Devise, Views in Java

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1425 Devise, Views
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Devise is built as a Rails Engine, and comes with views for all of your included modules All you need to do is write some CSS and you re off to the races However, there may be some situations where you want to customize them, and Devise provides a nifty script to copy all of the internal views into your application
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rails generate devise_views
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If you are authenticating more than one model and don t want to use the same views for both, just set the following option in your config/initializers/deviserb:
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configscoped_views = true
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1426 Configuration
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When you first set up Devise using rails generate devise install, a deviserb was tossed into your config/initializers directory This initializer is where all the configuration for Devise is set, and it is already packed full of commented-out goodies for all configuration options with excellent descriptions for each option Durran says
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Using MongoDB as your main database Under the general configuration section in the initializer switch the require of active record to mongoid for pure awesomeness
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Devise comes with internationalization support out of the box and ships with English message Devise, internationalization definitions located in config/locales/ deviseenyml (You ll see this was created after you ran the install generator at setup) This file can be used as the template for Devise s messages in any other language by staying
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143 Conclusion
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with the same naming convention for each file Create a Chilean Spanish translation in config/locales/deviseclyml weon!
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1427 Extensions
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There are plenty of third-party extensions out there for Devise that come in handy if you are authenticating using different methods
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cas authenticatable:
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Auth
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Allows for single sign on using CAS
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facebook connectable:
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Provides support for authorizing through authenticating with Devise Facebook4
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imapable:
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Adds authentication support through IMAP
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ldap authenticatable:
Authenticates users using LDAP
openid authenticatable:
Provides authentication via OpenID
rpx connectable:
Adds support for using RPX authentication A complete list of extensions can be found at: http://wikigithubcom/
plataformatec/devise/3rd-party-extensions
1428 Summary
Devise is an excellent solution if you want a large number of standard features out of the box while writing almost no code at all It has a clean and easy-understand API and can be used with little to no ramp-up time on any application
143 Conclusion
We ve covered the two most popular authentication frameworks for Rails at the moment, but there are plenty more out there to examine if these are not suited for your application It s easy to even roll your own simple solution if basic authentication is all you need
4 There are problems reported with this extension Try http://githubcom/jerryluk/devise oauth2 authenticatable instead
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C HAPTER 15
XML and Active Resource
Structure is nothing if it is all you got Skeletons spook people if they try to walk around on their own I really wonder why XML does not Erik Naggum
XML doesn t get much respect from the Rails community It s enterprisey In the Ruby world that other markup language YAML (YAML Ain t Markup Language) and data interchange format JSON (JavaScript Object Notation) get a heck of a lot more attention However, use of XML is a fact of life for many projects, especially when it comes to interoperability with legacy systems Luckily, Ruby on Rails gives us some pretty good functionality related to XML This chapter examines how to both generate and parse XML in your Rails applications, starting with a thorough examination of the to_xml method that most objects have in Rails
151 The to xml Method
Sometimes you just want an XML representation of an object, and Active Record models provide easy, automatic XML generation via the to_xml method Let s play with this method in the console and see what it can do I ll fire up the console for my book-authoring sample application and find an Active Record object to manipulate
>> Userfind_by_login('obie') => #<User id: 8, login: "obie", email: "obie@tr3wcom", crypted_password: "4a6046804fc4dc3183ad9012fbfee91c85723d8c", salt: "399754af1b01cf3d4b87da5478d82674b0438eb8", created_at: "2010-05-18 19:31:40", updated_at: "2010-05-18 19:31:40", remember_token: nil,