Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.movies.jsf.converter; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.convert.Converter; import javax.faces.convert.FacesConverter; import org.apache.commons.lang3.StringUtils; /** * * @author Yener */ @FacesConverter("upperCaseConverter") public class UpperCaseConverter implements Converter { @Override public String getAsString(FacesContext context, UIComponent component, Object value) { return value == null ? null : value.toString().toUpperCase(); } @Override public Object getAsObject(FacesContext context, UIComponent component, String value) { return StringUtils.isBlank(value) ? null : value.toUpperCase(); } }