@@ -0,0 +1,1744 @@
+// Copyright 2020 Google LLC%0A %0A// Licensed under the Apache License, Version 2.0 (the %22License%22);%0A// you may not use this file except in compliance with the License.%0A// You may obtain a copy of the License at%0A %0A//     https://www.apache.org/licenses/LICENSE-2.0%0A %0A// Unless required by applicable law or agreed to in writing, software%0A// distributed under the License is distributed on an %22AS IS%22 BASIS,%0A// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A// See the License for the specific language governing permissions and%0A// limitations under the License.%0A %0Apackage com.google.speech.tools.voxetta;%0A %0Aimport com.google.appengine.api.blobstore.BlobstoreService;%0Aimport com.google.appengine.api.blobstore.BlobstoreServiceFactory;%0Aimport java.io.IOException;%0Aimport javax.servlet.annotation.WebServlet;%0Aimport javax.servlet.http.HttpServlet;%0Aimport javax.servlet.http.HttpServletRequest;%0Aimport javax.servlet.http.HttpServletResponse;%0A %0A/** %0A* Servlet that returns a Blobstore URL. %0A*/%0A@WebServlet(%22/blobstore-link%22)%0Apublic class BlobstoreLinkServlet extends HttpServlet %7B%0A %0A  private BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();%0A %0A  @Override%0A  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException %7B%0A    // Redirect to Datastore processing after Blobstore processing%0A    String uploadUrl = blobstoreService.createUploadUrl(%22/upload-utterance%22);%0A %0A    response.setContentType(%22text/html%22);%0A    response.getWriter().println(uploadUrl);%0A  %7D%0A%0A  /** %0A  * Allow the servlet's Blobstore service to be set for mocking purposes%0A  */%0A  public void setBlobstoreService(BlobstoreService inputService) %7B%0A      blobstoreService = inputService; %0A  %7D%0A%7D%0A

add servlet that returns a Blobstore upload link