Rest service call from Angular App | How to Integrate Angular with Spring Boot via REST API


Hello there,

In this post, we are going to integrate Angular 2+ (Angular 7) application with a Spring Boot application via a REST API.

Nowadays it is a good practice to decouple your front-end and backend applications by using Rest API. So let's have an example for that.

TL;DR

Here you may find the codes :

https://github.com/NurettinYAKIT/nurettinyakit.com/tree/master/fe-stock-angular

First things first! 

Create an HTTP Service to centralize communication. 
code:

Mapping the JSON to your Custom Class 

Now create a model for the JSON object
code:

Check if the object is ready for the front-end (HTML)

For this example, you can check if the object is null or not.
code: 


That's it! You've successfully integrated your spring boot application with your angular application. 

For the I've just created a spring boot application with a rest controller to provide a list of Stock object. Here is the Stock object
code:


You may find the whole back-end Spring Boot application with REST-API here :
https://github.com/NurettinYAKIT/nurettinyakit.com/tree/master/be-stock-springboot




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