Google doc integration

- fix to prevent document upload freezing when documents large
  


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20344 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/jscript/ScriptNode.java

@@ -49,6 +49,8 @@ import org.alfresco.repo.thumbnail.CreateThumbnailActionExecuter;
 import org.alfresco.repo.thumbnail.ThumbnailDefinition;
 import org.alfresco.repo.thumbnail.ThumbnailRegistry;
 import org.alfresco.repo.thumbnail.script.ScriptThumbnail;
+import org.alfresco.repo.transaction.AlfrescoTransactionSupport;
+import org.alfresco.repo.transaction.TransactionUtil;
 import org.alfresco.repo.version.VersionModel;
 import org.alfresco.repo.workflow.jscript.JscriptWorkflowInstance;
 import org.alfresco.scripts.ScriptException;
@@ -1953,6 +1955,17 @@ public class ScriptNode implements Serializable, Scopeable, NamespacePrefixResol
         return workingCopy;
     }
     
+    /**
+     * Performs a check-out of this document for the purposes of an upload
+     * 
+     * @return
+     */
+    public ScriptNode checkoutForUpload()
+    {
+        AlfrescoTransactionSupport.bindResource("checkoutforupload", Boolean.TRUE.toString());
+        return checkout();
+    }
+    
     /**
      * Perform a check-out of this document into the specified destination space.
      *