Incorrect handling of matrix variables in _links [DATAREST-438]

Tim te Beek opened DATAREST-438 and commented

I'm using a matrix variable in my repository URLs to set a value for my multi-tenant system, such that the server connects to the correct database, as per the reference URL. This works fine up to a point, with a minor issue that the matrix variables are stripped off, breaking any of the generated links because the variable is now missing.

A bigger issue arises when the matrix variable is used earlier in the URL, as opposed to at the end. In those cases invalid links are created, with duplicated elements:
A request for: http://myservice.com/;bla/genomes/2
Creates self link: http://myservice.com/genomes/2/genomes/2

As stated in the Spring Mvc documentation, inclusion of matrix variables should be valid anywhere in the path:
http://docs.spring.io/spring/docs/current/spring-framework-reference/html/mvc.html#mvc-ann-matrix-variables

Judging from the above, handling of matrix variables in spring data rest therefore seems inconsistent, and broken when used early on in the path. Is this something you can resolve?

Affects: 2.2.1 (Evans SR1)

Reference URL: http://stackoverflow.com/questions/25083710/combine-dynamic-datasource-routing-with-spring-data-rest