Merge pull request #27 from oat-sa/feature/TAO-2329_stream_loading

Feature/tao 2329 stream loading
oat-sa · Mar 31, 2016 · 93ee673 · 93ee673
2 parents 14b622f + c3e5e92
commit 93ee673
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Showing 6 changed files with 326 additions and 180 deletions.
diff --git a/qtism/data/QtiDocument.php b/qtism/data/QtiDocument.php
@@ -26,69 +26,85 @@
 use qtism\data\storage\StorageException;
 
 abstract class QtiDocument {
-    
+
     /**
-     * 
+     *
      * @var string
      */
     private $version = '2.1';
-    
+
     /**
-     * 
+     *
      * @var QtiComponent
      */
     private $documentComponent;
-    
+
     /**
-     * 
+     *
      * @var string
      */
     private $url;
-    
+
     public function __construct($version = '2.1', QtiComponent $documentComponent = null) {
         $this->setVersion($version);
         $this->setDocumentComponent($documentComponent);
     }
-    
+
     public function setVersion($version) {
         $this->version = $version;
     }
-    
+
     public function getVersion() {
         return $this->version;
     }
-    
+
     public function setDocumentComponent(QtiComponent $documentComponent = null) {
         $this->documentComponent = $documentComponent;
     }
-    
+
     /**
-     * 
+     *
      * @return QtiComponent
      */
     public function getDocumentComponent() {
         return $this->documentComponent;
     }
-    
+
     protected function setUrl($url) {
         $this->url = $url;
     }
-    
+
     public function getUrl() {
         return $this->url;
     }
-    
+
     /**
-     * 
+     *
      * @param string $url
-     * @throws StorageException 
+     * @throws StorageException
      */
     abstract public function load($url);
-    
+
     /**
-     * 
+     *
      * @param string $url
      * @throws StorageException
      */
     abstract public function save($url);
-}
+
+    /**
+     * Load the document content from a string.
+     *
+     * @param string $data
+     * @return string
+     * @throws StorageException
+     */
+    abstract public function loadFromString($data);
+
+    /**
+     * Save the document content as a string.
+     *
+     * @return string
+     */
+    abstract public function saveToString();
+}