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org.apache.wicket.package.html Maven / Gradle / Ivy
wicket package
The core Wicket package. The key core classes you will need to learn to
do basic Wicket programming are:
- {@link org.apache.wicket.Application} / {@link org.apache.wicket.protocol.http.WebApplication} - Subclass WebApplication to create your application.
Set your home page with Application.getPages().setHomePage(MyHomePage.class).
Configure Wicket for deployment with Application.getSettings().configure("deployment").
Substitute "development" to get default settings for a development environment.
- {@link org.apache.wicket.Component} - You will need to carefully study this class as Component is very
central to Wicket. There are a large number of convenience methods in Component
and, naturally, every component in Wicket is a subclass of Component, so all these
methods are available to all Components.
- {@link org.apache.wicket.request.cycle.IRequestCycleListener} - If you are working with a persistence framework
such as Hibernate or JDO, you may need to implement a request cycle listener in order
to open a persistence session at the beginning of a request and close the session
at the end of the request.
- {@link org.apache.wicket.MarkupContainer} - You will need to study MarkupContainer carefully as
this class contains all the logic for creating and maintaining component hierarchies.
- {@link org.apache.wicket.Page} / {@link org.apache.wicket.markup.html.WebPage} - Every page in your wicket application will extend WebPage
(or some other subclass of Page if you are writing something other than a web application).
There are a number of important methods in Page and you should be familiar with all of them.
- {@link org.apache.wicket.request.mapper.parameter.PageParameters} - A simple wrapper for query string parameters.
- {@link org.apache.wicket.Session} / {@link org.apache.wicket.protocol.http.WebSession} - It is particularly important to understand Session
if you are doing clustering, but even for a very basic application you will want
to create your own subclass of WebSession using a session factory so that you can
store any session properties in a typesafe way. Note that since Pages are first
class objects with models of their own, it is likely or at least possible that you
will not have many session properties.
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