/*
    * 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.buffer.ByteBuf;
  import io.netty.buffer.Unpooled;
  import io.netty.util.CharsetUtil;
  import io.netty.util.internal.ObjectUtil;
  
  /**
   * Default implementation of {@link StompFrame}.
   */
  public class DefaultStompFrame extends DefaultStompHeadersSubframe implements StompFrame {
  
      private final ByteBuf content;
  
      public DefaultStompFrame(StompCommand command) {
          this(command, Unpooled.buffer(0));
      }
  
      public DefaultStompFrame(StompCommand command, ByteBuf content) {
          this(command, content, null);
      }
  
      DefaultStompFrame(StompCommand command, ByteBuf content, DefaultStompHeaders headers) {
          super(command, headers);
          this.content = ObjectUtil.checkNotNull(content, "content");
      }
  
      @Override
      public ByteBuf content() {
          return content;
      }
  
      @Override
      public StompFrame copy() {
          return replace(content.copy());
      }
  
      @Override
      public StompFrame duplicate() {
          return replace(content.duplicate());
      }
  
      @Override
      public StompFrame retainedDuplicate() {
          return replace(content.retainedDuplicate());
      }
  
      @Override
      public StompFrame replace(ByteBuf content) {
          return new DefaultStompFrame(command, content, headers.copy());
      }
  
      @Override
      public int refCnt() {
          return content.refCnt();
      }
  
      @Override
      public StompFrame retain() {
          content.retain();
          return this;
      }
  
      @Override
      public StompFrame retain(int increment) {
          content.retain(increment);
          return this;
      }
  
      @Override
      public StompFrame touch() {
          content.touch();
          return this;
      }
  
      @Override
      public StompFrame touch(Object hint) {
          content.touch(hint);
          return this;
      }
  
      @Override
      public boolean release() {
          return content.release();
     }
 
     @Override
     public boolean release(int decrement) {
         return content.release(decrement);
     }
 
     @Override
     public String toString() {
         return "DefaultStompFrame{" +
             "command=" + command +
             ", headers=" + headers +
             ", content=" + content.toString(CharsetUtil.UTF_8) +
             '}';
     }
 }