Introduced ResourcesRoute.requestRelativePath(request) utility method

restx-core/src/main/java/restx/ResourcesRoute.java

@@ -108,7 +108,7 @@ public ResourcesRoute(String name, String baseRestPath, String baseResourcePath,
 
     @Override
     public void handle(RestxRequestMatch match, RestxRequest req, RestxResponse resp, RestxContext ctx) throws IOException {
-        String relativePath = req.getRestxPath().substring(baseRestPath.length());
+        String relativePath = this.requestRelativePath(req);
         relativePath = Optional.fromNullable(aliases.get(relativePath)).or(relativePath);
         try {
             URL resource = MoreResources.getResource(
@@ -130,6 +130,10 @@ public void handle(RestxRequestMatch match, RestxRequest req, RestxResponse resp
         }
     }
 
+    protected String requestRelativePath(RestxRequest req) {
+        return req.getRestxPath().substring(baseRestPath.length());
+    }
+
     protected Optional<CachedResourcePolicy> cachePolicyMatching(String contentType, String path) {
         for(CachedResourcePolicy cachedResourcePolicy : cachedResourcePolicies){
             if(cachedResourcePolicy.matches(contentType, path)){