Spartan Java

In our first installment we reviewed the front-end part of developing a paginated list using AJAX and Java. Now we will dive into the back-end of our pagination mechanism.
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You have to display a list of items in a web application, for each item allowing several operations (ie modification, deletion, etc.). The list can potentially be quite long, so pagination is required.
This scenario is common in backoffice web applications and public web sites, be it for administering information or as search results display, etc.

I’ll describe a simple way to implement a lightweight pagination engine that minimizes load on the server and gives the user the better experience possible. In this first installment I’ll focus on the front-end side, describing how to lay out the HTML, load it using AJAX and implementing the basic operations the user needs to navigate in your paginated list.
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Just in case you didn’t know, raising an exception makes the JVM do a lot of dirty work breaking execution flow and stuff. (continue reading…)