question: private DiffPart decodeFullRevision ( final int blockSize_L ) throws UnsupportedEncodingException , DecodingException { if ( blockSize_L < 1 ) { throw new DecodingException ( "Invalid value for blockSize_L: " + blockSize_L ) ; } int l = r . read ( blockSize_L ) ; ByteArrayOutputStream output = new ByteArrayOutputStream ( ) ; for ( int i = 0 ; i < l ; i ++ ) { output . write ( r . readByte ( ) ) ; } DiffPart part = new DiffPart ( DiffAction . FULL_REVISION_UNCOMPRESSED ) ; part . setText ( output . toString ( WIKIPEDIA_ENCODING ) ) ; return part ; }
target:  Decodes a FullRevision operation.