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ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
2 Answers
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Migrating from JSF 1.2 to JSF 2.0
...cessary, but just for cleanup, remove any Facelets 1.x related <context-param> values from web.xml which are already default in Facelets 2.0, like the javax.faces.DEFAULT_SUFFIX with value of *.xhtml.
Update root declaration of existing Facelet taglib XML's to comply Facelets 2.0.
<facelet...
How to choose the right bean scope?
...you'd need to use exclusively @RequestScoped beans and fiddle with request parameters to maintain the client's state. Also note that when you have a single JSF page with differently scoped data, then it's perfectly valid to put them in separate backing beans in a scope matching the data's scope. The...
What are the main disadvantages of Java Server Faces 2.0?
...purists could breathe relieved. All you need to do is to define it as init-param in web.xml with the name javax.faces.SEPARATOR_CHAR and ensuring that you aren't using the character yourself anywhere in client ID's, such as -.
Last but not least, a new scope was introduced, the view scope. It elimi...
How to use enum values in f:selectItem(s)
...is "relatively" new. Otherwise you can always grab <c:set> or <ui:param> or homebrew a custom EL function.
– BalusC
Apr 5 '12 at 21:49
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Recommended way to save uploaded files in a servlet application
...e server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
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Performing user authentication in Java EE / JSF using j_security_check
...roach is regarding user authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets)....
When to use f:viewAction / preRenderView versus PostConstruct?
...eful if you want to perform actions based on model values set by <f:viewParam> during update model values phase. Namely, they are not available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If the backing bean is...
Difference between getAttribute() and getParameter()
What is the difference between getAttribute() and getParameter() methods within HttpServletRequest class?
10 Answers
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When should I use h:outputLink instead of h:commandLink?
...text" action="destination" />
</h:form>
The ?faces-redirect=true parameter on the <h:commandLink>, which triggers a redirect after the POST (as per the Post-Redirect-Get pattern), only improves bookmarkability of the target page when the link is actually clicked (the URL won't be "on...