Raible Designs

Alta

Had my first Alta experience this week. It was awesome.

Will post pictures from Crested Butte on Monday.

Making Code Generation Smarter with Maven

As you might've read in my last entry, I recently started a new gig with Overstock.com. On my first day, I was quickly immersed into the development process by joining the Conversion Team. The Conversion Team is responsible for developing the checkout UI and handling payments from customers. I quickly discovered Overstock was mostly a Linux + Eclipse Shop and did my best to get my favorite Mac + IntelliJ + JRebel installed and configured. Thanks to my new Team Lead, I was able to get everything up and running the first day, as well as checkin my first contribution: making mvn jetty:run work so I didn't have to use my IDE to deploy to Tomcat.

In setting up my environment, I couldn't help but notice running jetty:run took quite a while to run each time. Specifically, the build process took 45 seconds to start executing the Jetty plugin, then another 23 seconds to startup after that. The first suspicious thing I noticed was that the UI templates were being re-generated and compiled on each execution. The UI Templating Framework at Overstock is Jamon, and is described as follows:

Jamon is a text template engine for Java, useful for generating dynamic HTML, XML, or any text-based content. In a typical Model-View-Controller architecture, Jamon clearly is aimed at the View (or presentation) layer.

Because it is compiled to non-reflective Java code, and statically type-checked, Jamon is ideally suited to support refactoring of template-based UI applications. Using mock objects -like functionality, Jamon also facilitates unit testing of the controller and view.

To generate .java files from .jamon templates, we use the Jamon Plugin for Maven. Remembering that the Maven Compiler Plugin has an incremental-compile feature, I turned to its source code to find out how to implement this in the Jamon plugin. I was pleasantly surprised to find the StaleSourceScanner. This class allows you to easily compare two files to see if the source needs to re-examined for generation or compilation.

I noticed the Jamon Plugin had the following code to figure out which files it should generate into .java files:

private List<File> accumulateSources(File p_templateSourceDir)
{
  final List<File> result = new ArrayList<File>();
  if (p_templateSourceDir == null)
  {
    return result;
  }
  for (File f : p_templateSourceDir.listFiles())
  {
    if (f.isDirectory())
    {
      result.addAll(accumulateSources(f));
    }
    else if (f.getName().toLowerCase(Locale.US).endsWith(".jamon"))
    {
      String filePath = f.getPath();
       // FIXME !?
      String basePath = templateSourceDir().getAbsoluteFile().toString();
      result.add(new File(filePath.substring(basePath.length() + 1)));
    }
  }
  return result;
}

I changed it to be smarter and only generate changed templates with the following code:

private List<File> accumulateSources(File p_templateSourceDir) throws MojoExecutionException
{
  final List<File> result = new ArrayList<File>();
  if (p_templateSourceDir == null)
  {
    return result;
  }
  SourceInclusionScanner scanner = getSourceInclusionScanner( staleMillis );
  SourceMapping mapping = new SuffixMapping( ".jamon", ".java");

  scanner.addSourceMapping( mapping );

  final Set<File> staleFiles = new LinkedHashSet<File>();

  for (File f : p_templateSourceDir.listFiles())
  {
    if (!f.isDirectory())
    {
      continue;
    }

    try
    {
      staleFiles.addAll( scanner.getIncludedSources(f.getParentFile(), templateOutputDir()));
    }
    catch ( InclusionScanException e )
    {
      throw new MojoExecutionException(
        "Error scanning source root: \'" + p_templateSourceDir.getPath()
          + "\' " + "for stale files to recompile.", e );
    }
  }

  // Trim root path from file paths
  for (File file : staleFiles) {
    String filePath = file.getPath();
    String basePath = templateSourceDir().getAbsoluteFile().toString();
    result.add(new File(filePath.substring(basePath.length() + 1)));
  }
}

This method references a getSourceInclusionScanner() method, which is implemented as follows:

protected SourceInclusionScanner getSourceInclusionScanner( int staleMillis )
{
  SourceInclusionScanner scanner;

  if ( includes.isEmpty() && excludes.isEmpty() )
  {
      scanner = new StaleSourceScanner( staleMillis );
  }
  else
  {
      if ( includes.isEmpty() )
      {
          includes.add( "**/*.jamon" );
      }
      scanner = new StaleSourceScanner( staleMillis, includes, excludes );
  }

  return scanner;
}

If you're using Jamon and its Maven Plugin, you can view my patch at SourceForge. If you're looking to include this functionality in your project, I invite you to look at the code I learned from in the Maven Compiler's AbstractCompilerMojo class.

