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Getting Started with Roo
book

Getting Started with Roo

by Josh Long, Steve Mayzak
August 2011
Beginner content levelBeginner
64 pages
1h 43m
English
O'Reilly Media, Inc.
Content preview from Getting Started with Roo

Scaffolding

One of the best parts about Spring Roo—a framework that knows so very much about your domain model—is that it can use that knowledge to inform how it creates the web tier. The most natural extension of this idea is of scaffolding. Scaffolding, as it’s famously called in Ruby on Rails and Groovy and Grails, describes the generation of views designed to manipulate the entities created.

Scaffolding is useful for a number of reasons. First, scaffolding views cuts the development time in half, getting you to a point where you can start prototyping a system and entering data. Sure, no automated tool’s going to generate the perfect web application for you, but nobody said it would. Instead, it’ll generate a web application, built to the highest standards in Spring web development, that you can then iteratively push to the finish line, changing the code as you go.

In running the controller scaffold command, we told Spring Roo to generate code to support the creation, update, and deletion of the Customer entity that we generated. It happily obliged, filling in all the gaps required to get our plain old Java project converted into a web application, and generating the required Spring MVC controller and supporting web views. The controller is presented below in its entirety:

package com.crmco.crm.web; import com.crmco.crm.domain.Customer; import org.springframework.roo.addon.web.mvc.controller.RooWebScaffold; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; ...
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Publisher Resources

ISBN: 9781449311247Supplemental ContentErrata Page