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Spring MVC Beginner's Guide

Spring MVC Beginner's Guide

By : Ganeshan
4.3 (30)
Buy this Book
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Spring MVC Beginner's Guide

Spring MVC Beginner's Guide

4.3 (30)
By: Ganeshan
Buy this Book

Overview of this book

A step-by-step pragmatic approach to web application development using Spring MVC, with relevant screenshots and concise explanations. This book is aimed at helping Java developers who want to teach themselves Spring MVC, even if they have no previous experience with Spring MVC. It would be helpful to have a bit of familiarity with basic servlet programming concepts, but no prior experience is required.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Time for action – heading
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Reader feedback
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Customer support
Free Chapter
1
1. Configuring a Spring Development Environment
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1. Configuring a Spring Development Environment
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Setting up Java
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Time for action – installing JDK
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Time for action – setting up environment variables
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Configuring a build tool
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Time for action – installing the Maven build tool
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Installing a web server
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Time for action – installing the Tomcat web server
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Configuring a development environment
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Time for action – installing Spring Tool Suite
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Time for action – configuring Tomcat on STS
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Time for action – configuring Maven on STS
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Creating our first Spring MVC project
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Time for action – creating a Spring MVC project in STS
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Time for action – adding Spring jars to the project
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Time for action – adding Java version properties in pom.xml
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Time for action – adding a welcome page
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Time for action – configuring the dispatcher servlet
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Time for action – running the project
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Summary
2
2. Spring MVC Architecture – Architecting Your Web Store
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2. Spring MVC Architecture – Architecting Your Web Store
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The dispatcher servlet
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Time for action – examining request mapping
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The web application context
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Time for action – understanding the web application context
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The web application context configuration
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View resolvers
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Time for action – understanding InternalResourceViewResolver
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Model View Controller
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An overview of the Spring MVC request flow
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The web application architecture
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The domain layer
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Time for action – creating a domain object
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The persistence layer
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Time for action – creating a repository object
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The service layer
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Time for action – creating a service object
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An overview of the web application architecture
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Summary
3
3. Control Your Store with Controllers
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3. Control Your Store with Controllers
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Defining a controller
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Time for action – adding class-level request mapping
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The role of a controller in Spring MVC
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Handler mapping
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Using URI template patterns
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Time for action – showing products based on category
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Using matrix variables
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Time for action – showing the products based on filter
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Understanding request parameters
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Time for action – adding the product details page
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Time for action – implementing a master detail view
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Summary
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4. Working with Spring Tag Libraries
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4. Working with Spring Tag Libraries
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Serving and processing forms
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Time for action – serving and processing forms
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Customizing data binding
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Time for action – whitelisting form fields
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Externalizing text messages
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Time for action – externalizing messages
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Using Spring Security tags
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Time for action – adding a login page
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Summary
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5. Working with View Resolver
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5. Working with View Resolver
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Resolving views
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The redirect view
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Time for action – examining RedirectView
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Serving static resources
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Time for action – serving static resources
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Time for action – adding images to the product detail page
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The multipart request in action
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Time for action – adding images to the product page
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Using ContentNegotiatingViewResolver
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Time for action – configuring ContentNegotiatingViewResolver
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Working with the handler exception resolver
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Time for action – adding the response status exception
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Time for action – adding an exception handler
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Summary
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6. Intercept Your Store with Interceptor
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6. Intercept Your Store with Interceptor
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Working with interceptors
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Time for action – configuring an interceptor
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Internationalization (i18n)
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Time for action – adding internationalization
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Audit logging
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Time for action – adding the data audit interceptor
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Conditional redirecting
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Time for action – intercepting offer page requests
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Summary
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7. Validate Your Products with a Validator
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7. Validate Your Products with a Validator
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Bean validation
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Time for action – adding bean validation support
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Custom validation with JSR-303 / bean validation
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Time for action – adding custom validation support
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Spring validation
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Time for action – adding Spring validation
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Time for action – combining Spring and bean validations
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Summary
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8. Give REST to Your Application with Ajax
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8. Give REST to Your Application with Ajax
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Introducing REST
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Time for action – implementing RESTful web services
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Time for action – consuming REST web services
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Handling a web service in Ajax
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Time for action – consuming REST web services via Ajax
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Summary
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9. Apache Tiles and Spring Web Flow in Action
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9. Apache Tiles and Spring Web Flow in Action
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Working with Spring Web Flow
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Time for action – implementing the order-processing service
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Time for action – implementing the checkout flow
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Time for action – creating views for every view state
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Enhancing reusability through Apache Tiles
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Time for action – creating views for every view state
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Summary
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10. Testing Your Application
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10. Testing Your Application
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Unit testing
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Time for action – unit-testing domain objects
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Integration testing with the Spring Test Context framework
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Time for action – testing the product validator
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Time for action – testing the product controller
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Time for action – testing REST controllers
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Summary
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A. Using the Gradle Build Tool
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A. Using the Gradle Build Tool
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Installing Gradle
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The Gradle build script for your project
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Understanding the Gradle script
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B. Pop Quiz Answers
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Chapter 2, Spring MVC Architecture – Architecting Your Web Store
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Chapter 3, Control Your Store with Controllers
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Chapter 5, Working with View Resolver
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Chapter 6, Intercept Your Store with Interceptor
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Chapter 9, Apache Tiles and Spring Web Flow in Action
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Index
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Index

Time for action – whitelisting form fields

In the previous exercise, while adding a new product, we bound every field of the Product domain in the form. However, it is meaningless to specify the unitsInOrder and discontinued values during the addition of a new product because nobody can make an order before adding the product to the store, and similarly, the discontinued products need not be added in our product list. So, we should not allow these fields to be bound to the form bean while adding a new product to our store. However, all the other fields of the Product domain object need to be bound. Let's see how to do this with the following steps:

  1. We open our ProductController class and add a method as follows:

    @InitBinder
public void initialiseBinder(WebDataBinder binder) {
   binder.setDisallowedFields("unitsInOrder", "discontinued");
}

  2. We then add an extra parameter of the type BindingResult (org.springframework.validation.BindingResult) to the processAddNewProductForm method as follows...

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