He-Pin commented on code in PR #2409:
URL: https://github.com/apache/pekko/pull/2409#discussion_r2472229497
##########
stream/src/main/scala/org/apache/pekko/stream/scaladsl/Compression.scala:
##########
@@ -85,4 +87,28 @@ object Compression {
*/
def inflate(maxBytesPerChunk: Int, nowrap: Boolean): Flow[ByteString,
ByteString, NotUsed] =
Flow[ByteString].via(new DeflateDecompressor(maxBytesPerChunk,
nowrap)).named("inflate")
+
+ /**
+ * @since 2.0.0
+ */
+ def zstd: Flow[ByteString, ByteString, NotUsed] =
zstd(Zstd.defaultCompressionLevel())
+
+ /**
+ * Same as [[zstd]] with a custom level and an optional dictionary.
+ * @param level The compression level, must be greater or equal to
[[Zstd.minCompressionLevel]] and less than or equal
+ * to [[Zstd.maxCompressionLevel]]
+ * @param dictionary An optional dictionary that can be used for compression
+ * @since 2.0.0
+ */
+ def zstd(level: Int, dictionary: Option[ZstdDictCompress] = None):
Flow[ByteString, ByteString, NotUsed] = {
+ require(level <= Zstd.maxCompressionLevel() && level >=
Zstd.minCompressionLevel())
+ CompressionUtils.compressorFlow(() => new ZstdCompressor(level,
dictionary))
+ }
+
+ /**
+ * @since 2.0.0
+ */
+ def zstdDecompress(maxBytesPerChunk: Int = MaxBytesPerChunkDefault):
Flow[ByteString, ByteString, NotUsed] =
+ Flow[ByteString].via(new
ZstdDecompressor(maxBytesPerChunk)).named("zstdDecompress")
Review Comment:
I mean, what if the user wants to use it in Android?
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