content: /*
   * 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.compress.v3.zstd;
  
  import io.airlift.compress.v3.hadoop.HadoopInputStream;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import static java.util.Objects.requireNonNull;
  
  class ZstdHadoopInputStream
          extends HadoopInputStream
  {
      private final InputStream in;
      private ZstdInputStream zstdInputStream;
  
      public ZstdHadoopInputStream(InputStream in)
      {
          this.in = requireNonNull(in, "in is null");
          zstdInputStream = new ZstdInputStream(in);
      }
  
      @Override
      public int read()
              throws IOException
      {
          return zstdInputStream.read();
      }
  
      @Override
      public int read(byte[] b)
              throws IOException
      {
          return zstdInputStream.read(b);
      }
  
      @Override
      public int read(byte[] outputBuffer, int outputOffset, int outputLength)
              throws IOException
      {
          return zstdInputStream.read(outputBuffer, outputOffset, outputLength);
      }
  
      @Override
      public void resetState()
      {
          zstdInputStream = new ZstdInputStream(in);
      }
  
      @Override
      public void close()
              throws IOException
      {
          zstdInputStream.close();
      }
  }
  