Matt Raible's Spring Live PDF

By Matt Raible

ISBN-10: 0974884375

ISBN-13: 9780974884370

The Spring Primer is the main whole ebook at the Spring Framework. it's for clients who're acquainted with Java improvement yet have by no means used Spring. As you learn this identify, you'll find out how Spring reduces the quantity of code you want to write and why it gets a lot realization and admire from the Java group. This e-book is especially code-intensive and includes many examples for constructing purposes with Spring. you are going to use Test-Driven improvement to speedily boost and try an easy CRUD program. all the code during this publication is obtainable on SourceBeat's site. furthermore, an open-source venture referred to as Equinox is accessible as a part of this e-book to aid clients start fast and simply with Spring.

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NOTE In a real-world application, these methods should not be in a parent class, but rather in each subclass. Making them abstract in BaseObject can help to enforce this rule. Commonclipse is an Eclipse plugin that can generate these methods for you. After creating the User object, open the UserDAO anda UserDAOTest classes and organize imports with your IDE. Spring Live 25 Configure Hibernate and Spring Configure Hibernate and Spring Now that you have the Plain Old Java Object (POJO), create a mapping file so Hibernate can persist it.

User"/> You’re using this instead of a concrete ActionForm because you only need a thin wrapper around the User object. Ideally, you could use the User object, but you’d lose the ability to validate properties and reset checkboxes in a Struts environment. Later, I’ll show you how Spring makes this easier and allows you to use the User object in your web tier. 5. jsp"/> 6. Modify your UserActionTest to test the different CRUD methods in your Action, as shown below: public class UserActionTest extends MockStrutsTestCase { public UserActionTest(String testName) { super(testName); } // Adding a new user is required between tests because HSQL creates // an in-memory database that goes away during tests.

If this wasn’t your only test, you could use ant test Dtestcase=UserDAO to isolate which tests are run. 6: Results of the ant test -Dtestcase=UserDAO command Spring Live 33 Create Manager and Declare Transactions Create Manager and Declare Transactions A recommended practice in J2EE development is to keep your layers separated. That is to say, the data layer (DAOs) shouldn’t be bound to the web layer (servlets). Using Spring, it’s easy to separate them, but it’s useful to further separate these tiers with a business service class.

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Spring Live by Matt Raible


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