+ @GetMapping("/policies")
+ public ResponseEntity<String> getPolicies( //
+ @RequestParam(name = "type", required = false) String type, //
+ @RequestParam(name = "ric", required = false) String ric, //
+ @RequestParam(name = "service", required = false) String service) //
+ {
+ Collection<Policy> result = null;
+
+ if (type != null) {
+ result = policies.getForType(type);
+ result = filter(result, null, ric, service);
+ } else if (service != null) {
+ result = policies.getForService(service);
+ result = filter(result, type, ric, null);
+ } else if (ric != null) {
+ result = policies.getForRic(ric);
+ result = filter(result, type, null, service);
+ } else {
+ result = policies.getAll();
+ }
+
+ return new ResponseEntity<String>(toJson(result), HttpStatus.OK);
+ }
+
+ private boolean include(String filter, String value) {
+ return filter == null || value.equals(filter);