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Lesson 4: Working With Data (Spring Data REST)

Introduction

This example shows how you can expose a Spring Data Repoistory over REST.

Building and running the sample

Use the following commands to build run the application:

$ mvn clean package
$ java -jar target/livelessons-data-rest-1.0.0-SNAPSHOT.jar

Note that integration tests for the REST functionality will be executed as part of the Maven build process. See the DataRestApplicationTest class.

Understanding the code

This is exactly the same code as the JPA example, except we have an additional spring-boot-starter-data-rest dependency. The CarRepository also includes a couple of new annotations. The @RestResource(path="find") provides a nicer name for the search URL and @Param("make") is used to indicate the name of the query parameter.

Once running you can open a browser to http://localhost:8080/cars to navigate the elements. To perform a search you can use URLs in the form http://localhost:8080/cars/search/find?make=honda.