Class: Cloudfront::Helpers::Aliases

Inherits:
Object
  • Object
show all
Includes:
Utils::ConfigurationChecker, Utils::XmlSerializer
Defined in:
lib/cloudfront/helpers/aliases.rb

Instance Attribute Summary collapse

Attributes included from Utils::ConfigurationChecker

#error_messages

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils::XmlSerializer

#to_xml

Methods included from Utils::ConfigurationChecker

#check_configuration, #valid?

Constructor Details

#initialize(&block) ⇒ Aliases

Returns a new instance of Aliases.



11
12
13
14
15
16
17
 
# File 'lib/cloudfront/helpers/aliases.rb', line 11

def initialize(&block)
  #set default values
  @cnames = []

  #set values from block
  instance_eval &block if block_given?
end

Instance Attribute Details

#cnames ⇒ Object

Returns the value of attribute cnames.



9
10
11
 
# File 'lib/cloudfront/helpers/aliases.rb', line 9

def cnames
  @cnames
end

Class Method Details

.from_hash(hash) ⇒ Object

A factory method that creates a Aliases instance from a hash Input example hash = {

"Aliases" => {
    "Quantity" => "number of CNAME cnames",
    "Items" => {
        "CNAME" => "CNAME alias"
    }
}

}



41
42
43
44
45
46
 
# File 'lib/cloudfront/helpers/aliases.rb', line 41

def self.from_hash(hash)
  hash = hash["Aliases"] || hash
  self.new do
    self.cnames = Array.wrap((hash["Items"] || {})["CNAME"])
  end
end

Instance Method Details

#build_xml(xml) ⇒ Object

Output example <Aliases>

<Quantity>number of CNAME cnames</Quantity>
<Items>
  <CNAME>CNAME alias</CNAME>
</Items>

</Aliases>



55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/cloudfront/helpers/aliases.rb', line 55

def build_xml(xml)
  check_configuration
  xml.Aliases {
    xml.Quantity @cnames.size
    if @cnames.size > 0
      xml.Items {
        for cname in Array.wrap @cnames
          xml.CNAME cname
        end
      }
    end
  }
end

#validate ⇒ Object 



19
20
21
22
23
24
25
26
27
28
 
# File 'lib/cloudfront/helpers/aliases.rb', line 19

def validate
  # some wrapping
  @cnames = Array.wrap @cnames # wraps single elements into an array and removes nil parasites


  # Some additional checking should be done on cnames.
  for cname in cnames
    error_messages.push("#{cname} isn't a valid url") unless cname =~  Cloudfront::Utils::Util::URL_REGEXP
  end
end