@@ -0,0 +1,3369 @@
+// 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.services;%0A%0Aimport com.google.appengine.api.blobstore.BlobInfo;%0Aimport com.google.appengine.api.blobstore.BlobInfoFactory;%0Aimport com.google.appengine.api.blobstore.BlobKey;%0Aimport com.google.appengine.api.blobstore.BlobstoreService;%0Aimport com.google.appengine.api.blobstore.BlobstoreServiceFactory;%0Aimport com.google.appengine.api.datastore.DatastoreService;%0Aimport com.google.appengine.api.datastore.DatastoreServiceFactory;%0Aimport com.google.appengine.api.datastore.Entity;%0Aimport com.google.speech.tools.voxetta.data.Utterance; %0Aimport java.util.List;%0Aimport java.util.Map;%0Aimport javax.servlet.http.HttpServletRequest;%0A%0A/** %0A * Functionality for uploading audio files to Blobstore & uploading the related Utterance%0A * object to Datastore.  %0A */%0Apublic class DatastoreUtteranceService implements UtteranceService %7B%0A  %0A  private DatastoreService datastoreService = DatastoreServiceFactory.getDatastoreService();%0A  private BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();%0A%0A  public void saveUtterance(Utterance utterance) %7B%0A    // Create and initialize a new Utterance Entity%0A    Entity utteranceEntity = new Entity(%22Utterance%22);%0A    utteranceEntity.setProperty(%22audioKey%22, utterance.getAudio());%0A    utteranceEntity.setProperty(%22userId%22, utterance.getUserId());%0A    utteranceEntity.setProperty(%22promptId%22, utterance.getPromptId());%0A    utteranceEntity.setProperty(%22device%22, utterance.getDevice());%0A    utteranceEntity.setProperty(%22age%22, utterance.getAge());%0A    utteranceEntity.setProperty(%22gender%22, utterance.getGender());%0A    %0A    // Store the Utterance Entity in Datastore %0A    datastoreService.put(utteranceEntity); %0A  %7D%0A%0A  /** %0A   * Returns the BlobKey of the just-uploaded audio file. %0A   */%0A  public String getAudio(HttpServletRequest request) %7B%0A    Map%3CString, List%3CBlobKey%3E%3E blobs = blobstoreService.getUploads(request);%0A    List%3CBlobKey%3E blobKeys = blobs.get(%22audio%22);%0A%0A    // Return null if an audio file was not uploaded%0A    if (blobKeys == null %7C%7C blobKeys.isEmpty()) %7B%0A      return null; %0A    %7D%0A %0A    // Return the BlobKey of the uploaded file%0A    return blobKeys.get(0).getKeyString();%0A  %7D%0A%0A  /** %0A   * Return a Blobstore Upload URL that redirects to the Utterance Upload Servlet.%0A   */%0A  public String getFormUrl() %7B%0A    return blobstoreService.createUploadUrl(%22/upload-utterance%22); %0A  %7D%0A%0A  /** %0A   * Allow the servlet's Datastore service to be set for mocking purposes.%0A   */%0A  public void setDatastoreService(DatastoreService inputService) %7B%0A    datastoreService = inputService; %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 Datastore/Blobstore class that extends UtteranceService