Get / Set Browser localization

Set Browser Locale:
FacesContext ctx = FacesContext.getCurrentInstance();
UIViewRoot uiRoot = ctx.getViewRoot();
Locale locale = new Locale("en");// set browser as english
uiRoot.setLocale(locale);
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Get Browser Locale
FacesContext ctx = FacesContext.getCurrentInstance();
UIViewRoot uiRoot = ctx.getViewRoot();
uiRoot.getLocale();