/*
    * Copyright 2022 The Netty Project
    *
    * The Netty Project licenses this file to you 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:
    *
    *   https://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 io.netty.handler.ssl.ocsp;
  
  import java.util.Date;
  
  import static io.netty.util.internal.ObjectUtil.checkNotNull;
  
  public class OcspResponse {
      private final Status status;
      private final Date thisUpdate;
      private final Date nextUpdate;
  
      public OcspResponse(Status status, Date thisUpdate, Date nextUpdate) {
          this.status = checkNotNull(status, "Status");
          this.thisUpdate = checkNotNull(thisUpdate, "ThisUpdate");
          this.nextUpdate = nextUpdate; // The 'nextUpdate' field is optional.
      }
  
      /**
       * The OCSP response status, saying if the certificate is valid or not.
       */
      public Status status() {
          return status;
      }
  
      /**
       * The date of the given OCSP update, never {@code null}.
       */
      public Date thisUpdate() {
          return thisUpdate;
      }
  
      /**
       * The future date of the next OCSP update, if any.
       * This field is optional, and if {@code null}, indicates that an update is available at any time.
       */
      public Date nextUpdate() {
          return nextUpdate;
      }
  
      @Override
      public String toString() {
          return "OcspResponse{" +
                  "status=" + status +
                  ", thisUpdate=" + thisUpdate +
                  ", nextUpdate=" + nextUpdate +
                  '}';
      }
  
      public enum Status {
          /**
           * Certificate is valid
           */
          VALID,
  
          /**
           * Certificate is revoked
           */
          REVOKED,
  
          /**
           * Certificate status is unknown
           */
          UNKNOWN
      }
  }