public Compression getByName(String algorithmName) {
    Utils.checkNotNullOrEmpty(algorithmName, "algorithmName cannot be null or empty.");
    return get(algorithmName);
  }
Get the registered compression algorithm by name.
@param algorithmName Name of the compression algorithm.
@return Compression algorithm if found; null if not found.
ambry-commons/src/main/java/com/github/ambry/compression/CompressionMap.java