Class: Isomer::Sources::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/isomer/sources/base.rb

Direct Known Subclasses

Environment, Test, Yaml

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parameters) ⇒ Base

Returns a new instance of Base.



4
5
6
7
 
# File 'lib/isomer/sources/base.rb', line 4

def initialize(parameters)
  @parameters = parameters
  @errors = []
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



2
3
4
 
# File 'lib/isomer/sources/base.rb', line 2

def configuration
  @configuration
end

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



2
3
4
 
# File 'lib/isomer/sources/base.rb', line 2

def errors
  @errors
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



2
3
4
 
# File 'lib/isomer/sources/base.rb', line 2

def parameters
  @parameters
end

Instance Method Details

#for(parameter) ⇒ Object 



29
30
31
 
# File 'lib/isomer/sources/base.rb', line 29

def for(parameter)
  configuration.has_key?(parameter.name) ? configuration[parameter.name] : parameter.default
end

#load ⇒ Object

Raises:

  • (NotImplementedError) 


14
15
16
 
# File 'lib/isomer/sources/base.rb', line 14

def load
  raise NotImplementedError, "You must implement 'load' in #{self.class.name}"
end

#load_and_validate ⇒ Object 



9
10
11
12
 
# File 'lib/isomer/sources/base.rb', line 9

def load_and_validate
  load
  validate
end

#validate ⇒ Object

Raises:



18
19
20
21
22
23
24
25
26
27
 
# File 'lib/isomer/sources/base.rb', line 18

def validate
  parameters.each do |parameter|
    if parameter.required?
      value = configuration[parameter.name]
      @errors << "#{parameter.name} is required" if valid(value)
    end
  end

  raise Isomer::RequiredParameterError, errors.join(', ') if !errors.empty?
end