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Spring 5.0 Cookbook

You're reading from   Spring 5.0 Cookbook Recipes to build, test, and run Spring applications efficiently

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787128316
Length 670 pages
Edition 1st Edition
Languages
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Author (1):
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Sherwin John C. Tragura Sherwin John C. Tragura
Author Profile Icon Sherwin John C. Tragura
Sherwin John C. Tragura
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Table of Contents (20) Chapters Close

Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Getting Started with Spring FREE CHAPTER 2. Learning Dependency Injection (DI) 3. Implementing MVC Design Patterns 4. Securing Spring MVC Applications 5. Cross-Cutting the MVC 6. Functional Programming 7. Reactive Programming 8. Reactive Web Applications 9. Spring Boot 2.0 10. The Microservices 11. Batch and Message-Driven Processes 12. Other Spring 5 Features 13. Testing Spring 5 Components

Generating multiple ApplicationContexts


The root ApplicationContext is only used for Spring-specific dependency injection such as creating and loading interceptors, message handling resources, and view resolvers. It is not recommended to contain middle-tier models, services, data sources, and web services configuration because it might affect the runtime performance of the DispatcherServlet registration and loading. This recipe will provide a solution on how to organize beans per layer or module to avoid a convoluted bean injection setup.

Getting started

This recipe needs both the ch02-web-xml and ch02-web-jc projects to illustrate how to provide additional definition files so that the first root context will not get bloated with non-Spring beans.

How to do it...

Adding more ApplicationContext definition files might require some changes to be made on the servlet and Spring containers. Follow the given steps:

  1. In the ch02-web-xml project, it is recommended to create another XML definition file...
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