20040227 Friday February 27, 2004

Pictures from Tucson Last weekend, we headed to Tucson, Arizona to visit with family. Here are some good pics from the trip - and one of Abbie with her new kitty.

Trains
Cool Trainyard
Trains
El Charro
Trains
Saguaro National Park
Trains
Abbie giving Zoe a kiss

Posted in General at Feb 27 2004, 10:43:32 PM MST Add a Comment

Generating indexed-property ready ActionForms with XDoclet One of the issues with using XDoclet to generate your Struts ActionForms (from POJOs) is that out-of-the-box, your Forms will not support indexed properties. This means that if you have a List on an object (this list will likely contain other objects/forms), you have to extend the generated form to add the necessary setters for indexed properties. For example, if you have an addresses List on a PersonForm, you would need the following in order to edit those addresses in Struts.

    setAddresses(int index, Object address) {
        this.addresses.set(index, address);
    }

The worst part is that you need to populate the addresses list with a bunch of empty AddressForm objects before Struts' auto-population will succeed. If you were coding the PersonForm by hand, you could code a reset() method such as the following:

    public void reset(ActionMapping mapping, HttpServletRequest request) {
        this.addresses = ListUtils.lazyList(new ArrayList()new ObjectFactory());
    }

    /**
     <code>StringFactory</code>
     *
     @see org.apache.commons.ListUtils
     */
    class ObjectFactory implements Factory {

        /**
         * Create a new instance of the specified object
         */
        public Object create() {
            return new AddressForm();
        }
    }

Now for the best part - I figured out how to generate this code with XDoclet, so any lists on your Forms will be indexed-property ready. By using <nested:iterate> in your JSP, you can easily CRUD you indexed properties. Pretty slick IMHO. The template is a bit much to put on this site, and it's long lines won't fit in a <pre> - so you can temporarily view the template here. I'll add a link to it in AppFuse's CVS once it shows up there. One thing you'll notice in this template is a little Velocity-lovin':

<XDtVelocity:generator>
  #set( $method = $currentMethod.name)
  ## trim off the 'get'
  #set( $objectName = $method.substring(3, $method.lastIndexOf('s')))
</XDtVelocity:generator>

Thanks to Erik on Merrick's blog for the quick Velocity/XDoclet howto. It was especially helpful since the XDoclet site has no documentation on this feature.

For all you my framework is better junkies - a clear explanation of how your framework handles indexed properties would be appreciated.

Posted in Java at Feb 27 2004, 05:18:10 PM MST 2 Comments

New Phone? I just got an interesting SMS message from AT&T:

AT&T Wireless: Sony 
Ericsson and AT&T
Wireless have sent 
you a new T226
phone to replace
your current T68 -
no strings attached.
Questions? Call
800-500-3821.

Wierd eh? Is there something wrong with the T68i? I'll admit that the T226 looks a bit nicer, but when I get a new phone - I'd like to go all out. In other words, I'll be talking to Russ to get his recommendation. Posted in General at Feb 27 2004, 03:10:56 PM MST 4 Comments

Struts 1.2.0 Test Build Available From the struts-dev mailing list:

The Struts 1.2.0 Test Build is now available here:

http://www.apache.org/~martinc/struts/v1.2.0/

This is the first Struts build being made available following the same
test-and-release process that has been used successfully by the Tomcat
team for some time. It is *not* an official Apache release.

Once feedback has been collected on the stability and general quality of
this build, a determination will be made as to whether it should be
promoted to Alpha status.

You can reference the Struts site for a list of what's changed since 1.1. To further assist you (if you're upgrading from 1.1), you might want to check out how I did it back in October. I tested this build with AppFuse and all tests pass - I didn't even have to change a single line of code. For that reason, this is now the Struts version that'll ship with AppFuse 1.4. Posted in Java at Feb 27 2004, 09:06:43 AM MST Add a Comment

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Matt Raible is a Web Architect who enjoys developing applications with open source technologies. Contact me for rates.
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