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Tag Archives: Grails

Test Driven Traps, part 1

Have you ever been in a situation, where a simple change of code, broke a few hundred tests? Have you ever had the idea that tests slow you down, inhibit your creativity, make you afraid to change the code. If you had, it means you’ve entered the Dungeon-of-very-bad-tests, the world of things that should not be. I’ve been there. I’ve ...

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Grails Custom AuthenticationProvider

In order to tighten up security in our new Grails app I went about implementing the Spring Security Plugin. Getting it up and running with a standard username/password scenario was simple, as that is all wired up automagically by the plugin. That solved half of my problem, but we also need to support authentication with SAML, and there were no ...

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Grails Dynamic Dropdown

Recently I had a UI requirement where a customer wanted to select values from two separate dropdowns. The value of the first dropdown essentially filtered the values for the second dropdown. Given the financial projects we support are not heavy on UI requirements, I had to do some initial learning and experimentation to yield a good implementation. This blog entry ...

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Using Servlet 3.0 Async Features in Grails 2.0

I was talking to someone last week about the new support for Servlet 3.0 async features in Grails 2 and realized I didn’t know that much about what was available. So I thought I’d try it out and share some examples. The documentation is a little light on the subject, so first some background information. The primary hook to do asynchronous ...

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Using Servlet 3.0 Async Features in Grails 2.0

I was talking to someone last week about the new support for Servlet 3.0 async features in Grails 2 and realized I didn’t know that much about what was available. So I thought I’d try it out and share some examples. The documentation is a little light on the subject, so first some background information. The primary hook to do asynchronous ...

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