Class: javajava::lang::Number

Inherits:
Object
  • Object
show all
Defined in:
lib/jactive_support/java_ext/number.rb

Constant Summary collapse

NUMBER_FORMATS = 
{
  :number => lambda {|value, locale| number_format_instance(:number, locale).format(value.to_primitive)},
  :currency => lambda {|value, locale| number_format_instance(:currency, locale).format(value.to_primitive)},
  :percent => lambda {|value, locale| number_format_instance(:percent, locale).format(value.to_primitive)},
  :scientific => lambda {|value, locale| number_format_instance(:scientific, locale).format(value.to_primitive)},
  :integer => lambda {|value, locale| number_format_instance(:integer, locale).format(value.to_primitive)},
  :default => lambda {|value, locale| number_format_instance(:default, locale).format(value.to_primitive)},
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.number_format_instance(format = :default, locale = nil) ⇒ Object 



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# File 'lib/jactive_support/java_ext/number.rb', line 2

def self.number_format_instance(format=:default, locale=nil)
  case format
  when :number then ::Java::JavaText::NumberFormat.getNumberInstance(locale.to_locale)
  when :currency then ::Java::JavaText::NumberFormat.getCurrencyInstance(locale.to_locale)
  when :percent then ::Java::JavaText::NumberFormat.getPercentInstance(locale.to_locale)
  when :scientific then ::Java::JavaText::NumberFormat.getScientificInstance(locale.to_locale)
  when :integer then ::Java::JavaText::NumberFormat.getIntegerInstance(locale.to_locale)
  when :default then ::Java::JavaText::NumberFormat.getInstance(locale.to_locale)
  end
end

Instance Method Details

#format_number(format, locale = nil) ⇒ Object 



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# File 'lib/jactive_support/java_ext/number.rb', line 29

def format_number(format, locale=nil)
  symbols = ::Java::JavaText::DecimalFormatSymbols.new(locale.to_locale)
  formatter = ::Java::JavaText::DecimalFormat.new(format, symbols)
  formatter.format(self)
end

#to_formatted_s(format = :default, locale = nil) ⇒ Object Also known as: to_s 



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# File 'lib/jactive_support/java_ext/number.rb', line 22

def to_formatted_s(format=:default, locale=nil)
  return to_default_s unless formatter = self.class::NUMBER_FORMATS[format]
  formatter.respond_to?(:call) ? (formatter.arity==2 ? formatter.call(self, locale) : formatter.call(self)).to_s : format_number(formatter)
end

#to_primitive ⇒ Object 



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# File 'lib/jactive_support/java_ext/number.rb', line 35

def to_primitive
  self
end