How to Display Error/Warning/Information Messages

This blog explains about printing error/waring/information messages from backing bean & application module impl class

Step1: Displaying error message from backing bean

       


import javax.faces.context.FacesContext;

import javax.faces.application.FacesMessage


FacesContext facesContext = FacesContext.getCurrentInstance();

FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Error while Saving","Error while saving")

facesContext.addMessage(null,msg);

 

Step2: Displaying Information message from backing bean

       

FacesContext facesContext = FacesContext.getCurrentInstance();

FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Saved Successfully",

                                    "Saved Successfully")

facesContext.addMessage(null,msg);

 

Step3: Displaying Warning message from backing bean

       

FacesContext facesContext = FacesContext.getCurrentInstance();

FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_WARN, "Saved Successfully",

                                    "Saved Successfully")

facesContext.addMessage(null,msg);


Step4: Displaying Error Messages from Application Module


throw new JboException("Error");


Step5: Displaying Warning message from Application Module


getDBTransaction().addWarning(new JboWarning("Warning"));