Showing posts for tag "collabsphere"

Overdue CollabSphere Followup

Oct 11, 2023, 4:59 PM

Though it's been over a month since CollabSphere 2023, I've somehow now yet gotten around to talking about it here. Time to remedy that!

Webinar and Workshop

I presented a couple sessions at CollabSphere, but the meatiest was my workshop on the XPages Jakarta EE project. A bit before the show, I wrote a post discussing modes of development with it and that formed the structure of the workshop.

It also formed the structure of August's OpenNTF webinar. Fortunately, unlike the workshop, the webinar was recorded, and that is up on OpenNTF's YouTube channel. Though the workshop was longer and had some refinements and audience discussion, they both worked from the same original slide deck and so the webinar did a pretty good job of covering the same material.

As part of the presentations, I created four versions of the same basic to-do tracker app, written in each of the four modes I talked about. I put them up in the project repository with a quick README introducing each of them. With the project installed (they were written to 2.13.0 and above), you should be able to sync the ODPs with NSFs in Designer and poke around yourself. They're all intentionally-similarly structured and basic, with all of their elements in either Java classes, file resources, or stylesheets. They're also all intentionally under-developed, so you're not allowed to make fun of them.

JNX

This one will be a doozy! In fact, it's such a doozy that I'm going to keep kicking the can down the road as far as properly talking about it.

In short, Domino JNX is a more-modern API for Domino access - it was initiated and is used heavily by the Domino REST API (DRAPI), but also stands on its own. It started out essentially as another swing at Karsten Lehmann's Domino JNA and shares a lot of the same ideas and approaches (and code - the committer info in the GitHub repo is deceptive, as I got to paste a whole mountain of existing code from another repo into this one and thus got credit for it).

Now that it's open source, there's some significant work to do as far as documentation, examples, integration, and distribution go. I plan to find time to improve a lot of these aspects, including blogging here, though it's the sort of thing that always ends up below other priorities.

In any event, it's quite neat and has a lot of good capabilities. I plan to write a driver for JNoSQL for it, either to be alongside or to wholly supplant the Notes.jar-based one currently used by the project. The neat thing there is that users of XPages JEE won't have to care much: it'll just get a bit faster in parts but should largely work the same, except maybe with a change to the way you point at other databases.

CollabSphere Workshop Schedule Update and OpenNTF Webinar

Aug 22, 2023, 2:06 PM

As I mentioned last month, I'll be participating in a couple presentations, including a workshop on the XPages Jakarta EE project.

This workshop is scheduled for Tuesday, but its time has shifted. Originally, it was scheduled for 1 PM - 3 PM local time, but it's moved up to 9 AM - 11 AM to help with some coordination. Looks like it's also in the Pullman room and not the Linnaeus room now. Same idea, but you'll probably want to bring a cup of coffee with you.

In addition, and particularly so if you won't be attending CollabSphere, I'll be doing this month's OpenNTF webinar this week, on Thursday. The plan for that is to be like a mini/less-interactive version of the workshop, but covering the same general idea of the various ways to develop JEE apps on Domino with the project. If you're interested in that, you can register here.

Modes Of App Development With XPages Jakarta EE

Jul 28, 2023, 11:46 AM

I've been working on my workshop for this year's CollabSphere, and one of the main decisions I have to make is what I'm going to focus on. The idea of the workshop is to give a bit more brass-tacks information about how to use the project: rather than just a list of features, it'll be about the specific business of building an app using it.

But how does one build an app in it? There's certainly no lack of tools available, but that leads to the opposite problem: what's the right one for your project? What's likely to be the most common path people take?

The Types

As I've been working on it, I've grouped things into four main categories, and I figured it'd be useful to enumerate them here to coordinate my thoughts and provide some general information. There aren't hard lines between these: you can use any mixture of some or all of the parts in an app, and do different mixes in different apps. These are just what I expect to be the main groupings:

  • "XPages Plus", using some new capabilities in existing or new apps with XPages-based UIs
  • REST services, focusing on providing REST endpoints for JavaScript-based apps or other servers
  • MVC and JSP, focusing on clean, lightweight UIs for document-based apps, but less ideal for complex business logic
  • JSF, building the same sorts of apps XPages is adept at, but using newer technology

"XPages Plus"

The first route is how the project got started: you keep building XPages apps but sprinkle in a few new capabilities to improve them.

For example, you could replace your managed beans defined in faces-config.xml with CDI beans, allowing you to get the quick benefit of annotation-based definitions and then the bigger benefits of @Inject, producer methods, and interceptors.

You could also start using newer EL features, like the long-desired ability to pass parameters to methods.

This path wouldn't necessarily require a lot of reworking of your app or changing the way you think about XPages development, but would still be something of a minor development refresh and can set you up well for future improvements.

