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Hands-On Design Patterns with Kotlin

You're reading from   Hands-On Design Patterns with Kotlin Build scalable applications using traditional, reactive, and concurrent design patterns in Kotlin

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788998017
Length 310 pages
Edition 1st Edition
Languages
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Author (1):
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Alexey Soshin Alexey Soshin
Author Profile Icon Alexey Soshin
Alexey Soshin
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Table of Contents (13) Chapters Close

Preface 1. Getting Started with Kotlin FREE CHAPTER 2. Working with Creational Patterns 3. Understanding Structural Patterns 4. Getting Familiar with Behavioral Patterns 5. Functional Programming 6. Streaming Your Data 7. Staying Reactive 8. Threads and Coroutines 9. Designed for Concurrency 10. Idioms and Anti-Patterns 11. Reactive Microservices with Kotlin 12. Other Books You May Enjoy

Handling requests

Our next task is adding the first cat to our virtual shelter.

It should be a POST request, where the body of the request may look something like this: {"name": "Binky", "age": 4}.

If you are familiar with tools such as curl or Postman to issue POST requests, that's great. If not, we'll write a test in the next section that will check exactly that scenario.

The first thing we'll need to do is add the following line after we initialize our router:

router.route().handler(BodyHandler.create())

This will tell Vert.x to parse the request body into JSON for any request. Another way would be to use router.route("/*").

Now, let's figure out what our URL should look like. It is good practice to have our API URLs versioned, so we would like it to be as follows:

api/v1/cats

So, we can assume the following:

  • GET...
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