Head First Servlets and JSP, 2nd Edition

OK, let’s get real...

Remember the beer webapp from Chapter 3? Let’s improve it a bit, and automate part of the HTML form:

If we make the options dynamic, they’ll be easier to update and change, without messing around with the HTML. Instead, we want the options to be generated from a Java List created in the web application. So here’s the custom tag we want to build:

Sharpen your pencil

Your mission (if you choose to accept it) is to complete the implementation of the select tag handler.

First, the handler class needs to implement setter methods for each tag attribute; here’s a skeleton to get you started:

Next, complete the implementation of the select tag handler class by writing the doTag() method. We’ve provided the method signature and a few helpful comments help you out. Don’t forget to take a look at the HTML that this tag needs to generate in OK, let’s get real....

Now you need to configure the select tag in the TLD file. The boilerplate elements of the TLD are already provided for you. ...