After making this change, I was able to reduce the build execution time by over 50%. Now it takes 20 seconds to hit the Jetty plugin and 42 seconds to finishing starting. Of course, in an ideal world, I'd like to get this down to 20 seconds or less. Strangely enough, the easiest way to do this seems to be simple: use Linux.

On the Linux desktop they provided me, it takes 12 seconds to hit the Jetty plugin and 23 seconds to finish starting. I'd like to think this is a hardware thing, but it only get 20% faster on OS X when using an 8GB RAM + SSD machine (vs. a 4GB + 5400 drive). Since Overstock has provided me with a 4GB MacBook Pro, I'm considering installing Ubuntu on it, just to see what the difference is.

In related news, Overstock.com is looking to hire a whole bunch of Java Developers this year. The pictures of the new Provo office look pretty sweet. Of course, you can also work at HQ, which is a mere 25 minutes from some of the best skiing in the world. Personally, I think Colorado's powder is better, but I can't argue with the convenience of no traffic. In addition to full-time gigs, they've started hiring more remote contractors like myself, so they pretty much have something for everyone. So if you love Java, like to get some turns in before work, and aren't an asshole - you should and I'll try to hook you up.

Update: After writing this post, I received an email from Neil Hartner questioning these numbers. Basically, he was able to get his MacBook Pro to run just as fast as Linux. Turns out, the reason my Mac was so much slower was because JRebel was configured in my MAVEN_OPTS. JRebel's FAQ does state the following:

Does JRebel make the server start up slower?
JRebel needs to do more work on startup (search more places for classes and resources, instrument classes, etc), so some slowdown can be expected. If it's larger than 50% please contact [email protected].

Since it's right around 50% slower, I guess there's no reason to call them. My guess is the best thing to do is remove JRebel from MAVEN_OPTS, but have an alias that can enable it, or simply run it from your IDE.

2010 - A Year in Review

2010 was a heckuva year, possibly one of my all-time favorites. It started with lots of anticipated fun and ended with lots of travel, skiing and relaxing and I'm only just now finding time to write this post. I had a lot of goals when I started 2010; the top two being my favorite:

• Happiness
• Girl

The rest of my goals involved running, skiing, mountain biking and finishing The Bus. I also had some professional goals that involved open source, conferences, publishing articles and learning new technologies. I accomplished about 75% of my personal goals and 50% of my professional goals. I'm pretty happy with these percentages considering how much fun I had last year.

In December 2009, I started working with Time Warner Cable as their Chief Architect of Web Development. I was hired to help them build a team of hard-working developers that could quickly build their online video presence. In January, we started getting our ducks in a row with some Agile Training in Virginia, followed by hiring some Agile Coaches. The only technical post I had during this process was about development infrastructure stacks. Both at TWC and my current gig, I've found myself enjoying the following stack:

• Source Control: SVN
• Source Viewer: FishEye
• Wiki: Confluence
• Bug Tracker: JIRA
• Continuous Integration: Hudson

We tried Git for a couple months at TWC, but ended up reverting to SVN after we had "code deleted" issues during one of our most intense development cycles. When the kids and I weren't skiing, we worked on documenting How to be a Super Hero and The Adventures of Upside Down Man.

