question: create a compression instance using the codec specified by codecclassname concode_field_sep CompressionCodec imageCodec concode_field_sep FSImageCompression readCompressionHeader concode_elem_sep CompressionCodec getImageCodec concode_elem_sep FSImageCompression createNoopCompression concode_elem_sep DataOutputStream writeHeaderAndWrapStream concode_elem_sep String toString concode_elem_sep DataInputStream unwrapInputStream
target: FSImageCompression function ( Configuration arg0 , String arg1 ) { CompressionCodecFactory loc0 = new CompressionCodecFactory ( arg0 ) ; CompressionCodec loc1 = loc0 . getCodecByClassName ( arg1 ) ; if ( loc1 == null ) { throw new IOException ( "srini_string" + arg1 ) ; } return new FSImageCompression ( loc1 ) ; }