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.thirdparty;
  
  import io.airlift.compress.v3.Compressor;
  
  import java.lang.foreign.MemorySegment;
  import java.util.zip.Deflater;
  
  import static java.util.zip.Deflater.FULL_FLUSH;
  
  public class JdkDeflateCompressor
          implements Compressor
  {
      @Override
      public int maxCompressedLength(int uncompressedSize)
      {
          return (int) ((uncompressedSize * 1.2) + 11);
      }
  
      @Override
      public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
      {
          Deflater deflater = new Deflater(6, true);
          deflater.setInput(input, inputOffset, inputLength);
          deflater.finish();
          int compressedDataLength = deflater.deflate(output, outputOffset, maxOutputLength, FULL_FLUSH);
          deflater.end();
          return compressedDataLength;
      }
  
      @Override
      public int compress(MemorySegment input, MemorySegment output)
      {
          throw new UnsupportedOperationException("not yet implemented");
      }
  }
  