In February, I refreshed my Grails knowledge, later learning that it was tough to teach Grails to developers that didn't know Java. First of all, a lot of Grails and Groovy books are targeted at Java Developers. Secondly, the developers I was trying to sell it to had more interest in learning Java. Since I failed to sell Grails, we ended up using Spring + jQuery to build our app. I don't think was a bad decision as most of our development ended up being UI: ActionScript/Flex, Objective-C and jQuery/HTML.

My laptop was stolen from my living room in early February. It worked out nicely in the end since I didn't lose any data (thanks to good backups) and my business insurance covered the loss. My parents came out and helped me finish remodeling my guest room. I posted about My Future of Web Frameworks Presentations and became a proud father when "Jack was flying past both Abbie and I and giggling while doing it".

By the beginning of March, we'd hired a team of 10 at TWC and I took a trip to Jackson Hole to celebrate.

The thing I enjoyed the most about this trip was how well the group jelled. Kudos to Chris for assembling such an awesome group and putting such a spectacular trip together. Can't wait for next year.

The next week, I flew to Las Vegas for The ServerSide Java Symposium and enjoyed sessions on Cloud, Web Service APIs, Flex, Spring 3 and Cameron's Lessons Learned from the Internet Age. I posted my Future of Web Frameworks and GWT vs. Flex Smackdown presentations after the conference.

I ended March with The Trifecta.

For Easter, I purchased an iPad and reviewed it a few days later. Seven months later, I'm not enthralled with the iPad, but I do think it's a heckuva lot better than the Galaxy Tab. I don't use it much, except for movies when traveling. My kids are its primary users, mostly using it for games and Netflix.

We visited my parents in Oregon and celebrated my Mom's retirement.

The picture I took of my Mom and Abbie that weekend is one of my all-time favorites.

At the end of April, I said farewell to the ski season, getting in 25 days; a personal best. I'm happy to report I have 10 days in so far this year, so my goal of 30 days looks to be well on track. No helicopter attempts yet, but hopefully soon.

I ended the month with a work trip to Seattle and painting the town red with my sister and Mya.

I returned to Denver and turned off my TV for a month. I wrote about my experience in early June. For Memorial Day Weekend, I went mountain biking in Moab and had a blast at the Desert Rocks Music Festival. The Porcupine Rim ride took us 4.5 hours and we tracked 26.75 miles. The several points in the trail with "death on the right" were truly epic.

June started with our annual Ride to Red Rocks. I slept six hours and did the 25-mile off-road Elephant Rock ride the next morning. The next morning I hopped on a plane to Ireland for the Irish Software Show. My sister joined me and we had an incredible time with Jamie, Rob, John and Josh.

Upon returning to work, I got to have an awkward conversation with my client about all the vacation I was taking.

For Father's Day, my parents drove to Denver and we packed up the camping gear for a fun weekend at The Great Sand Dunes. After The Dunes, my parents and kids drove to The Cabin, camping out and touring Yellowstone along the way. That Thursday, June 24th, I attended my good friend Jason's birthday party in Lodo.

That's the night I met Trish.

I saw her switch from a Martini to a Guinness and I knew I had to talk to her. I introduced myself and quickly found myself conflicted with having a soon-to-expire iPhone 4 reservation at the Apple Store. I rushed out to grab the phone, returning because there was something special about Trish. We talked for a couple hours that night ... me mesmerized, her smiling a lot. I was dumbfounded to find such a cool person existed in the world. At the end of the night, I got her number and drove home with a feeling that my life was about to change.

The next day, I began a road trip to The Last Best Place for a Montana Summer Vacation.

During that trip, Trish and I exchanged occasional text messages and I told many friends about the kick-ass girl I met. It was another great Montana vacation.

My favorite part of this year's trip to The Cabin was seeing it as a home again. My Mom retired in April and my parents moved back to Montana shortly after. Seeing how happy they are there is truly magical. I especially enjoy the thought of visiting them and all the wonderful folks in the Swan Valley many, many times in the future.

The kids and I drove like bats out of hell and made it back to Denver (950 miles) in 14.25 hours. I quickly scheduled a first date with Trish that Wednesday, and went back to work at TWC with a renewed energy. After our first date, I formed a sort of perma-grin. That Friday was my birthday. I've been having a blast with Trish ever since.

