August 2003
Intermediate to advanced
304 pages
7h 33m
English
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Create a Wireless Wish List
Take your Wish List wherever you go with AWS, XSLT, and WAP!
How many times have you been browsing at a bookstore or video store and you can’t remember which books or movies you wanted to pick up? Sure, you could write them all down on a piece of paper and take it with you, but what fun would that be? Instead, you can use powerful cell networks and web applications to do the work for you. If you track wanted books and movies with your Amazon Wish List and have a WAP-enabled cell phone, you can always have your list handy.
WAP stands for Wireless Access Protocol, and it’s used for delivering information to cell phones and other handheld devices. The information itself is formatted with WML (Wireless Markup Language), an XML format.
Just as HTML pages have <body> elements that
contain the bulk of the page, WML pages have
<card> elements. Each WML page can contain
several cards, but only one card is displayed at a time. Also, links
work much the same way as in HTML. Instead of <a href> tags, WML relies on
<anchor> and <go href> tags. This example creates one card with a list of
items. Each item links to the Amazon WAP product detail page for that
item.
The Code
Making AWS responses available to a cell phone is just a matter of converting one XML format (AWS response) to another (WML). Once again, Amazon’s XSLT service makes this quick work.
Create an XSL file called wap_wishlist.xsl with the following code:
<?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.