Vendor main dependencies.

vendor/gopkg.in/ns1/ns1-go.v2/rest/util.go

@@ -0,0 +1,42 @@
+package rest
+
+import (
+	"log"
+	"net/http"
+)
+
+// DoerFunc satisfies Interface. DoerFuncs are useful for adding
+// logging/instrumentation to the http.Client that is used
+// within the rest.APIClient.
+type DoerFunc func(*http.Request) (*http.Response, error)
+
+// Do is implementation of rest.Doer interface. Calls itself on the
+// given http.Request.
+func (f DoerFunc) Do(r *http.Request) (*http.Response, error) {
+	return f(r)
+}
+
+// A Decorator wraps a Doer with extra behavior, and doesnt
+// affect the behavior of other instances of the same type.
+type Decorator func(Doer) Doer
+
+// Decorate decorates a Doer c with all the given Decorators, in order.
+// Core object(Doer instance) that we want to apply layers(Decorator slice) to.
+func Decorate(d Doer, ds ...Decorator) Doer {
+	decorated := d
+	for _, decorate := range ds {
+		decorated = decorate(decorated)
+	}
+	return decorated
+}
+
+// Logging returns a Decorator that logs a Doer's requests.
+// Dependency injection for the logger instance(inside the closures environment).
+func Logging(l *log.Logger) Decorator {
+	return func(d Doer) Doer {
+		return DoerFunc(func(r *http.Request) (*http.Response, error) {
+			l.Printf("%s: %s %s", r.UserAgent(), r.Method, r.URL)
+			return d.Do(r)
+		})
+	}
+}