July ended with a trip to the Lost Coast for Jess and Lili's Wedding.

The reception afterwards was a truly spectacular party that lasted well into the evening. Clint and I vowed to go to bed early, but we ended up having so much fun we closed the place down. Jess and Lili were an instrumental part in creating a spectacular night, especially with their wedding dance and infectious happiness.

In August, I celebrated this blog's 8th birthday and we started our "60-Day Push" at work. The goal of our 60-Day Push was to re-write our Video Portal, iPad and Sony Blu-ray apps from scratch, without politics dictating their features. We hired Method for design, chose our own features and went to work. I wrote about the success of this effort in October.

I neglected to write about the Denver Cruisers Saints and Sinners ride or how much fun we had listening to B.B. King at Red Rocks.

Abbie and Jack's first day of school was on August 16th.

At the end of August, we celebrated Jack's 6th Birthday and attended my Cousin Amy's Wedding in Missouri.

September rolled in, we finished the majority of the work in our 60-Day Push and Trish and I drove up to Estes Park for an epic weekend at the Scottish-Irish Festival. We rode our bikes in the parade (by accident), enjoyed a few pints and even did a bit of fly-fishing near our riverside accommodations.

We listened to the 1st 2010 Broncos game while driving back from Estes and slipped into a Rockies game shortly after losing. Our sadness over the Broncos loss was erased within a couple hours as we celebrated Jason Giambi's walk-off home run. Unfortunately, the Rockies didn't make it to the post-season, but the Broncos looked good at their home opener.

October came quickly and I wrote How's the ol' Team Doing and defended the Age of Frameworks. At the end of October, we moved into TWC's Lodo Office on Wynkoop. That weekend, we dressed up as superheros for Halloween.

November started off with Abbie's birthday and Trish got to meet the kids for the first time. From there, we went into traveling-like-madmen mode. We enjoyed suite seats at the Broncos vs. Kansas City game, then flew to Amsterdam for Devoxx the next morning (performing an AppFuse release along the way). I presented on Thursday and posted my Comparing JVM Web Frameworks presentation shortly after. I wrote about our trip while at The Cabin for Thanksgiving.

I flew back from Montana, stopped in at the Lodo office for a couple days, then hopped on a plane to the Rich Web Experience with Trish. My presentations went well, sparked some controversy, and we raced to Key West to celebrate the end of the conference season.

I returned to Denver for my last week at TWC, enjoyed a couple days of skiing, then headed to Utah for an interview with Overstock.com. While I enjoyed my time at TWC, my contract duration was up and being a full-time employee didn't give me the vacation time I tend to enjoy. My interview with Overstock.com was two days, with the 2nd day on the slopes at Snowbird. I was very impressed by the company, people and interview process and agreed to work there on the way to the airport.

I returned to Denver for Trish's Birthday Weekend at Breckenridge, then flew down to Naples on Wednesday to spend Christmas with her family. It was my first time meeting her parents, but that didn't stop us from having a great time talking, beach-going, golfing and relaxing.

We returned to Denver, I tried to get AppFuse 2.1 finished and then we celebrated New Years with friends in Steamboat.

As I reminisce about last year, I can't help but smile. While I've been a happy person for a while, having someone to share your life with is a special thing. I feel like I dreamed up Trish a couple years ago. I was looking for someone that liked to do my favorite activities: mountain biking, skiing, traveling the world and enjoying good beer. I found that and more in Trish and couldn't be happier.

I didn't write as many technical posts on this blog as I'd like to, but I attribute that mostly to the lack of learning new things at TWC. At Overstock.com, I expect that to change and hope to have more technical articles in the coming year.

At the end of last year's Year in Review, I wrote:

I hope to speak at (or attend) 3 conferences, finish up The Bus and do a whole bunch of skiing and mountain biking.

