/*
    * Copyright 2016 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;
  
  import io.netty.util.internal.StringUtil;
  
  import static io.netty.util.internal.ObjectUtil.checkNotNull;
  
  /**
   * The default {@link Http2ResetFrame} implementation.
   */
  public final class DefaultHttp2ResetFrame extends AbstractHttp2StreamFrame implements Http2ResetFrame {
  
      private final long errorCode;
  
      /**
       * Construct a reset message.
       *
       * @param error the non-{@code null} reason for reset
       */
      public DefaultHttp2ResetFrame(Http2Error error) {
          errorCode = checkNotNull(error, "error").code();
      }
  
      /**
       * Construct a reset message.
       *
       * @param errorCode the reason for reset
       */
      public DefaultHttp2ResetFrame(long errorCode) {
          this.errorCode = errorCode;
      }
  
      @Override
      public DefaultHttp2ResetFrame stream(Http2FrameStream stream) {
          super.stream(stream);
          return this;
      }
  
      @Override
      public String name() {
          return "RST_STREAM";
      }
  
      @Override
      public long errorCode() {
          return errorCode;
      }
  
      @Override
      public String toString() {
          return StringUtil.simpleClassName(this) + "(stream=" + stream() + ", errorCode=" + errorCode + ')';
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof DefaultHttp2ResetFrame)) {
              return false;
          }
          DefaultHttp2ResetFrame other = (DefaultHttp2ResetFrame) o;
          return super.equals(o) && errorCode == other.errorCode;
      }
  
      @Override
      public int hashCode() {
          int hash = super.hashCode();
          hash = hash * 31 + (int) (errorCode ^ errorCode >>> 32);
          return hash;
      }
  }