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vineri, 13 martie 2015

[OmniFaces utilities (2.0)] Get the ViewDeclarationLanguage associated with the "current" view ID


[OmniFaces utilities] The getViewDeclarationLanguage() method returns the ViewDeclarationLanguage associated with the "current" view ID.

Method:
Usage:

Starting with JSF 2.2, we can use an explicit API for instantiating composite components programmatically. The core of this API is based on the new createComponent() method added in the ViewDeclarationLanguage class. For getting the ViewDeclarationLanguage , you can write in JSF:

FacesContext context = FacesContext.getCurrentInstance();
ViewDeclarationLanguage vdl = context.getApplication().getViewHandler().getViewDeclarationLanguage(context, context.getViewRoot().getViewId());

But, you can compact this via Faces#getViewDeclarationLanguage() as:

import org.omnifaces.util.Faces;
...
ViewDeclarationLanguage vdl = Faces.getViewDeclarationLanguage();

or,

import static org.omnifaces.util.Faces.getViewDeclarationLanguage;
...
ViewDeclarationLanguage vdl = getViewDeclarationLanguage();

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