Contents

module RCAP
  module CAP_1_0
    # A Point object is valid if
    # * it has a lattitude within the minimum and maximum lattitude values
    # * it has a longitude within the minimum and maximum longitude values
    class Point
      include Validation

      MAX_LONGITUDE = 180
      MIN_LONGITUDE = -180
      MAX_LATTITUDE = 90
      MIN_LATTITUDE = -90

      attr_accessor( :lattitude )
      attr_accessor( :longitude )

      validates_numericality_of( :lattitude, :longitude )
      validates_inclusion_of( :lattitude, :in => MIN_LATTITUDE..MAX_LATTITUDE )
      validates_inclusion_of( :longitude, :in => MIN_LONGITUDE..MAX_LONGITUDE)

      def initialize( attributes = {} )
        @lattitude = attributes[ :lattitude ]
        @longitude = attributes[ :longitude ]
      end

      # Returns a string representation of the point of the form
      #  lattitude,longitude
      def to_s
        "#{ self.lattitude },#{ self.longitude }"
      end

      def inspect # :nodoc:
        '('+self.to_s+')'
      end

      # Two points are equivalent if they have the same lattitude and longitude
      def ==( other )
        [ self.lattitude, self.longitude ] == [ other.lattitude, other.longitude ]
      end

      LATTITUDE_KEY = 'lattitude'  # :nodoc:
      LONGITUDE_KEY = 'longitude'  # :nodoc:

      def to_h # :nodoc:
        RCAP.attribute_values_to_hash(
          [ LATTITUDE_KEY, self.lattitude ],
          [ LONGITUDE_KEY, self.longitude ])
      end

      def self.from_h( point_hash ) # :nodoc:
        self.new( :lattitude => point_hash[ LATTITUDE_KEY ], :longitude => point_hash[ LONGITUDE_KEY ])
      end
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
rcap-1.3.0	lib/rcap/cap_1_0/point.rb
rcap-1.2.4	lib/rcap/cap_1_0/point.rb
rcap-1.2.3	lib/rcap/cap_1_0/point.rb
rcap-1.2.2	lib/rcap/cap_1_0/point.rb
rcap-1.2.1	lib/rcap/cap_1_0/point.rb
rcap-1.2.0	lib/rcap/cap_1_0/point.rb
rcap-1.1.1	lib/rcap/cap_1_0/point.rb