/*
    * Copyright 2014 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.codec.http2;
  
  /**
   * All error codes identified by the HTTP/2 spec.
   */
  public enum Http2Error {
      NO_ERROR(0x0),
      PROTOCOL_ERROR(0x1),
      INTERNAL_ERROR(0x2),
      FLOW_CONTROL_ERROR(0x3),
      SETTINGS_TIMEOUT(0x4),
      STREAM_CLOSED(0x5),
      FRAME_SIZE_ERROR(0x6),
      REFUSED_STREAM(0x7),
      CANCEL(0x8),
      COMPRESSION_ERROR(0x9),
      CONNECT_ERROR(0xA),
      ENHANCE_YOUR_CALM(0xB),
      INADEQUATE_SECURITY(0xC),
      HTTP_1_1_REQUIRED(0xD);
  
      private final long code;
      private static final Http2Error[] INT_TO_ENUM_MAP;
      static {
          Http2Error[] errors = values();
          Http2Error[] map = new Http2Error[errors.length];
          for (Http2Error error : errors) {
              map[(int) error.code()] = error;
          }
          INT_TO_ENUM_MAP = map;
      }
  
      Http2Error(long code) {
          this.code = code;
      }
  
      /**
       * Gets the code for this error used on the wire.
       */
      public long code() {
          return code;
      }
  
      public static Http2Error valueOf(long value) {
          return value >= INT_TO_ENUM_MAP.length || value < 0 ? null : INT_TO_ENUM_MAP[(int) value];
      }
  }