Thursday, February 22, 2018

Validating a Domain Name using Commons-Validator

A quick example of using DomainValidator to validate a domain name.

Thursday, November 16, 2017

JSF 2.3 Tip of the Day: Single Select Menu Item Example

One of my new colleagues is new to JSF development, and asked for some assistance in creating a JSF <h:selectOneMenu/> which had a blank option. I came up with a quick example using JSF 2.3 and CDI on GlassFish 5.0.

The web page (index.xhtml) looks like the following:

The backing bean (IndexBean.java) contains the list of items for the menu and the logic to hold the selected value:


All in all a very simple example. I was asked what my dependencies looked like so here is the one last piece.


The NetBeans Maven project can be downloaded here: jsf23-cdi-selectonemenu-example

Monday, October 09, 2017

JAX-RS 2.0 Tip of the Day: Using MOXy and Forms Example on GlassFish 5.0

Glass Fish
I have been tasked with doing some JAX-RS coding during my day job. I wanted to update my skills for JAX-RS which is one of my favorite technologies. I specifically use Jersey which I find very well done and easy to use. As a number of you may know... I am a GlassFish fan too (one just needs to look at my banner). I decided to use my trusty NetBeans 8.2 install to write a quick example.

MOXy is enabled by default if you add the dependency to your Maven project.


This is a great feature, and I wanted to give it a spin instead of using Jackson, or Jettison. The usage was as simple as adding a @XmlRootElement annotation to the model class. The rest was handled automagically.

The entire project including a war file are available on Github: jaxrs-form-data-parameters.

A simple platform independent file is used to setup the application.


We set up web resource (service) to handle our requests.


That's it! You now have a JAX-RS Web Service. The project runs successfully on GlassFish 5.0 (.war file on GitHub).

NOTE: MOXy has some issues running on GlassFish 4.1, 4.1.1, and 4.2.

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