title: Is there an library to generate CRUD pages for Java EE Entities?
body: <p>I'm currently looking at writing a Java EE app that has about 20 entities, with relations, that will require a whole set of boiler plate CRUD servlets (well, Spring MVC controllers) and JSP pages. These will be time consuming to write and maintain. </p>
  
  <p>I'm tempted to learn ASM and roll my own, is there any good ways to generate avoid this work? I'd love to be able to define my entities, their relationships and constraints, and have a program do the work generating the rest.</p>