Further consolidate the libraries

api/resolver/grpc/grpc.go

@@ -0,0 +1,38 @@
+// Package grpc resolves a grpc service like /greeter.Say/Hello to greeter service
+package grpc
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+type Resolver struct{}
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	// /foo.Bar/Service
+	if req.URL.Path == "/" {
+		return nil, errors.New("unknown name")
+	}
+	// [foo.Bar, Service]
+	parts := strings.Split(req.URL.Path[1:], "/")
+	// [foo, Bar]
+	name := strings.Split(parts[0], ".")
+	// foo
+	return &resolver.Endpoint{
+		Name:   strings.Join(name[:len(name)-1], "."),
+		Host:   req.Host,
+		Method: req.Method,
+		Path:   req.URL.Path,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "grpc"
+}
+
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{}
+}