CharacterEncodingValidator 
A character encoding validator for Rails. This is used to detect encoding errors.
This validator does the followings.
- Try encode the string to the destination encoding
- If the exception raises, rescue it and add an error
Installation
Add this line to your application's Gemfile:
gem 'character_encoding_validator'And then execute:
$ bundle
Or install it yourself as:
$ gem install character_encoding_validator
Usage
In your model.
validates_with CharacterEncodingValidator, encoding: 'eucjp-ms'encoding option is the destination encoding.
Development
After checking out the repo, run bin/setup to install dependencies. Then, run rake rspec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in character_encoding_validator.gemspec, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
License
The gem is available as open source under the terms of the MIT License.