1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/github.com/emicklei/go-restful/jsr311.go b/vendor/github.com/emicklei/go-restful/jsr311.go
index 9e8122416..4360b492e 100644
--- a/vendor/github.com/emicklei/go-restful/jsr311.go
+++ b/vendor/github.com/emicklei/go-restful/jsr311.go
@@ -39,6 +39,31 @@ func (r RouterJSR311) SelectRoute(
 	return dispatcher, route, ok
 }
 
+// ExtractParameters is used to obtain the path parameters from the route using the same matching
+// engine as the JSR 311 router.
+func (r RouterJSR311) ExtractParameters(route *Route, webService *WebService, urlPath string) map[string]string {
+	webServiceExpr := webService.pathExpr
+	webServiceMatches := webServiceExpr.Matcher.FindStringSubmatch(urlPath)
+	pathParameters := r.extractParams(webServiceExpr, webServiceMatches)
+	routeExpr := route.pathExpr
+	routeMatches := routeExpr.Matcher.FindStringSubmatch(webServiceMatches[len(webServiceMatches)-1])
+	routeParams := r.extractParams(routeExpr, routeMatches)
+	for key, value := range routeParams {
+		pathParameters[key] = value
+	}
+	return pathParameters
+}
+
+func (RouterJSR311) extractParams(pathExpr *pathExpression, matches []string) map[string]string {
+	params := map[string]string{}
+	for i := 1; i < len(matches); i++ {
+		if len(pathExpr.VarNames) >= i {
+			params[pathExpr.VarNames[i-1]] = matches[i]
+		}
+	}
+	return params
+}
+
 // http://jsr311.java.net/nonav/releases/1.1/spec/spec3.html#x3-360003.7.2
 func (r RouterJSR311) detectRoute(routes []Route, httpRequest *http.Request) (*Route, error) {
 	ifOk := []Route{}