I accomplished all but one goal: finishing The Bus. In 2011, I plan on doing two main things: keep rockin' it with Trish and finishing The Bus. Everything else is gravy.

It's gonna be a spectacular year.

A Fun Week in Florida at The Rich Web Experience

Last week, I traveled with my fun-loving company photographer to Fort Lauderdale for The Rich Web Experience. Both my talks were on Wednesday afternoon, so we had plenty of time to enjoy our hotel, the beach and the beautiful weather.

After hitting the Hard Rock Casino on Thursday night, we decided to take things up a notch. Friday afternoon we rented a 2008 Corvette Convertible and drove to Key West for the night. I was a little hesitant to spend the money at first, but when I fired up the car and realized how fast it was, my buyers remorse quickly disappeared and an evil laugh ensued. Having zero to sixty in 4.3 seconds was a whole lotta fun!

We drove 200 miles to Key West with no plans for the night and quickly found the last room available at the Ocean Key Resort. It was right on the water, had close proximity to the nightlife and a fantastic breakfast on the balcony.

On Saturday, we relaxed at the pool for a couple hours and then headed to the Mel Fisher Maritime Museum to learn about the Spanish Galleons of 1622. This was a very cool exhibit that explains Mel Fisher's $200 million treasure hunt as well as the history and other happenings of the 1600s. I highly recommend going if you're ever in Key West.

Thanks to Jay Zimmerman for inviting me to The Rich Web Experience. The combination of a sweet room, an awesome travel partner, great weather and a fast car made for a heckuva vacation. For more pictures from our trip, checkout my Rich Web Experience 2010 set on Flickr.

Note: I shot the last 3 pictures of the bottom two rows using the Pro HDR app for my iPhone. Thanks to Tim Berglund for recommending it.

How I Calculated Ratings for My JVM Web Frameworks Comparison

When I re-wrote my Comparing JVM Web Frameworks presentation from scratch, I decided to add a matrix that allows you to rate a framework based on 20 different criteria. The reason I did this was because I'd used this method when choosing an Ajax framework for Evite last year. The matrix seemed to work well for selecting the top 5 frameworks, but it also inspired a lot of discussion in the community that my ratings were wrong.

I expected this, as I certainly don't know every framework as well as I'd like. The mistake I made was asking for the community to provide feedback on my ratings without describing how I arrived at them. From Peter Thomas's blog:

What you are doing is adjusting ratings based on who in the community shouts the loudest. I can't help saying that this approach comes across as highly arrogant and condescending, you seem to expect framework developers and proponents to rush over and fawn over you to get better ratings, like waiters in a restaurant trying to impress a food-critic for Michelin stars.

I apologize for giving this impression. It certainly wasn't my intent. By having simple numbers (1.0 == framework does well, 0.5 == framework is OK and 0 == framework not good at criteria) with no rationalization, I can see how the matrix can be interpreted as useless (or to put it bluntly, as something you should wipe your ass with). I don't blame folks for getting angry.

For my Rich Web Experience presentation, I documented why I gave each framework the rating I did. Hopefully this will allow folks to critique my ratings more constructively and I can make the numbers more accurate. You can view this document below or on Google Docs.

In the end, what I was hoping to do with this matrix was to simply highlight a technique for choosing a web framework. Furthermore, I think adding a "weight" to each criteria is important because things like books often aren't as important as REST support. To show how this might be done, I added a second sheet to the matrix and made up some weighting numbers. I'd expect anyone that wants to use this to downloaded the matrix, verify the ratings are accurate for your beliefs and weight the criteria accordingly.

Of course, as I and many others have said, the best way to choose a web framework is to try them yourself. I emphasized this at the end of my presentation with the following two slides.

My Everything You Ever Wanted To Know About Online Video Presentation

This week I've had the pleasure of speaking at The Rich Web Experience in Fort Lauderdale. I did two talks, one on Comparing JVM Web Frameworks and one titled Everything You Ever Wanted To Know About Online Video. Both talks had full rooms and very engaged audiences.

