+     * Checks the existence of the folder where the current file will be uploaded both in the remote server 
+     * and in the local database.
+     * 
+     * If the upload is set to enforce the creation of the folder, the method tries to create it both remote
+     * and locally.
+     *  
+     *  @param  pathToGrant     Full remote path whose existence will be granted.
+     *  @return  An {@link OCFile} instance corresponding to the folder where the file will be uploaded.
+     */
+    private RemoteOperationResult grantFolderExistence(String pathToGrant) {
+        RemoteOperation operation = new ExistenceCheckOperation(pathToGrant, this, false);
+        RemoteOperationResult result = operation.execute(mUploadClient);
+        if (!result.isSuccess() && result.getCode() == ResultCode.FILE_NOT_FOUND && mCurrentUpload.isRemoteFolderToBeCreated()) {
+            operation = new CreateFolderOperation(  pathToGrant,
+                                                    true,
+                                                    mStorageManager    );
+            result = operation.execute(mUploadClient);
+        }
+        if (result.isSuccess()) {
+            OCFile parentDir = mStorageManager.getFileByPath(pathToGrant);
+            if (parentDir == null) {
+                parentDir = createLocalFolder(pathToGrant);
+            }
+            if (parentDir != null) {
+                result = new RemoteOperationResult(ResultCode.OK);
+            } else {
+                result = new RemoteOperationResult(ResultCode.UNKNOWN_ERROR);
+            }
+        }
+        return result;
+    }
+
+    
+    private OCFile createLocalFolder(String remotePath) {
+        String parentPath = new File(remotePath).getParent();
+        parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
+        OCFile parent = mStorageManager.getFileByPath(parentPath);
+        if (parent == null) {
+            parent = createLocalFolder(parentPath);
+        }
+        if (parent != null) {
+            OCFile createdFolder = new OCFile(remotePath);
+            createdFolder.setMimetype("DIR");
+            createdFolder.setParentId(parent.getFileId());
+            mStorageManager.saveFile(createdFolder);
+            return createdFolder;
+        }
+        return null;
+    }
+    
+
+    /**