MatrixResource3.java

@RestController
public class MatrixResource {
  @RequestMapping(value="/{status}/ping", method=RequestMethod.GET)
  public String pong(
      @PathVariable("status") String status,
      @MatrixVariable(name="name", pathVar="status", required=false) String name) {
    return String.format("matrix variable name=%s", name);
  }
}