Your data access will likely still be through the traditional xp:dominoDocument and xp:dominoView components, but you could also write beans that access data with lotus.domino or ODA, or switch to using the NoSQL driver.

REST Services

Alternatively, you could decide you want to focus your apps around REST services with either a JavaScript app in, for example, React as the front end, or providing services to remote servers.

With this, you'd largely stop using XPages design elements entirely, instead defining your services in Java classes with JAX-RS annotations. This brings huge advantages over other ways to write REST services on Domino, with the JAX-RS annotations allowing for clear, logical definition of services, their parameters, and their output. Moreover, the ancillary tooling brings things like automatic OpenAPI definitions, which would be annoying to maintain using things like the XPages-side REST controls.

This path is good if you're specifically aiming to build a JavaScript-based app, either because you just like it, because your organization decided to go that route, or if you have a larger team that splits the duties of front-end and back-end developers. It can also naturally blend into the next one.

Your data access here won't be through the XPages components, but you could still use lotus.domino or ODA classes, or switch to the NoSQL driver. That actually goes for the next two, too, so we'll just count that as assumed.

MVC and JSP

I'll admit that part of the reason I want to consider this a top-tier route is because I just personally really like it. I've had a blast writing apps like this blog and the OpenNTF site using this path, with its much-cleaner code and back-to-basics approach to HTML.

Regardless of my personal enjoyment of it, though, this has some nice advantages. The fact that MVC builds on top of JAX-RS means that it melds well with the REST-services approach above. For example, you might primarily write REST services for a JS app, but then do a set of "admin" pages with MVC. Or you might use this as part of the prototype phase: structure your app the same way you will when you expand to a multi-tier team, but start out by doing a quick UI with MVC on top of the same or related endpoints.

With this path, your app will start with Java classes with JAX-RS annotations, and then you'd mix it with JSP files inside WebContent/WEB-INF. One down side to this approach is that Designer doesn't provide much help for writing JSP files. In the tooling, I bind .jsp and .tag files to the HTML editor, so you at least get normal HTML assistance, but that won't help you with specific JSP tags and EL. Fortunately, the set of tools you'll likely use in JSP is comparatively small, so you'll eventually memorize things like <c:forEach items="..." var="...">...</c:forEach> in much the same way that you could eventually write out an <xp:repeat/> in your sleep in XPages.

JSF

This one, technically tricky though it may be, is conceptually straightforward: write the same sort of apps you do with XPages, but do it with modern JSF instead. This makes a lot of sense, since JSF shares XPages's acumen with complicated forms with partial refreshes and changing state data, but has benefited from some development that didn't happen on the XPages side.

It's not a direct replacement: in particular, JSF has no knowledge of Domino data sources, so there's no xp:dominoDocument or xp:dominoView. You'd still need to do your data access via beans, as in the previous two options, likely using either lotus.domino/ODA or the NoSQL driver. Additionally, Designer really doesn't help you here - again, I map .xhtml and .jsf files to the HTML editor, but JSF components have a lot of properties to set, and so you'll be spending a lot of time referencing documentation.

Still, it's clear why this is proving to be a popular path. The development model is the same as in XPages, while the JSF stack (especially including PrimeFaces) brings a lot of amenities that aren't in XPages and are also more portable to other environments.

Conclusion

So, for now, I'm thinking of splitting up the workshop to cover each of these paths a bit. That runs the risk of feeling like too much of a grab bag, but I don't want to give the opposite impression, that the project only allows for some specific path. It's a broad platform update, accommodating many development approaches, and I want to keep that clear. Fortunately, each path has a pretty-clean pitch, and the shared components (CDI, bean validation, the REST client, etc.) build on each other well, so the idea that it's a pool of features that you can swim in is, I think, compelling.

Upcoming Sessions at CollabSphere 2023

Jul 19, 2023, 10:07 AM

Tags: collabsphere

CollabSphere 2023 is coming up at the end of next month, from August 29th through the 31st. It's in-person again this year, and, after quite a bit of hemming and hawing on that point, I decided to go. Moreover, I'll be hosting and participating in a couple sessions, including a workshop on the 29th. Specifically, that one is:

Developing Applications With XPages Jakarta EE
Tuesday at 1 PM Central, Linnaeus Room
The XPages Jakarta EE project adds a swath of new capabilities to Domino development. This workshop will give an overview of some of the major features and will include a follow-along demonstration of developing a representative application. There will also be room for questions and discussion about the project and how to integrate it with existing apps and workflows.

Attendees who wish to follow along with development should bring a laptop with a local Domino server and Designer (12.0.2 recommended) with the XPages Jakarta EE project from openntf.org installed in both.

