Merged WEBAPP-API (5.2.1) to 5.2.N (5.2.1)

134630 cpopa: APPSREPO-105 : Add an API to download multiple file/folders as a zip
      - Added an API for creating a download, retrieving download info and canceling a download


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@134671 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/rest/api/Downloads.java

@@ -0,0 +1,59 @@
+/*
+ * #%L
+ * Alfresco Remote API
+ * %%
+ * Copyright (C) 2005 - 2016 Alfresco Software Limited
+ * %%
+ * This file is part of the Alfresco software. 
+ * If the software was purchased under a paid Alfresco license, the terms of 
+ * the paid license agreement will prevail.  Otherwise, the software is 
+ * provided under the following open source license terms:
+ * 
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * #L%
+ */
+package org.alfresco.rest.api;
+
+import org.alfresco.rest.api.model.Download;
+
+/**
+ * downloads API
+ * 
+ * @author cpopa
+ *
+ */
+public interface Downloads
+{
+    /**
+     * Creates a download:download node.
+     * 
+     * @param download
+     * @return information about the newly created download:download node
+     */
+    Download createDownloadNode(Download download);
+
+    /**
+     * Get status info about a download node.
+     * 
+     * @param downloadNodeId
+     * @return status info about a download:download node
+     */
+    Download getDownloadStatus(String downloadNodeId);
+    
+    /**
+     * Stop the zip creation if still in progress
+     * @param downloadNodeId
+     */
+    void cancel(String downloadNodeId);
+}