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   /*
    * Copyright 2012 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.marshalling;
  
  import io.netty.buffer.ByteBuf;
  import org.jboss.marshalling.ByteOutput;
  
  import java.io.IOException;
  
  /**
   * {@link ByteOutput} implementation which writes the data to a {@link ByteBuf}
   *
   *
   */
  class ChannelBufferByteOutput implements ByteOutput {
  
      private final ByteBuf buffer;
  
      /**
       * Create a new instance which use the given {@link ByteBuf}
       */
      ChannelBufferByteOutput(ByteBuf buffer) {
          this.buffer = buffer;
      }
  
      @Override
      public void close() throws IOException {
          // Nothing to do
      }
  
      @Override
      public void flush() throws IOException {
          // nothing to do
      }
  
      @Override
      public void write(int b) throws IOException {
          buffer.writeByte(b);
      }
  
      @Override
      public void write(byte[] bytes) throws IOException {
          buffer.writeBytes(bytes);
      }
  
      @Override
      public void write(byte[] bytes, int srcIndex, int length) throws IOException {
          buffer.writeBytes(bytes, srcIndex, length);
      }
  
      /**
       * Return the {@link ByteBuf} which contains the written content
       *
       */
      ByteBuf getBuffer() {
          return buffer;
      }
  }