forked from golang/hotime
59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
|
package server
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/xml"
|
||
|
|
"net/http"
|
||
|
|
)
|
||
|
|
|
||
|
|
var xmlContentType = []string{"application/xml; charset=utf-8"}
|
||
|
|
var plainContentType = []string{"text/plain; charset=utf-8"}
|
||
|
|
|
||
|
|
func writeContextType(w http.ResponseWriter, value []string) {
|
||
|
|
header := w.Header()
|
||
|
|
if val := header["Content-Type"]; len(val) == 0 {
|
||
|
|
header["Content-Type"] = value
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Render render from bytes
|
||
|
|
func (srv *Server) Render(bytes []byte) {
|
||
|
|
// debug
|
||
|
|
// fmt.Println("response msg = ", string(bytes))
|
||
|
|
srv.Writer.WriteHeader(200)
|
||
|
|
_, err := srv.Writer.Write(bytes)
|
||
|
|
if err != nil {
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// String render from string
|
||
|
|
func (srv *Server) String(str string) {
|
||
|
|
writeContextType(srv.Writer, plainContentType)
|
||
|
|
srv.Render([]byte(str))
|
||
|
|
}
|
||
|
|
|
||
|
|
// XML render to xml
|
||
|
|
func (srv *Server) XML(obj interface{}) {
|
||
|
|
writeContextType(srv.Writer, xmlContentType)
|
||
|
|
bytes, err := xml.Marshal(obj)
|
||
|
|
if err != nil {
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
srv.Render(bytes)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Query returns the keyed url query value if it exists
|
||
|
|
func (srv *Server) Query(key string) string {
|
||
|
|
value, _ := srv.GetQuery(key)
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetQuery is like Query(), it returns the keyed url query value
|
||
|
|
func (srv *Server) GetQuery(key string) (string, bool) {
|
||
|
|
req := srv.Request
|
||
|
|
if values, ok := req.URL.Query()[key]; ok && len(values) > 0 {
|
||
|
|
return values[0], true
|
||
|
|
}
|
||
|
|
return "", false
|
||
|
|
}
|