * 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);
+  }
+
+  /**
+   * 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');
+    $file_suffix = '_' . $dsid . '.xml';
+    $returnValue = TRUE;
+    $output = array();
+    exec('fits ' . escapeshellarg($file) . '', $output);
+    file_put_contents($file . $file_suffix, implode("\n", $output));
+    $_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
+    return TRUE;
+  }
+
+  /**
+   * display metadata
+   * @return type
+   */
+  function displayMetadata() {
+    $output = '';
+    $exif = $this->item->get_datastream_dissemination('FITS');
+    if (trim($exif) != '') {
+      $exifDom = DOMDocument::loadXML($this->item->get_datastream_dissemination('FITS'));
+      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' => 'FITS Technical Metadata')),
+            '#collapsible' => TRUE,
+            '#collapsed' => TRUE,
+            '#value' => $output
+          );
+          $output = theme('fieldset', $fieldset);
+        }
+      }
+    }
+    return $output;
+  }
+
+}