The below procedure applies to JBoss AS 7.2+, JBoss EAP 6.1+, and JBoss WildFly 8+ and assumes that you’ve full control over the server installation and configuration. This upgrades the server-wide default JSF version: Download the individual Mojarra API and impl files (and thus not the single javax.faces.jar file). Current latest 2.1.x version is 2.1.29 … Read more
JSTL tags are evaluated during building of the view, not during rendering of the view. You can visualize it as follows: Whenever a view tree get created for the first time, all JSTL tags are executed and the result is a view with only JSF components. Whenever a view tree get rendered, all JSF components … Read more
Yes, you can use the <f:viewParam> to set a request parameter as a managed bean property. <f:metadata> <f:viewParam name=”companyId” value=”#{bean.companyId}” /> </f:metadata> You can if necessary invoke a bean action using <f:viewAction> (JSF 2.2+ only) or <f:event type=”preRenderView”>. <f:metadata> <f:viewParam name=”companyId” value=”#{bean.companyId}” /> <f:viewAction action=”#{bean.onload}” /> </f:metadata> When using <f:viewAction> you can even return a … Read more
When should one use the f:viewAction or preRenderView event to initialize data for a page verses using the @PostConstruct annotation? Use the <f:viewAction> when you want to execute a method before the HTML is been rendered. This is particularly useful if you want to perform actions based on model values set by <f:viewParam> during update … Read more
A composite component gets indeed rendered as a single component. You want to use a Facelet tag file instead. It gets rendered exactly as whatever its output renders. Here’s a kickoff example assuming that you want a 3-column form with a message field in the third column. Create tag file in /WEB-INF/tags/input.xhtml (or in /META-INF … Read more
Files in /WEB-INF folder are indeed not publicly accessible by enduser. So you cannot have something like http://localhost:8080/contextname/WEB-INF/some.xhtml. That would be a potential security hole as the enduser would be able to view among others /WEB-INF/web.xml and so on. You can however use the /WEB-INF folder to put master template files, include files and tag … Read more
Can I use @EJB to inject my service into a @FacesConverter? No, not until JSF 2.3 is released. The JSF/CDI guys are working on that for JSF 2.3. See also JSF spec issue 1349 and this related “What’s new in JSF 2.3?” article of my fellow Arjan Tijms. Only then dependency injection like @EJB, @PersistenceContext, … Read more
You need to implement the javax.servlet.Filter class, do the desired job in doFilter() method and map it on an URL pattern covering the restricted pages, /user/* maybe? Inside the doFilter() you should check the presence of the logged-in user in the session somehow. Further you also need to take JSF ajax and resource requests into … Read more
JSF 1.0 / 1.1 Just put the desired logic in the constructor of the request scoped bean associated with the JSF page. public Bean() { // Do your stuff here. } JSF 1.2 / 2.x Use @PostConstruct annotated method on a request or view scoped bean. It will be executed after construction and initialization/setting of … Read more
The getInputStream() method of the uploaded file represents the file content. InputStream input = uploadedFile.getInputStream(); You need to copy it to a file. You should first prepare a folder on the local disk file system where the uploaded files should be stored. For example, /path/to/uploads (on Windows, that would be on the same disk as … Read more