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routes.go
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routes.go
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package knockttp
import (
"encoding/json"
"io"
"net/http"
"os"
)
type Route struct {
Path string `json:"query,omitempty"`
Methods MethodHandlers `json:"methods,omitempty"`
}
func (r *Route) GetHandler(Method string) (*Handler, bool) {
return r.Methods.GetHandler(Method)
}
type Routes []*Route
func NewRoutesFromFile(Filename string) (*Routes, error) {
f, err := os.Open(Filename)
if err != nil {
return nil, err
}
defer f.Close()
return NewRoutesFromReader(f)
}
func NewRoutesFromReader(r io.Reader) (*Routes, error) {
var routes Routes
dec := json.NewDecoder(r)
if err := dec.Decode(&routes); err != nil {
return nil, err
}
return &routes, nil
}
func (q *Routes) Find(r *http.Request) (*Route, bool) {
for _, route := range *q {
if route.Path == r.URL.Path {
return route, true
}
}
return nil, false
}
func (r *Routes) GetHandler(req *http.Request) (*Route, *Handler, bool) {
if route, ok := r.Find(req); ok {
if handler, ok := route.GetHandler(req.Method); ok {
return route, handler, true
}
}
return nil, nil, false
}