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Tag Archives: JSF

Monitor full page, non AJAX, requests to be notified

Recently, working on new charts and chart “exporting service” in JSF, I’ve faced a quite common problem. When you execute a long-running task (action), you would like to show a status “Please wait …” dialog on start and close this dialog at the end, when the response arrives. This is not a problem for AJAX requests, but it is problematic ...

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Multiple dynamic includes with one JSF tag

java-interview-questions-answers

Every JSF developer knows the ui:include and ui:param tags. You can include a facelet (XHTML file) and pass an object, which will be available in the included facelet, as follows:                 <ui:include src="/sections/columns.xhtml"> <ui:param name="columns" value="#{bean.columns}"/> </ui:include> So, you can e.g. use it within a PrimeFaces DataTable with dynamich columns (p:columns) <p:dataTable value="#{bean.entries}" ...

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Java EE CDI bean scopes

java-interview-questions-answers

Contexts and Dependency Injection (CDI) for the Java EE platform is a feature that helps to bind together the web tier and the transactional tier of the Java EE platform. CDI is a set of services that, used together, make it easy for developers to use enterprise beans along with JavaServer Faces technology in web applications. In CDI, a bean ...

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Passing complex objects in URL parameters

Imagine you would like to pass primitive data types, complex Java objects like java.util.Data, java.lang.List, generic classes, arrays and everything what you want via URL parameters in order to preset default values on any web page after the page was loaded. Common task? Yeah, but available solutions are mostly restricted to encoding / decoding of java.lang.String. The approach I will ...

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Spring Data, MongoDB and JSF Integration tutorial

Introduction to sample application (MongoShop Product Catalog) After this tutorial, a sample application (MongoShop Product Catalog) with the following functional requirement will be built:               1. Searching product with different criteria (e.g. sku, product type, title, stc) 2. Create a new product with different category. 3. Edit selected product details 4. Delete selected product ...

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Prime-UI, JAX-RS with Jersey and Gson on Oracle Cloud

The Oracle Cloud is around everywhere these days. It had a rough start with Larry denying the need for a cloud for a very (too) long time and some very early announcements and a very bad availability after last year’s Open World nobody seems to be interested anymore. But for me it still has it’s hidden treasures and I believe ...

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JSF – Eager CDI beans

Everybody knows eager managed beans in JSF 2. @ManagedBean has an eager attribute. If eager=’true’ and the scope is application, then this bean must be created when the application starts and not during the first reference to the bean. This is a nice feature when you want to load application scoped data (e.g. some select items for menus) during application ...

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