Sets the format that attributes are sent and received in from a mime type reference. Example:

Person.format = :json
Person.find(1) # => GET /people/1.json

Person.format = ActiveResource::Formats::XmlFormat
Person.find(1) # => GET /people/1.xml

Default format is :xml.

Source Code

# File active_resource/base.rb, line 190
def format=(mime_type_reference_or_format)
  format = mime_type_reference_or_format.is_a?(Symbol) ? 
    ActiveResource::Formats[mime_type_reference_or_format] : mime_type_reference_or_format

  write_inheritable_attribute("format", format)
  connection.format = format if site
end