December 23, 19:14
Berin Loritsch is thinking about how to validate his domain models in Java. He's on the right track with his intention to shun the XML morass so commonly sought by the J-people, but unfortunately his ambitions stop short. He seems to be content with merely annotating his models with the validation rules instead of actually embedding them in code.
If he were using Rails, he'd be able to enjoy specifying validation rules using actual code in his Active Record objects. The following is not even a mock-up, I literally yanked part of the Account model in that next project I'm working on:
class Account < ActiveRecord::Base
validates_presence_of :subdomain, :name, :email_address, :password
validates_uniqueness_of :subdomain
validates_acceptance_of :terms_of_service, :on => :create
validates_confirmation_of :password, :email_address, :on => :create
end
To me, this is beautiful. Programming poetry. Each method call reads like a sentence. "Account validates acceptance of terms of service on create". How can you not love that?
So please, aim higher. Annotations are a work-around for type system thats holding you back. Let it go. We'll be happy to help you transition out of the Sun and into the shade. Come join us in the Ruby on Rails community.
Challenge by Berin Loritsch on December 23, 20:00
:) Nice post. You are right in that I seek to simplify, and there is a lot to like about Ruby and Rails--unfortunately the reality is that I have customers I need to support. They provided the Java application that I am maintaining, and there is only so much I can do at this point. I am interested in improving a lot of what I do. However, I do work with fat cliens (gui code), and I haven't seen a lot in the Ruby world to get me excited about a Ruby GUI. If you have any pointers I would be more than happy to investigate.
Challenge by berkus on December 26, 11:31
to Berin: Ruby/Qt and Ruby/KDE bindings are quite functional =)
Challenge by gabriele on December 26, 17:28
same goe for the gtk2 ones, and both have the chance to use UI painters
Challenge by Berin Loritsch on December 27, 15:38
What about for Windows code? I have to support clients for both windows and linux/unix/etc. So far the best option for me has been Java--getting bindings to compile for Ruby and Perl on Windows is quite painful.
Challenge by gabriele on December 27, 18:03
I use gtk on windows, they work quite fine and have a native looking theme. I did'nt have the chance to use Qt on windows.
Anyway, the meme is that for crossplatform gui development the best thing is to use wxwidget, and luckily we have wxRuby for that.
I never used that, anyway, so I can't tell you how stable/fast it is, sorry.
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