content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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
   *
   *     http://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 org.apache.bookkeeper.common.coder;
  
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.ByteBufUtil;
  import lombok.AccessLevel;
  import lombok.NoArgsConstructor;
  
  /**
   * A byte array {@link Coder}.
   */
  @NoArgsConstructor(access = AccessLevel.PRIVATE)
  public class ByteArrayCoder implements Coder<byte[]> {
  
      public static ByteArrayCoder of() {
          return INSTANCE;
      }
  
      private static final ByteArrayCoder INSTANCE = new ByteArrayCoder();
  
      @Override
      public byte[] encode(byte[] value) {
          return value;
      }
  
      @Override
      public void encode(byte[] value, ByteBuf destBuf) {
          destBuf.writeBytes(value);
      }
  
      @Override
      public int getSerializedSize(byte[] value) {
          return value.length;
      }
  
      @Override
      public byte[] decode(ByteBuf data) {
          return ByteBufUtil.getBytes(data);
      }
  }
  