org.apache.hadoop.io.compress
Interfaces 
CompressionCodec
Compressor
Decompressor
SplittableCompressionCodec
Classes 
BlockCompressorStream
BlockDecompressorStream
BZip2Codec
CodecPool
CompressionCodecFactory
CompressionInputStream
CompressionOutputStream
CompressorStream
DecompressorStream
DefaultCodec
GzipCodec
SplitCompressionInputStream