cosmos-sdk/baseapp/router.go

44 lines
985 B
Go

package baseapp
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
)
type router struct {
routes map[string]sdk.Handler
}
var _ sdk.Router = NewRouter()
// NewRouter returns a reference to a new router.
//
// TODO: Either make the function private or make return type (router) public.
func NewRouter() *router { // nolint: golint
return &router{
routes: make(map[string]sdk.Handler),
}
}
// AddRoute adds a route path to the router with a given handler. The route must
// be alphanumeric.
func (rtr *router) AddRoute(path string, h sdk.Handler) sdk.Router {
if !isAlphaNumeric(path) {
panic("route expressions can only contain alphanumeric characters")
}
if rtr.routes[path] != nil {
panic(fmt.Sprintf("route %s has already been initialized", path))
}
rtr.routes[path] = h
return rtr
}
// Route returns a handler for a given route path.
//
// TODO: Handle expressive matches.
func (rtr *router) Route(path string) sdk.Handler {
return rtr.routes[path]
}