• declare an url rule for a single input step form
• define a common button template file for all the form pages
• render option data for select, radio and checkbo by snippet
• request handler
  • form initialization
  • update form data to database
  • output update result message to default global message bar
• validation
  • annotate form field on form POJO
    • extend from the entity POJO
    • customize field name by nameLable of form field annotation
  • annotate bean validation on entity POJO
  • use default validation message generation mechanism
  • output validation messages to default global message bar