/*
    * 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.stomp;
  
  import io.netty.handler.codec.DecoderResult;
  import io.netty.util.internal.ObjectUtil;
  
  /**
   * Default implementation of {@link StompHeadersSubframe}.
   */
  public class DefaultStompHeadersSubframe implements StompHeadersSubframe {
  
      protected final StompCommand command;
      protected DecoderResult decoderResult = DecoderResult.SUCCESS;
      protected final DefaultStompHeaders headers;
  
      public DefaultStompHeadersSubframe(StompCommand command) {
          this(command, null);
      }
  
      DefaultStompHeadersSubframe(StompCommand command, DefaultStompHeaders headers) {
          this.command = ObjectUtil.checkNotNull(command, "command");
          this.headers = headers == null ? new DefaultStompHeaders() : headers;
      }
  
      @Override
      public StompCommand command() {
          return command;
      }
  
      @Override
      public StompHeaders headers() {
          return headers;
      }
  
      @Override
      public DecoderResult decoderResult() {
          return decoderResult;
      }
  
      @Override
      public void setDecoderResult(DecoderResult decoderResult) {
          this.decoderResult = decoderResult;
      }
  
      @Override
      public String toString() {
          return "StompFrame{" +
              "command=" + command +
              ", headers=" + headers +
              '}';
      }
  }