/
web.go
91 lines (79 loc) · 2.1 KB
/
web.go
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/**
* User: Jackong
* Date: 13-7-14
* Time: 下午6:21
*/
package web
import (
"net/http"
"github.com/Jackong/web/config"
"github.com/Jackong/web/mapper"
"github.com/Jackong/web/common/log"
"github.com/Jackong/web/io/i"
"github.com/Jackong/web/io/o"
"github.com/Jackong/web/io"
"github.com/Jackong/web/method"
"github.com/Jackong/web/static"
"github.com/Jackong/web/io/o/tpl"
"github.com/Jackong/web/io/o/json"
)
func Go() {
log.Init(config.Project.Dir.Log)
defer log.Close()
log.Info("setup server...")
tpl.Init(config.Project.Dir.Tpl.Path, config.Project.Dir.Tpl.Suffix)
defer tpl.Close()
json.Init()
static.Init(config.Project.Dir.Static.Root, config.Project.Dir.Static.Paths)
log.Info("collecting controller")
log.Info("setting handler for home")
http.HandleFunc("/", HomeHandler)
log.Info("listening")
http.ListenAndServe(config.Project.Server.Addr, nil)
}
func HomeHandler(writer http.ResponseWriter, req * http.Request) {
defer func() {
if e := recover(); e != nil {
err := e.(i.InputError)
log.Error(err)
http.NotFound(writer, req)
return
}
}()
log.Info(req.RemoteAddr, req.Method, req.URL.Path)
accept := req.Header.Get("Accept")
acceptor := o.Acceptor(accept)
if acceptor == nil {
log.Error("not acceptable", accept)
http.Error(writer, "406 Not Acceptable", http.StatusNotAcceptable)
return
}
ctrl := mapper.Get(req.URL.Path)
if ctrl == nil {
log.Warning("page not found", req.URL.Path)
http.NotFound(writer, req);
return;
}
ctx := io.New(&i.Input{Req: req}, &o.Output{Writer: writer})
switch req.Method {
case method.GET:
ctrl.Read(ctx)
case method.POST:
ctrl.Create(ctx)
case method.PUT:
ctrl.Update(ctx)
case method.DEL:
ctrl.Delete(ctx)
default:
http.Error(writer, "405 Method Not Allowed", http.StatusMethodNotAllowed)
return
}
if _, output := ctx.Output.Get(); output == nil {
http.Error(writer, "405 Method Not Allowed", http.StatusMethodNotAllowed)
return
}
if err := acceptor.Present(ctx.Output); err != nil {
log.Error("present error", err)
http.Error(writer, "500 Internal Server Error", http.StatusInternalServerError)
}
}