Spring and Maven Configuration

This is the first post of a series of posts demonstrating how we to use Spring in an application.
In the series I will show some howtos of technical aspects (context file, properties, etc.).
And I will also show some design aspects and test approach.

In this post I will simply show how to integrate Spring using Maven.

The basic dependency would be the context. Using Maven dependencies, spring-core will be in the project as well.

<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-context</artifactId>
  <version>${spring.version}</version>
</dependency>

If we want to use annotation such as @Inject which comes from Java JSR, we’ll add the following dependency:

<dependency>
  <groupId>javax.inject</groupId>
  <artifactId>javax.inject</artifactId>
  <version>1</version>
</dependency>

And in order to be able to test using Spring, here’s what we’ll need (in here, the scope is test):

<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-test</artifactId>
  <version>${spring.version}</version>
  <scope>test</scope>
</dependency>

You can see that I didn’t add spring-core as it comes with the context / test dependencies.

You can find the code at: https://github.com/eyalgo/request-validation

Some notes about the code.

I added the Spring code, context and the Spring’s Maven dependencies to the test environment.
This is on purpose.
I want to emphasize the separation of the validation-filter framework to the usage and wiring of an application.

In real life, you might have an external library that you’ll want to use it in a Spring injected application.
So the test environment in the code simulates the application and the src is the “external library”.

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