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@oderwat
Created February 22, 2014 17:45
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GoLang HTTP PUT / DELETE (just copied from somewhere else!)
package main
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
)
const (
GET = "GET"
POST = "POST"
PUT = "PUT"
DELETE = "DELETE"
)
type Resource interface {
Get(values url.Values) (int, interface{})
Post(values url.Values) (int, interface{})
Put(values url.Values) (int, interface{})
Delete(values url.Values) (int, interface{})
}
type ResourceBase struct{}
func (ResourceBase) Get(values url.Values) (int, interface{}) {
return http.StatusMethodNotAllowed, ""
}
func (ResourceBase) Post(values url.Values) (int, interface{}) {
return http.StatusMethodNotAllowed, ""
}
func (ResourceBase) Put(values url.Values) (int, interface{}) {
return http.StatusMethodNotAllowed, ""
}
func (ResourceBase) Delete(values url.Values) (int, interface{}) {
return http.StatusMethodNotAllowed, ""
}
func requestHandler(resource Resource) http.HandlerFunc {
return func(rw http.ResponseWriter, request *http.Request) {
var data interface{}
var code int
request.ParseForm()
method := request.Method
values := request.Form
switch method {
case GET:
code, data = resource.Get(values)
case POST:
code, data = resource.Post(values)
case PUT:
code, data = resource.Put(values)
case DELETE:
code, data = resource.Delete(values)
default:
rw.WriteHeader(http.StatusMethodNotAllowed)
return
}
content, err := json.Marshal(data)
if err != nil {
rw.WriteHeader(http.StatusInternalServerError)
return
}
rw.WriteHeader(code)
rw.Write(content)
}
}
func AddResource(resource Resource, path string) {
http.HandleFunc(path, requestHandler(resource))
}
func Start(port int) {
portString := fmt.Sprintf(":%d", port)
http.ListenAndServe(portString, nil)
}
// TEST RESOURCE IMPLEMENTATION
type Test struct {
// Default implementation of all Resource methods
ResourceBase
}
// Override the Get method
func (t Test) Get(values url.Values) (int, interface{}) {
return http.StatusOK, "YAY"
}
func main() {
var a Test
AddResource(a, "/")
Start(4000)
}
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