Class: Confswap::PropertyFileVariableReader

Inherits:
Object
  • Object
show all
Defined in:
lib/confswap/property_reader.rb

Defined Under Namespace

Classes: InvalidPropertyFileException

Class Method Summary collapse

Class Method Details

.comment_line?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/confswap/property_reader.rb', line 29

def self.comment_line? line
  line.start_with? '#'
end

.ignore_blank_or_comment_lines(file_contents) ⇒ Object 



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# File 'lib/confswap/property_reader.rb', line 25

def self.ignore_blank_or_comment_lines file_contents
  file_contents.reject{|v| v.empty? || self.comment_line?(v) }
end

.parse_file_contents(contents) ⇒ Object

Raises:



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# File 'lib/confswap/property_reader.rb', line 8

def self.parse_file_contents contents
  raise InvalidPropertyFileException unless self.valid_property_file_contents? contents
  raw_file_contents = contents.split(/\n/)
  variables = self.ignore_blank_or_comment_lines(raw_file_contents)
  variables_hash = {}

  variables.each { |variable_line|
    split_variable_line = variable_line.split(/:/, 2)
    variable_key = split_variable_line.first.to_sym
    variable_value = split_variable_line.at(1).strip

    variables_hash[variable_key] = variable_value
  }
  
  variables_hash
end

.read_variables_from_file(file_path) ⇒ Object 



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# File 'lib/confswap/property_reader.rb', line 2

def self.read_variables_from_file file_path
  contents = File.read file_path
  self.parse_file_contents contents
end

.valid_property_file_contents?(property_file_contents) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/confswap/property_reader.rb', line 33

def self.valid_property_file_contents? property_file_contents
  file_contents_not_empty = !property_file_contents.empty?
  file_contents_not_empty
end