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# -*- coding: binary -*-
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##
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#
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# Net::DNS::RR::NULL
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#
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#       $Id: NULL.rb,v 1.5 2006/07/28 07:33:36 bluemonk Exp $
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#
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##
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module Net
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  module DNS
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    class RR
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      #------------------------------------------------------------
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      # RR type NULL
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      #------------------------------------------------------------
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      class NULL < RR
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        attr_reader :null
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        private
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        def build_pack
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          @null_pack = @null
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          @rdlength = @null_pack.size
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        end
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        def set_type
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          @type = Net::DNS::RR::RRTypes.new("NULL")
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        end
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        def get_data
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          @null_pack
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        end
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        def get_inspect
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          "#@null"
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        end
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        def subclass_new_from_hash(args)
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          if args.has_key? :null
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            @null = args[:null]
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          else
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            raise RRArgumentError, ":null field is mandatory but missing"
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          end
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        end
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        def subclass_new_from_string(str)
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          @null = str.strip
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        end
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        def subclass_new_from_binary(data,offset)
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          @null = data[offset..offset+@rdlength]
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          return offset + @rdlength
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        end
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      end # class NULL
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    end # class RR
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  end # module DNS
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end # module Net
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