Module: Meteorlog::DSL::Validator

Included in:
Context, Context::LogGroup, Context::MetricFilter
Defined in:
lib/meteorlog/dsl/validator.rb

Instance Method Summary collapse

Instance Method Details

#_call_once(method_name) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 19

def _call_once(method_name)
  @called ||= []

  if @called.include?(method_name)
    raise _identify("`#{method_name}` is already defined")
  end

  @called << method_name
end

#_expected_length(value, length) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 35

def _expected_length(value, length)
  if value.length != length
    raise _identify("Invalid length: #{value}")
  end
end

#_expected_type(value, *types) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 29

def _expected_type(value, *types)
  unless types.any? {|t| value.kind_of?(t) }
    raise _identify("Invalid type: #{value}")
  end
end

#_identify(errmsg) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 45

def _identify(errmsg)
  if @error_identifier
    errmsg = "#{@error_identifier}: #{errmsg}"
  end

  return errmsg
end

#_required(name, value) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 2

def _required(name, value)
  invalid = false

  if value
    case value
    when String
      invalid = value.strip.empty?
    when Array, Hash
      invalid = value.empty?
    end
  elsif value.nil?
    invalid = true
  end

  raise _identify("`#{name}` is required") if invalid
end

#_validate(errmsg) ⇒ Object 



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# File 'lib/meteorlog/dsl/validator.rb', line 41

def _validate(errmsg)
  raise _identify(errmsg) unless yield
end