content: /*
   * Copyright 2013-2020 Agorava
   *
   * 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 org.agorava.api.service;
  
  /**
   * Unix epoch timestamp generator.
   * <p>
   * This class is useful for stubbing in tests.
   *
   * @author Pablo Fernandez
   * @author Antoine Sabot-Durand
   * @author Werner Keil
   */
  public interface TimestampService {
      /**
       * Returns the unix epoch timestamp in seconds
       *
       * @return timestamp
       */
      String getTimestampInSeconds();
  
      /**
       * Returns a nonce (unique value for each request)
       *
       * @return nonce
       */
      String getNonce();
  }
  