JSF

Handpicked high quality answers to everything you need to know about JavaServer Faces (JSF). ZEEF itself is also developed in JSF.

by Bauke Scholtz

Bauke Scholtz is also known as “BalusC” in many online communities, such as Stack Overflow.

JSF phases/lifecycle cheatsheet

  • fc = FacesContext
  • vh = ViewHandler
  • in = UIInput
  • rq = HttpServletRequest
  • id = in.getClientId(fc);
1 RESTORE_VIEW
String viewId = rq.getServletPath();
fc.setViewRoot(vh.createView(fc, viewId));
2 APPLY_REQUEST_VALUES
in.setSubmittedValue(rq.getParameter(id));
3 PROCESS_VALIDATIONS
Object value = in.getSubmittedValue();
try {
   value = in.getConvertedValue(fc, value);
   for (Validator v : in.getValidators())
      v.validate(fc, in, value);
   }
   in.setSubmittedValue(null);
   in.setValue(value);
} catch (ConverterException
   | ValidatorException e) {
   fc.addMessage(id, e.getFacesMessage());
   fc.validationFailed(); // Skips phases 4+5.
   in.setValid(false);
}
4 UPDATE_MODEL_VALUES
bean.setProperty(in.getValue());
5 INVOKE_APPLICATION
bean.submit();
6 RENDER_RESPONSE
vh.renderView(fc, fc.getViewRoot());
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