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Developing Java Applications with Spring and Spring Boot

You're reading from   Developing Java Applications with Spring and Spring Boot Practical Spring and Spring Boot solutions for building effective applications

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Product type Course
Published in Oct 2018
Publisher Packt
ISBN-13 9781789534757
Length 982 pages
Edition 1st Edition
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Authors (2):
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Claudio Eduardo de Oliveira Claudio Eduardo de Oliveira
Author Profile Icon Claudio Eduardo de Oliveira
Claudio Eduardo de Oliveira
Alex Antonov Alex Antonov
Author Profile Icon Alex Antonov
Alex Antonov
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Toc

Table of Contents (34) Chapters Close

Title Page - Courses
Copyright and Credits - Courses
Packt Upsell - Courses
Preface
1. Journey to the Spring World FREE CHAPTER 2. Starting in the Spring World – the CMS Application 3. Persistence with Spring Data and Reactive Fashion 4. Kotlin Basics and Spring Data Redis 5. Reactive Web Clients 6. Playing with Server-Sent Events 7. Airline Ticket System 8. Circuit Breakers and Security 9. Putting It All Together 10. Quick Start with Java 11. Reactive Web with Spring Boot 12. Reactive Data Access with Spring Boot 13. Testing with Spring Boot 14. Developer Tools for Spring Boot Apps 15. AMQP Messaging with Spring Boot 16. Microservices with Spring Boot 17. WebSockets with Spring Boot 18. Securing Your App with Spring Boot 19. Taking Your App to Production with Spring Boot 20. Getting Started with Spring Boot 21. Configuring Web Applications 22. Web Framework Behavior Tuning 23. Writing Custom Spring Boot Starters 24. Application Testing 25. Application Packaging and Deployment 26. Health Monitoring and Data Visualization 27. Spring Boot DevTools 28. Spring Cloud 1. Bibliography
Index

Enabling Twitter in our application


In this section, we will enable the use of Twitter APIs on our Twitter Gathering application. This application should get Tweets based on the query specified by the user. This query was registered on the previous microservice that we created in the previous chapter.

When the user calls the API to register TrackedHashTag, the microservice will store the TrackedHashTag on the Redis database and send the message through the RabbitMQ. Then, this project will start to gather Tweets based on that. This is the data flow. In the next chapter, we will do a reactive stream and dispatch Tweets through our Reactive API. It will be amazing.

However, for now, we need to configure the Twitter credentials; we will do that using Spring beans – let's implement it.

 

Producing Twitter credentials

We will use the @Configuration class to provide our Twitter configuration objects. The @Configuration class is really good to provide infrastructure beans, if we do not have starter...

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