As with the other workshops, these require pre-registration, so I encourage you to do so. If you'd like to attend and end up hitting trouble with the pre-setup process, head on to the OpenNTF Discord - there's a thread in the #specific-projects channel for the project that's a perfect spot for questions.

Beyond the workshop, I'll be running a roundtable similar to the one I did at last year's online CollabSphere:

DEV107 - Java and Jakarta EE on Domino Roundtable
Wednesday at 4 PM Central, Burnstein Room
The story of Java on Domino can be complex, but there are tools and strategies available to keep your development maintainable and consistent with the wider world. This roundtable will focus on discussing the current array of best options for development on Domino, with a secondary focus towards discussing how the XPages Jakarta EE Support project can be used to improve your development experience and the capabilities of your apps.

Immediately afterward, in the same room, is OpenNTF's roundtable, with the theme of a "live Repair Café" in the vein of the events we've been hosting in Discord:

COL104 - OpenNTF Live Repair Café: REST Practices
Wednesday at 5 PM Central, Burnstein Room
Join us for an interactive discussion at our OpenNTF Live Repair Café as we troubleshoot and repair together. Building on the success of our previous virtual events, this live event offers a unique opportunity to engage with experts and peers in the field face-to-face. Don't miss out on this chance to learn, share and grow together.

Finally, I'll be running a session on Thursday to discuss the new features we'll have access to in the move from Java 8 to Java 17:

DEV106 - Java 8 to Java 17: The New Goodies
Thursday at 9 AM Central, Linnaeus Room
Domino 14 is slated to include Java 17, an upgrade of two Long-Term-Service Java versions that brings a slew of improvements and new features. While most of the APIs we use will likely remain the same, recent versions of Java have focused heavily on developer-friendly niceties. This presentation will go over some of the more-useful ones for Domino developers, such as the new HttpClient, text blocks, records, convenience methods, and cleaner syntax.

That one should be neat. It's been a long time between releases we've used, and Java's been getting pretty good lately.

In any event, if you're attending CollabSphere, I hope to see you at these sessions.

Upcoming Sessions at CollabSphere 2022

Oct 11, 2022, 2:07 PM

It's CollabSphere time again, and I'm delighted to be involved in a few sessions this time. Since I just very recently did an OpenNTF webinar covering the Jakarta EE Support project, these sessions take the form of roundtables I'm helping lead.

One is about Java generally with a tint of Jakarta specifically on Domino:

DEV103 - Java and Jakarta EE on Domino Roundtable
Wednesday at 3 PM Eastern
The story of Java on Domino can be complex, but there are tools and strategies available to keep your development maintainable and consistent with the wider world. This roundtable will focus on discussing the current array of best options for development on Domino, with a specific focus towards discussing how the XPages Jakarta EE Support project can be used to improve your development experience and the capabilities of your apps.

Another is being led by Graham Acres and Heather Hottenstein and includes me, Justin Hill, and Karsten Lehmann in a panel discussion about open-source projects in the Domino sphere:

COL119 - Community Open Source Initiatives and Contributors
Wednesday at 1 PM Eastern
The story of Java on Domino can be complex, but there are tools and strategies available to keep your development maintainable and consistent with the wider world. This roundtable will focus on discussing the current array of best options for development on Domino, with a specific focus towards discussing how the XPages Jakarta EE Support project can be used to improve your development experience and the capabilities of your apps.

There's also a companion session to that one - COL120 - on Thursday at the same time about specifically HCL's open-source initiatives.

Finally, there's OpenNTF's now-annual roundtable hosted by Graham and me:

COL107 - OpenNTF Roundtable: Have Your Say
Thursday at 12 PM Eastern
OpenNTF has been supporting the Notes and Domino community for two decades. Yes, two decades! In that time there have been volumes of projects, code, documentation and other contributions from many people in our community. Over the last few years, we have also been able to bring a number of experts to speak on a wide range of topics in our monthly webinar series. We have expanded our focus from pure development on Domino to additional topics around the wider HCL Collaboration portfolio and system administration too. Once again, we would like to hear from you. Where else can we bring value to the community? Are there webinar topics you would like to see? Are there other ways people would like to be involved?

Beyond the sessions I'm actively participating in, I noticed that this one from Graham and Heiko Voigt name-drops me in the description, so I would be remiss if I didn't mention it:

COL112 - The HCL Domino AppDev State of the Nation - 2022 Edition
Wednesday at 4 PM Eastern
The Domino AppDev landscape has changed recently with new investment from HCL in VoltMX and VoltMX Go. Domino Volt (now soon to be Domino Leap), the AppDev Pack, the Domino REST APIs, Volt MX and the Nomad Clients have added a lot of opportunities but also a lot of confusion. In the Open Source area, Jesse Gallagher build a lot of new capabilities in the Java space. And that doesn?t include investment in old friends like LotusScript. What can be used and when? What apps can I build with which part of the stack? And what about XPages? In this session, we present an overview of the dev tool ecosystem as well as some roads that seem to be stable. Whether you're a Low-Coder, pro-Coder or a CFA in the Domino AppDev World (Come From Away), we will give you a matrix to determine your way forward, be it that you are building new apps, enhancing or modernizing existing apps or migrating apps from one path to another. And we will also try to tell you what seems to be future proven and what - well, not so much.

