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Spring MVC Beginner's Guide - Second Edition

By : Ganeshan

4 (16)

Spring MVC Beginner's Guide

4 (16)

By: Ganeshan

Overview of this book

Spring MVC helps you build flexible and loosely coupled web applications. The Spring MVC Framework is architected and designed in such a way that every piece of logic and functionality is highly configurable. Also, Spring can integrate effortlessly with other popular web frameworks such as Struts, WebWork, Java Server Faces, and Tapestry. The book progressively teaches you to configure the Spring development environment, architecture, controllers, libraries, and more before moving on to developing a full web application. It begins with an introduction to the Spring development environment and architecture so you're familiar with the know-hows. From here, we move on to controllers, views, validations, Spring Tag libraries, and more. Finally, we integrate it all together to develop a web application. You'll also get to grips with testing applications for reliability.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Configuring a Spring Development Environment

1. Configuring a Spring Development Environment

Setting up Java

Configuring a build tool

Installing a web server

Configuring a development environment

Creating our first Spring MVC project

Spring MVC dependencies

A jump-start to MVC

The Dispatcher servlet

Deploying our project

Summary

2. Spring MVC Architecture – Architecting Your Web Store

2. Spring MVC Architecture – Architecting Your Web Store

Dispatcher servlet

Understanding the Dispatcher servlet configuration

Servlet mapping versus request mapping

Web application context

View resolvers

Understanding the web application context configuration

Model View Controller

Overview of the Spring MVC request flow

The web application architecture

The Domain layer

The Persistence layer

The Service layer

An overview of the web application architecture

Summary

3. Control Your Store with Controllers

3. Control Your Store with Controllers

The role of a Controller in Spring MVC

Defining a Controller

Default request mapping method

Handler mapping

Using URI template patterns

Using matrix variables

Understanding request parameters

Summary

4. Working with Spring Tag Libraries

4. Working with Spring Tag Libraries

The JavaServer Pages Standard Tag Library

Serving and processing forms

Customizing data binding

Externalizing text messages

Summary

5. Working with View Resolver

5. Working with View Resolver

Resolving Views

RedirectView

Flash attribute

Serving static resources

Multipart requests in action

Using ContentNegotiatingViewResolver

Working with HandlerExceptionResolver

Summary

6. Internalize Your Store with Interceptor

6. Internalize Your Store with Interceptor

Working with interceptors

LocaleChangeInterceptor - internationalization

Mapped interceptors

Summary

7. Incorporating Spring Security

7. Incorporating Spring Security

Using Spring Security

Summary

8. Validate Your Products with a Validator

8. Validate Your Products with a Validator

Bean Validation

Custom validation with JSR-303/Bean Validation

Spring validation

Summary

9. Give REST to Your Application with Ajax

9. Give REST to Your Application with Ajax

Introduction to REST

Handling web services in Ajax

What just happened?

Summary

10. Float Your Application with Web Flow

10. Float Your Application with Web Flow

Working with Spring Web Flow

Understanding flow definitions

Understanding checkout flow

Summary

11. Template with Tiles

11. Template with Tiles

Enhancing reusability through Apache Tiles

Summary

12. Testing Your Application

12. Testing Your Application

Unit testing

Integration testing with the Spring Test context framework

Summary

Thank you readers!

Appendix A. Using the Gradle Build Tool

Appendix A. Using the Gradle Build Tool

Installing Gradle

The Gradle build script for your project

Understanding the Gradle script

Appendix B. Pop Quiz Answers

Appendix B. Pop Quiz Answers

Chapter 2, Spring MVC Architecture - Architecting Your Web Store

Chapter 3, Control Your Store with Controllers

Chapter 4, Working with Spring Tag Libraries

Chapter 5, Working with View Resolver

Chapter 6, Internalize Your Store with Interceptor

Chapter 7, Incorporating Spring Security

Chapter 10, Float Your Application with Web Flow

Chapter 11, Template with Tiles

Default request mapping method

Every Controller class can have one default request mapping method. What is the default request mapping method? If we simply don't specify any request path value in the @RequestMapping annotation of a Controller's method, that method is designated as the default request mapping method for that class. So whenever a request URL just ends up with the Controller's class level request path value without any further relative path down the line, then Spring MVC will invoke this method as a response to that request.

Tip

If you specify more than one default mapping method inside a Controller, you will get IllegalStateException with the message Ambiguous mapping found. So a Controller can have only one default request mapping method at most.

Why not change the welcome method to the default request mapping method for our HomeController class?

In the HomeController class, add the following annotation on top of the class:
```
      ...
```

CONTINUE READING

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