## Relevant articles:

- [Guide to UriComponentsBuilder in Spring](http://www.baeldung.com/spring-uricomponentsbuilder)
- [Returning Custom Status Codes from Spring Controllers](http://www.baeldung.com/spring-mvc-controller-custom-http-status-code)
- [The Guide to RestTemplate](http://www.baeldung.com/rest-template)
- [Spring RequestMapping](http://www.baeldung.com/spring-requestmapping)
- [ETags for REST with Spring](http://www.baeldung.com/etags-for-rest-with-spring)
- [Spring and Apache FileUpload](http://www.baeldung.com/spring-apache-file-upload)