That one's right after my earlier roundtable on Java/Jakarta and in the same track, so you should be able to just kick back and enjoy a nice Wednesday afternoon there.

CollabSphere 2021 Slides and Video

Oct 21, 2021, 12:19 PM

Tags: collabsphere

This year, I presented a session at CollabSphere that was essentially a whirlwind overview of the tools I use and have written to go with my large client project to do automated builds and CI/CD servers.

Thanks to the Zoom-based nature of the conference, the video is already up and available:

Additionally, I've uploaded the slides to SlideShare here:

Upcoming Session at CollabSphere 2021

Sep 24, 2021, 12:53 PM

Tags: collabsphere

At this year's CollabSphere, I'll be presenting a session entitled "DEV114 - The Nuts and Bolts of CI/CD with a Large XPages and REST App":

Though Domino makes working with build servers and CI/CD pipelines difficult, it is possible to do so even with complex applications. This session will discuss the specifics of using several OpenNTF projects - NSF ODP Tooling, the Jakarta XPages Runtime, and XPages Jakarta EE Support - as well as open-source technologies such as Docker to build, test, and deploy Java-based Domino applications for testing and staging. This builds on previous sessions about the NSF ODP Tooling and Maven generally.

The general idea of this is that I'll be discussing how I actually use the various projects I've been working on and talking about over the last few years. I've essentially ended up building my own toolchain across the board just so I don't have to use Designer, and it's paid off handsomely.

I've talked about the NSF ODP Tooling quite a bit before, so I probably won't cover that extremely in-depth here, but it remains the backbone of the whole operation. It'll be good to go a bit further into the specifics of how I run XPages apps outside Domino, the limitations of that due to my inability to change the core runtime, and how that shakes out when running in a Liberty+Notes-runtime Docker container (short answer: really well).

OpenNTF Roundtable

In addition to my personal presentation, I'll be co-running "COL113 - OpenNTF Roundtable: Have Your Say" with Graham Acres. These roundtables are always pretty interesting, serving as a good view into what the OpenNTF board is thinking, what the community is interested in, and a general barometer for the state of app dev in the HCL sphere.

CollabSphere 2020 Slides and Video

Oct 29, 2020, 4:09 PM

One of the nice bonuses of an all-online conference is that session recording comes built-in, so I was able to snag that and put it up on YouTube for posterity:

Additionally, I uploaded my slides to SlideShare, though that loses out on the extremely-fancy 5-second videos I used:

CollabSphere 2020: DEV101 - Add Continuous Delivery to Domino with the NSF ODP Tooling

Oct 26, 2020, 9:54 AM

CollabSphere 2020 is starting tomorrow, this year naturally taking the form of an online conference, which has the nice benefit of meaning that you can still sign up if you haven't done so, and you're only restricted by your time zone offset for attending.

For my part, I'll be giving a presentation on the NSF ODP Tooling, currently slated for tomorrow:

DEV101 - Add Continuous Delivery to Domino with the NSF ODP Tooling

Domino applications, stored in NSFs, have been historically difficult to add to Continuous Integration tools like Jenkins and to have participate in Continous Delivery workflows. This session will discuss the NSF ODP Tooling project on OpenNTF, which allows you to take Domino-based projects - whether targetting the Notes client or web, XPages or not - and integrate them with modern tooling and flows. It will demonstrate use with projects ranging from a single NSF to a suite of a dozen OSGi plguins and two dozen NSFs, showing how they can be built and packaged automatically and consistently.

I hope you'll be able to attend - there are definitely some very-interesting topics lined up.

CollabSphere 2019 Slides

Nov 2, 2019, 9:04 AM

I've uploaded my slides for my session at CollabSphere: "Preparing Your XPages Applications for a Changing Future":

CollabSphere 2019 - Preparing Your XPages Applications for a Changing Future

While working on the presentation, I realized that pretty much all of the slides in there warrant blog posts of their own, so, as I have the time and wherewithal, I plan to expand on the topics a good deal in the weeks to come.

Additionally, Howard Greenberg uploaded the slides from our shared presentation ("shared" in the sense that he did 90% of the work), "Let's Calendar That":

Dev112 let's calendar that from Howard Greenberg