In the video talk, there were some audience members that knew way more than me about the topic. This made for a very interactive session and one of the most fun presentations I've ever done. It was also cool to talk about a lot of things I've learned over the last year (for more details on that, check out my team status or team hiring posts). If you don't have Flash installed, you can download a PDF of this presentation.

The first talk about Comparing JVM Web Frameworks was largely an extension of the one I presented at Devoxx two weeks ago. The main differences between this one and the last one is I extended it a bit and took into account some community feedback. However, this seemed to simply inspire anger, so I'll pass on embedding it here. You can view it on Slideshare or download the PDF.

My Comparing Web Frameworks slides often inspire harsh words, but folks really seem to like the presentation. I encourage you to watch my Devoxx presentation on Parleys.com to see for yourself.

This marks the end of 2010 conferences for me. I had a blast speaking at The Rich Web Experience, as well as TheServerSide Java Symposium, The Irish Software Show and Devoxx. Now it's time to sit back, relax, get some powder days in and find my next gig.

Hope y'all have a great holiday season!

An Awesome Trip to Amsterdam and Antwerp for Devoxx 2010

I've often heard that Devoxx (formerly Javapolis) is one of the best Java-related conferences in the world. I've also heard it has the best speaking and viewing facilities (a movie theater) of any conference. When I was invited to speak earlier this year, I jumped at the opportunity. When I met Trish last summer, I even used it in a pickup line: "Wanna go to Belgium with me in November?"

Last week was one of the most memorable weeks of my life. It all started with a tremendously fun Broncos vs. Chiefs game at Invesco Field in Denver. Trish's company, FishNet Security, was hosting a tailgate party and had rented a suite for the game. I was irrationally confident that the Broncos would win, so proceeded to place bets with many of her co-workers. Since FishNet is headquartered out of Kansas City, most of the folks in the suite were Kansas City fans. You can imagine my excitement when the CEO's wife agreed to chug a beer every time the Broncos scored. I talked a couple of other folks into the same bet and proceeded to giggle and grin for the duration of the 49-29 routing.

I tell this story because it put us in the perfect mood to begin our trip to Devoxx the next day.

Trish and I left Denver at noon on Monday, stopped in Chicago for a 2-hour layover and continued to Amsterdam on an overnight flight. In Chicago, we journeyed into the Red Carpet Club, where I performed a long overdue release of AppFuse. We'd both started to come down with my kids' cold, so we popped some NyQuil a couple hours into the flight and slept through the night.

Amsterdam
We arrived in Amsterdam on Tuesday morning and proceeded on a walkabout of the city. We stumbled into Dam Square, found some breakfast and checked our bags into a nearby hotel. Our first stop was the Van Gogh Museum, where we proceeded to enjoy the audio tour and learn about the life and works of Van Gogh. From there, we headed to the Heineken Brewery for a tour and some extra cold beers. While walking back to Amsterdam Central Station to catch a train to Antwerp, we stopped in at the Ice Bar to experience drinks in sub-zero temperatures. All the brochures said it was the #1 attraction in Amsterdam, but that was obviously just good marketing. Regardless, we enjoyed the "4D" experience and cool bartender tricks.

Amsterdam is one of my favorite cities in the world, offering some of the best scenes and photo opportunities I've ever seen. We marveled at a gorgeous sunset over a canal on our walk back to the train station.

On the train to Antwerp, we scarfed down delicious bread and cheese, chased it with wine and watched a movie on my iPad. Upon arrival, we were instantly mesmerized by the architecture and beauty of the Antwerpen Centraal Station. We hailed a taxi and proceeded to our accommodations at the Holiday Inn Express.

Devoxx
I knew that Devoxx was a great conference and I could learn a lot by attending. However, it was also my first time in Belgium and I knew there was a lot to learn by exploring too. Much to my delight, while lying in bed on Wednesday morning, I quickly realized I could get all the key highlights via Twitter. I also learned that, as a speaker, I'd get full access to all the sessions via Parleys.com. So Wednesday was spent registering for the conference and traveling to Antwerp's shopping district to explore and drink a few delicious Belgium beers.

