content: /*
   * Copyright (C) 2013 Facebook, Inc.
   *
   * Licensed 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 io.airlift.drift.transport.netty.ssl;
  
  import com.google.errorprone.annotations.CheckReturnValue;
  import io.airlift.drift.protocol.TTransport;
  import io.netty.buffer.ByteBuf;
  import io.netty.util.ReferenceCounted;
  
  import static java.util.Objects.requireNonNull;
  
  // This class is not thread safe
  public class TChannelBufferInputTransport
          implements TTransport, ReferenceCounted
  {
      private final ByteBuf buffer;
  
      public TChannelBufferInputTransport(ByteBuf buffer)
      {
          this.buffer = requireNonNull(buffer, "buffer is null");
      }
  
      @Override
      public void read(byte[] buf, int off, int len)
      {
          buffer.readBytes(buf, off, len);
      }
  
      @Override
      public void write(byte[] buf, int off, int len)
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public int refCnt()
      {
          return buffer.refCnt();
      }
  
      @Override
      public ReferenceCounted retain()
      {
          buffer.retain();
          return this;
      }
  
      @Override
      public ReferenceCounted retain(int increment)
      {
          buffer.retain(increment);
          return this;
      }
  
      @Override
      public ReferenceCounted touch()
      {
          buffer.touch();
          return this;
      }
  
      @Override
      public ReferenceCounted touch(Object hint)
      {
          buffer.touch(hint);
          return this;
      }
  
      @CheckReturnValue
      @Override
      public boolean release()
      {
          return buffer.release();
      }
  
      @Override
      public boolean release(int decrement)
      {
          return buffer.release(decrement);
      }
  }
  