Class: Deltacloud::EC2::QueryParser

Inherits:
Object
  • Object
show all
Defined in:
lib/ec2/query_parser.rb

Defined Under Namespace

Classes: InvalidAction

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request_id, params = {}) ⇒ QueryParser

Returns a new instance of QueryParser.



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# File 'lib/ec2/query_parser.rb', line 141

def initialize(request_id, params={})
  @request_id = request_id
  @action = (params.delete('Action') || 'Unknown').underscore.intern
  @version = params.delete('Version')
  @authentication = {
    :security_token => params.delete('SecurityToken'),
    :access_key_id => params.delete('AWSAccessKeyId'),
    :signature => {
      :version => params.delete('SignatureVersion'),
      :value => params.delete('Signature'),
      :method => params.delete('SignatureMethod'),
      :timestamp => params.delete('Timestamp')
    }
  }
  @expiration = params.delete('Expires')
  @parameters = params
end

Instance Attribute Details

#action ⇒ Object (readonly)

Returns the value of attribute action.



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# File 'lib/ec2/query_parser.rb', line 134

def action
  @action
end

#authentication ⇒ Object (readonly)

Returns the value of attribute authentication.



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# File 'lib/ec2/query_parser.rb', line 138

def authentication
  @authentication
end

#expiration ⇒ Object (readonly)

Returns the value of attribute expiration.



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# File 'lib/ec2/query_parser.rb', line 137

def expiration
  @expiration
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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# File 'lib/ec2/query_parser.rb', line 135

def parameters
  @parameters
end

#request_id ⇒ Object (readonly)

Returns the value of attribute request_id.



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# File 'lib/ec2/query_parser.rb', line 139

def request_id
  @request_id
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/ec2/query_parser.rb', line 136

def version
  @version
end

Class Method Details

.parse(params, request_id) ⇒ Object 



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# File 'lib/ec2/query_parser.rb', line 125

def self.parse(params, request_id)
  parser = new(request_id, params)
  unless parser.valid_action?
    raise InvalidAction.new('Invalid action (%s)' % parser.action)
  else
    ActionHandler.new(parser)
  end
end

Instance Method Details

#valid_action? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ec2/query_parser.rb', line 163

def valid_action?
  return false if @action == :unknown
  return false unless valid_actions.include?(@action)
  true
end

#valid_actions ⇒ Object 



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# File 'lib/ec2/query_parser.rb', line 159

def valid_actions
  ActionHandler::mappings.keys
end