On Thursday, we woke up early and walked the 35 minute journey to the conference to catch The Future Roadmap of Java EE talk. The session was so packed that many overflow rooms were created and we nestled ourselves into the front row of one across the hall. My talk on Comparing JVM Web Frameworks was next and I fought the crowd to get into the keynote room to deliver it. I don't know how many people attended (est. 500), but it was definitely the largest audience I'd ever spoken in front of. Based on Twitter mentions, the majority of people seemed to enjoy it and that put a smile on my face for the rest of the day.

Since Trish and I didn't have time for breakfast, we walked back to the hotel, dropped off my laptop and headed downtown to find some grub. We found Madre Tierra, had a delicious breakfast and continued on to Cathedral of Our Lady. The artwork inside was amazing, as demonstrated by the pictures below.

That evening, we joined the Java Posse dinner at Pelgrom. This was a fun dinner where we got to sit with Dick Wall and Carl Quinn on one side and Mark Reinhold, Chet Haase and Romain Guy on the other. Good food, great beer and excellent conversation. From there, we met up with James Ward and other Adobe folks before attending the Devoxx party to close the night.

Friday, we slept in and tracked down some delicious Belgium Waffles at Désiré de Lille before catching a train to Ghent. We arrived at sunset, but that didn't stop Trish's Nikon D300 from capturing many spectacular shots throughout the night.

On Saturday, we began our journey back to the US, starting with taking the fast train from Antwerp to Amsterdam. We checked into a fancy hotel and snuggled in for a cozy dinner at Tibet Restaurant. We spent most of the night walking around, taking sweet photos and making our Irish heritage proud.

Traveling to Belgium and speaking at Devoxx was definitely a highlight of my life. Not only were the sites fantastic, but the conference attendees were super nice and I had the best travel partner in the world. The beers were delicious, the food was excellent and I can't wait to return in the future. Thanks to the Devoxx Crew for having me!

To see all the pictures I took on this trip, check out my Devoxx 2010 set on Flickr.

My Comparing JVM Web Frameworks Presentation from Devoxx 2010

This week, I've been having a great time in Antwerp, Belgium at the Devoxx Conference. This morning, I had the pleasure of delivering my Comparing JVM Web Frameworks talk. I thoroughly enjoyed giving this presentation, especially to such a large audience. You can view the presentation below (if you have Flash installed) or download it here.

Unlike previous years, I chose to come up with a spreadsheet matrix that shows why I chose the 5 I did. This spreadsheet and rankings given to each framework are likely to be debated, as I don't know all the frameworks as well as I'd like to. Also, the missing column on this spreadsheet is a "weighting" column where you can prioritize certain criteria like I've done in the past when Comparing Ajax Frameworks. If you believe there are incorrect numbers, please let me know and I'll try to get those fixed before I do this talk again at The Rich Web Experience.

One thing that doesn't come across in this presentation is that I believe anyone can use this matrix, and weightings, to make any of these frameworks come out on top. I also believe web frameworks are like spaghetti sauce in The Ketchup Conundrum. That is, the only way to make more happy spaghetti sauce lovers was to make more types of spaghetti sauce. You can read more about this in my There is no "best" web framework article.

Update: If you disagree with the various ratings I gave to web frameworks in this presentation, please provide your opinions by filling out this survey. Thanks to Sebastien Arbogast for setting this up.

Update: Sebastien has posted his survey results at JVM Web Framework Survey, First Results.

Update 12/6: A video of this presentation is now available on Parleys.com.

P.S. My current gig is ending in mid-December. If you're looking for a UI Architect with a passion for open source frameworks, please let me know.

AppFuse 2.1 Milestone 2 Released

I'm pleased to announce the 2nd milestone release of AppFuse 2.1. This release includes upgrades to all dependencies to bring them up-to-date with their latest releases. Most notable are Spring 3 and Struts 2.1. This release fixes many issues with archetypes and contains many improvements to support Maven 3. For more details on specific changes see the 2.1.0 M2 release notes.

