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Expanding your use of EL: Mea Culpa
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Jesse Gallagher    

A while back, a wrote a couple posts about using Expression Language (EL) to clean up your XPages code, and in the first of them I gave what I labeled an exclusive list of the interfaces that XPages EL provides special support for (as opposed to just looking for getters/setters). It turns out I was sorely mistaken: there are at least two other types that EL specially supports. The first is the class used for JavaScript objects, such as allowing #{foo.bar} to bind like you'd expect to a value set to the JavaScript literal { bar: 'baz' }. I'm not sure where the specific support comes in - presumably based on one of the classes in the hierarchy and not the IValue interface it implements - but it's not terribly important. The second is an interface that I've used frequently, but didn't realize had this property: ViewRowData. ViewRowData is essentially a specialized variant of DataObject intended for view entries - so much so, in fact, that I just assumed that view entries supported DataObject simultaneously, as my classes that implement it do. I don't expect I'll have a lot of situations where I'll want to implement ViewRowData but not DataObject, but it's good to know one additional tidbit about the inner workings of XPages. One day, maybe I'll try to find a truly exhaustive list of what gets special treatment.

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http://frostillic.us/f.nsf/posts/DFD5DACB387A714285257CCD00028DA3
May 02, 2014
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Recent Blog Posts
7
First Steps to Code Coverage Analysis in Domino Plugins
Thu, Nov 9th 2017 2:53p   Jesse Gallagher
I'm always interested in getting the computer to tell me how to tell it what to do more successfully, and, to further that pursuit, I've started taking an interest in code coverage. If you're not familiar with the term, "code coverage" refers to reporting on which lines of code were actually executed during runtime, most commonly in association with unit tests. Eclipse (and presumably other IDEs) has support for this, and I've decided to give it a shot. Since I'm starting this out
4
New Small Project: p2site-maven-plugin
Thu, Oct 26th 2017 5:17p   Jesse Gallagher
It's no secret that I have a love/hate relationship with developing for OSGi platforms with Maven. The giant divide between "all-in" Tycho projects (which limit your options with normal Maven features) and trying to bolt on OSGi support in an otherwise-normal project creates an array of problems big and small. Some of those hurdles would be difficult to bridge, such as any automated tests that want to test the proper functioning of OSGi services. However, not all projects need that - i
3
Side-Project Monday Evening
Tue, Jun 27th 2017 1:49p   Jesse Gallagher
Yesterday, in one of my various Slack chats, the topic of JShell - the Java 9 REPL - came up in the context of how useful it would be for XPages development. Being able to open up a "shell" into a running XPages application could be really useful in a lot of ways - and I think that the XPages Debug Toolbar has an SSJS-evaluate feature that would do something like this. Still, it got me looking around a bit, and I ran across Groovysh Server, which is a project that combines Apache's SSH
3
Including a Headless DDE Build in a Maven Tree
Tue, Mar 14th 2017 4:45p   Jesse Gallagher
Most of my Domino projects nowadays have two components: a suite of OSGi plugins/features and at least one NSF. Historically, I've kept the NSF part separate from the OSGi plugin projects - I'll keep the ODP in the repo, but then usually also keep a recent "build" made by copying the database from my dev server, and then include that built version in the result using the Maven Assembly plugin. This works, but it's not quite ideal: part of the benefit of having a Maven project being au
6
That Java Thing, Part 17: My Current XPages Plug-in Dev Environment
Sun, Feb 26th 2017 4:23p   Jesse Gallagher
It's been a while since I started this series on Java development, but I've been meaning for a bit now to crack it back open to discuss my current development setup for plug-ins, since it's changed a bit. The biggest change is that, thanks to Serdar's work on the latest XPages SDK release, I now have Domino running plug-ins from my OS X Eclipse workspace. Previously, I switched between either running on the Mac and doing manual builds or slumming it in Eclipse in Windows. Having just t
6
Slides From My Connect 2017 Presentations
Fri, Feb 24th 2017 9:29p   Jesse Gallagher
At this year's Connect, Philippe Riand and I co-presented two sessions: one on ways to integrate your apps into the Connections UI and one on Darwino's role for Domino developers. I've uploaded the slides to SlideShare: DEV-1430 - IBM Connections Integration: Exploring the Long List of Options DEV-1467 - Give a New Life to Your Notes/Domino Applications and Leverage IBM Bluemix, Watson, & Connections (effectively, "the Darwino session")
6
The State of Domino App Dev Post-Connect-2017
Fri, Feb 24th 2017 9:28p   Jesse Gallagher
I'm en route back from this year's IBM Connect in San Francisco, and this plane ride is giving me a good chance to chew over the implications for Domino developers. First off, I'll put my bias in this matter right up front: Darwino, which I've been working on and discussing quite a bit, is one of the three "chosen" vendors for app enhancement/modernization/what-have-you. So, while this post isn't going to be about Darwino specifically, it's certainly pertinent for me. In any case,
9
Reforming the Blog in Darwino, Part 2
Thu, Feb 16th 2017 8:41p   Jesse Gallagher
During the run-up to Connect next week, I turned my gaze back to my indefinite-term project of reforming this blog in Darwino. When last I left it publicly, I had set up replication between a copy of the database and a Darwino app. After that post, I did a bit of tinkering in the direction of building a (J)Ruby on Rails front-end for it, next to the "j2ee" project. That side effort may bear fruit in time (as I recall, I got the embedded web app serving default pages, but didn't implemen
2
Connect 2017 Final Stretch
Wed, Feb 15th 2017 12:16p   Jesse Gallagher
IBM Connect 2017 is less than a week away, and I've been furiously prepping for a couple parts of what is promising to be a busy conference. On Monday, before the official kickoff of the conference, OpenNTF is co-hosting a Hackathon, where attendees will work on one of several potential projects. The goal is to learn about new development methods, work with new people, and hopefully kick off some useful open-source projects to boot. During the conference proper, I'll be presenting two se
6
December Is Self-Aggrandizement Month, Apparently
Sat, Dec 17th 2016 3:21p   Jesse Gallagher
It's been a busy month (couple of years, really), but the last few weeks in particular have involved a couple minor announcements that I'm quite appreciative for. On the 14th, IBM announced the 2017 class of IBM Champions for ICS, and they included me on the list. It's been a joy to be considered a Champion for the last few years, and 2017 promises to be an interesting year to continue that in our slice of the development world. Mere days later, IBM sent out notifications about Connect




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