MessagesController.java

package org.primefaces.examples.view;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;

public class MessagesController {

	public void addInfo(ActionEvent actionEvent) {
		FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO,"Sample info message", "PrimeFaces rocks!"));
	}
	
	public void addWarn(ActionEvent actionEvent) {
		FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_WARN,"Sample warn message", "Watch out for PrimeFaces!"));
	}
	
	public void addError(ActionEvent actionEvent) {
		FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR,"Sample error message", "PrimeFaces makes no mistakes"));
	}
	
	public void addFatal(ActionEvent actionEvent) {
		FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_FATAL,"Sample fatal message", "Fatal Error in System"));
	}
}