What is AppFuse?
AppFuse is an open source project and application that uses open source frameworks to help you develop Web applications quickly and efficiently. It was originally developed to eliminate the ramp-up time when building new web applications. At its core, AppFuse is a project skeleton, similar to the one that's created by your IDE when you click through a wizard to create a new web project. If you use JRebel with AppFuse, you can achieve zero-turnaround in your project and develop features without restarting the server.

Release Details
Archetypes now include all the source for the web modules so using jetty:run and your IDE will work much smoother now. The backend is still embedded in JARs, enabling you to choose with persistence framework (Hibernate, iBATIS or JPA) you'd like to use. If you want to modify the source for that, add the core classes to your project or run "appfuse:full-source".

AppFuse comes in a number of different flavors. It offers "light", "basic" and "modular" and archetypes. Light archetypes use an embedded H2 database and contain a simple CRUD example. In the final 2.1.0 release, the light archetypes will allow code generation like the basic and modular archetypes. Basic archetypes have web services using CXF, authentication from Spring Security and features including signup, login, file upload and CSS theming. Modular archetypes are similar to basic archetypes, except they have multiple modules which allows you to separate your services from your web project.

AppFuse provides archetypes for JSF, Spring MVC, Struts 2 and Tapestry 5. The light archetypes are available for these frameworks, as well as for Spring MVC + FreeMarker, Stripes and Wicket.

Please note that this release does not contain updates to the documentation. Code generation will work, but it's likely that some content in the tutorials won't match. For example, you can use annotations (vs. XML) for Spring MVC and Tapestry is a whole new framework. I'll be working on documentation over the next several weeks in preparation for the 2.1 final release.

For information on creating a new project, please see the QuickStart Guide.

If you have questions about AppFuse, please read the FAQ or join the user mailing list. If you find bugs, please create an issue in JIRA.

Thanks to everyone for their help contributing patches, writing documentation and participating on the mailing lists.

Abbie's 8th Birthday and Other Happenings

This past weekend, we celebrated Abbie's 8th birthday. In the wee hours of the morning on November 5, 2002, I became a father for the first time. It's hard to believe my little girl has grown up so fast. As a 2nd grader, Abbie is into singing in the shower, playing piano, anything pet-related and teasing her brother. She also excels at school where's she's won a couple awards and recently got published in a book of poems.

In addition to last weekend being a wonderful weekend of celebration, it was a weekend of introductions. You might remember my "super-fun friend Trish" from the Epic Weekend in Estes Park. Trish is an Amazing Woman I met this summer and someone I've nicknamed my Double Rainbow because I've been so mesmerized with her. Yeah, it might sound a bit over-the-top, but that's somewhat the mantra of our relationship. This weekend was the first time I introduced Trish to Abbie and Jack. The meeting went smooth as butter and I'm relieved to say everyone got along great.

In other news, Jack recently lost his first teeth the same way Abbie did, by getting them yanked. He had his first adult tooth coming in and had 4 baby teeth that were getting in the way. Before and after pictures are below:

Coincidentally, when I wrote about Abbie getting her first tooth, I spoke at the Colorado Springs Open Source User Group and visited The Bus. Just over two years later, Jack got his first tooth and I spoke again in the Springs. I tried to visit The Bus on that same trip, but ran out of time. To make up for it, I drove down last weekend, met with Motorworks Restorations and formulated a plan (911 engine, airbags, 5 speed tranny, Porsche wheels and brakes) for finishing the restoration. With any luck, I'll be driving it next summer.

On the work side of things, my co-workers and I recently moved to a new office in LoDo. The new space has been awesome so far. Next week, I'll be traveling to Devoxx with Trish. The following week, I'll be at The Cabin. Then it's off to The Rich Web Experience in Florida. If you happen to be in Antwerp, Northwest Montana or Fort Lauderdale in the next few weeks, maybe I'll see you along the way.