-
Notifications
You must be signed in to change notification settings - Fork 113
/
router.go
67 lines (53 loc) · 1.59 KB
/
router.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
package types
import (
"fmt"
"github.com/axelarnetwork/axelar-core/x/tss/exported"
)
// Router implements a tss Handler router.
type Router interface {
AddRoute(module string, handler exported.Handler) Router
HasRoute(module string) bool
GetRoute(module string) exported.Handler
Seal()
}
var _ Router = (*router)(nil)
type router struct {
routes map[string]exported.Handler
sealed bool
}
// NewRouter creates a new Router interface instance
func NewRouter() Router {
return &router{
routes: make(map[string]exported.Handler),
}
}
// Seal prevents additional route handlers from being added to the router.
func (r *router) Seal() {
r.sealed = true
}
// AddRoute registers a tss handler for a given path and returns the handler.
// Panics if the router is sealed, module is an empty string, or if the module has been registered already.
func (r *router) AddRoute(module string, handler exported.Handler) Router {
if r.sealed {
panic("cannot add handler (router sealed)")
}
if module == "" {
panic("module name cannot be an empty string")
}
if r.HasRoute(module) {
panic(fmt.Sprintf("handler for module %s has already been registered", module))
}
r.routes[module] = handler
return r
}
// HasRoute returns true if the router has an handler registered for the given module
func (r *router) HasRoute(module string) bool {
return r.routes[module] != nil
}
// GetRoute returns a Handler for a given module.
func (r *router) GetRoute(module string) exported.Handler {
if !r.HasRoute(module) {
panic(fmt.Sprintf("handler for module \"%s\" not registered", module))
}
return r.routes[module]
}