Class: Graphite::Graph

Inherits:
Object
  • Object
show all
Defined in:
lib/graphite/graph.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Graph

Returns a new instance of Graph.



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# File 'lib/graphite/graph.rb', line 4

def initialize
  @targets = []
  @params = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym) ⇒ Object 



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# File 'lib/graphite/graph.rb', line 8

def method_missing(sym)
  if @params.has_key?(sym.to_s)
    @params[sym.to_s]
  else
    super
  end
end

Instance Attribute Details

#params ⇒ Object

Returns the value of attribute params.



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# File 'lib/graphite/graph.rb', line 3

def params
  @params
end

#targets ⇒ Object

Returns the value of attribute targets.



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# File 'lib/graphite/graph.rb', line 3

def targets
  @targets
end

Class Method Details

.from_url(url) ⇒ Object 



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# File 'lib/graphite/graph.rb', line 15

def self.from_url(url)
  graph = self.new
  uri = URI(url)
  url_params = CGI.parse(uri.query)
  target_parser = Graphite::TargetParser.new
  url_params.delete("target").each do |t|
    target_parser.parse!(t)
    graph.targets << target_parser.tree.to_model
  end
  url_params.keys.inject(graph.params) { |acc,key|
    acc[key] = if url_params[key].present? && url_params[key].size==1
                 url_params[key].first
               else
                 url_params[key]
               end
    acc
  }
  graph
end