Hi,
On Mon, Jun 24, 2013 at 11:08 PM, Michael Chandler < michael.chand...@onassignment.com> wrote: > Joachim, > > This was a phenomenal write-up. Thank you so much for this extremely > helpful guide. Much appreciated! > > Regards, > > Mike > > -----Original Message----- > From: Joachim Schrod [mailto:jsch...@acm.org] > Sent: Monday, June 24, 2013 12:28 PM > To: users@wicket.apache.org > Subject: Re: Wicket with Spring for IOC > > Michael Chandler wrote: > > I'm using Wicket with Spring for dependency injection and at first > > really struggled with what appears to be Wicket serializing my > > application context. > > Then you probably don't use wicket-spring. Or you store your app context > in a Wicket component, e.g., a page. > > The "official" documentation is > https://cwiki.apache.org/confluence/display/WICKET/spring.html > IMHO it's problematic because it tells you first about things you don't > want to use. > Feel free to update the wiki > > There's a chapter in the new free Wicket guide, but it's very basic as > well. > Or create a ticket at https://code.google.com/p/wicket-guide/issues/list to be improved. > > So, here's my method / recommendation: > > 1. I use Maven. One needs a dependency to org.apache.wicket:wicket-spring. > > 2. My application object is a Spring Bean. It's declared in > WEB-INF/applicationContext.xml. web.xml tells about it > > <listener> > <description> > Load WebApplicationContext of Spring from > WEB-INF/applicationContext.xml. > </description> > > <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> > </listener> > <filter> > <filter-name>Wicket Application Filter</filter-name> > > <filter-class>org.apache.wicket.protocol.http.WicketFilter</filter-class> > <init-param> > <param-name>applicationFactoryClassName</param-name> > > <param-value>org.apache.wicket.spring.SpringWebApplicationFactory</param-value> > </init-param> > <init-param> > <param-name>ignorePaths</param-name> > <param-value>/js,/css,/images</param-value> > </init-param> > </filter> > > (Adapt your ignorePaths as needed.) > > 3. Within your application object, you need to call > > this.getComponentInstantiationListeners().add(new > SpringComponentInjector(this)); > > Usually, it's sufficient to call that in init(). > Except if you're using converters that need access to Spring beans, > e.g., services. Then, newConverterLocator() is a better place for it. > > 4. Within your Wicket components, tag Spring beans with an annotation: > > @SpringBean BeanClass beanObject; > > Wicket will inject the Spring bean. Of course, you need to *declare* > your Spring bean in Spring! I.e., you either need to declare an > application-level bean in WEB-INF/applicationContext.xml or you need > to trigger annotation scanning by Spring. (<context:component-scan> > and friends.) > > 5. If you need Spring beans in a behavior, resource, or any other > non-component > class, you need to tell Wicket about it. For that, you call > > Injector.get().inject(this); > > in that class' constructor. Afterwards, @SpringBean injections > work in that class. > > That's all. It just works. > > HTH, > Joachim > > -- > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > Joachim Schrod, Roedermark, Germany > Email: jsch...@acm.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
