Read e-book online Grails 2: A Quick-Start Guide PDF


By Dave Klein, Ben Klein

ISBN-10: 1937785777

ISBN-13: 9781937785772

Grails is a full-stack net improvement framework that allows you to construct whole internet functions in a fragment of the time and with much less code than different frameworks. Grails makes use of the main of conference over configuration and the dynamic Groovy programming language.

This revised and up-to-date new version indicates you ways to take advantage of Grails through iteratively development a distinct, operating software. by the point you are performed, you will have equipped and deployed a true, functioning web site. utilizing this hands-on, pragmatic procedure, you are going to discover issues comparable to Ajax in Grails, customized tags, and plugins. you are going to dig into Grails' robust view expertise, Groovy Server Pages, and spot how one can simply leverage the assistance provided through scaffolding to create customized consumer interfaces speedier than you are going to have concept attainable. alongside the way in which, you will find out about area periods, controllers, and GSP perspectives. and you may see how Grails helps you to use strong frameworks comparable to Spring and Hibernate.

With Grails, you may get much performed with little attempt. With this e-book, you will get much performed besides. start with Grails today.

What You Need:

Grails 2 will run on any computer that helps Java. Grails functions might be deployed on any Java Servlet box, together with Tomcat, Jetty, WebLogic, JBoss, and Websphere.

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Extra resources for Grails 2: A Quick-Start Guide

Sample text

We are currently adding only one test, so we will just replace "test something"() with a "test toString"() method. toString() == 'Groovy One, San Francisco' } } Our test code is simple enough. toString() is equal to the expected value. Grails provides a script called test-app that will, by default, run all of our application’s unit and integration tests. We can use the unit: flag to tell it to run only unit tests. This is helpful since we want to run our tests frequently and unit tests are much faster than integration tests.

The result will be either Tests PASSED or Tests FAILED. Tests FAILED means that the tests ran with one or more assertion failures. In the event of a test failure, you will find very helpful information in the HTML reports that Grails produces. The final line of output from test-app gives the location of these reports. As we create more artifacts throughout the course of the project, be sure to add valid tests for them. Otherwise when we run test-app, our test suite will fail, and kittens will die.

TekEvent is the name of the class that we will use to represent an event (or conference or code camp or tech fest). If we were to sit down and put our heads together to come up 1. The designers of Grails followed the principle of least surprise; most names in Grails are common sense and therefore easy to remember. info report erratum • discuss Chapter 3. Laying the Foundation • 22 with a design for the TekEvent class, we’d probably end up with something similar to what we see in the following figure.

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Grails 2: A Quick-Start Guide by Dave Klein, Ben Klein

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