# File lib/puppet/checksum.rb, line 38
38:     def initialize(content, algorithm = "md5")
39:         raise ArgumentError.new("You must specify the content") unless content
40: 
41:         @content = content
42: 
43:         # Init to avoid warnings.
44:         @checksum = nil
45: 
46:         self.algorithm = algorithm
47:     end

    # File lib/puppet/checksum.rb, line 20
20:     def algorithm=(value)
21:         unless respond_to?(value)
22:             raise ArgumentError, "Checksum algorithm %s is not supported" % value
23:         end
24:         value = value.intern if value.is_a?(String)
25:         @algorithm = value
26:         # Reset the checksum so it's forced to be recalculated.
27:         @checksum = nil
28:     end

    # File lib/puppet/checksum.rb, line 31
31:     def checksum
32:         unless @checksum
33:             @checksum = send(algorithm, content)
34:         end
35:         @checksum
36:     end

    # File lib/puppet/checksum.rb, line 50
50:     def name
51:         checksum
52:     end

    # File lib/puppet/checksum.rb, line 54
54:     def to_s
55:         "Checksum<{%s}%s>" % [algorithm, checksum]
56:     end