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
   *
   *     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 org.apache.trevni;
  
  import java.io.IOException;
  import java.nio.Buffer;
  import java.nio.ByteBuffer;
  import org.xerial.snappy.Snappy;
  
  /** Implements <a href="https://code.google.com/p/snappy/">Snappy</a> codec. */
  final class SnappyCodec extends Codec {
  
    @Override
    ByteBuffer compress(ByteBuffer in) throws IOException {
      int offset = computeOffset(in);
      ByteBuffer out = ByteBuffer.allocate(Snappy.maxCompressedLength(in.remaining()));
      int size = Snappy.compress(in.array(), offset, in.remaining(), out.array(), 0);
      ((Buffer) out).limit(size);
      return out;
    }
  
    @Override
    ByteBuffer decompress(ByteBuffer in) throws IOException {
      int offset = computeOffset(in);
      ByteBuffer out = ByteBuffer.allocate(Snappy.uncompressedLength(in.array(), offset, in.remaining()));
      int size = Snappy.uncompress(in.array(), offset, in.remaining(), out.array(), 0);
      ((Buffer) out).limit(size);
      return out;
    }
  
  }
  