content: /*
   * Copyright 2016 Google Inc. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.google.samples.apps.ourstreets.data;
  
  import androidx.annotation.NonNull;
  
  import com.google.android.gms.maps.model.LatLng;
  
  import com.firebase.client.DataSnapshot;
  
  /**
   * Utility class for data manipulation
   */
  public final class DataUtils {
  
      /**
       * Read latitude and longitude data from a snapshot's child called {@link JsonKeys#LOCATION}.
       */
      public static @NonNull LatLng readLatLng(@NonNull DataSnapshot snapshot) {
          final DataSnapshot location = snapshot.child(JsonKeys.LOCATION);
          double lat = location.child(JsonKeys.LATITUDE).getValue(Double.class);
          double lng = location.child(JsonKeys.LONGITUDE).getValue(Double.class);
          return new LatLng(lat, lng);
      }
  }
  