namespace.go
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// Beego (http://beego.me/)
// @description beego is an open-source, high-performance web framework for the Go programming language.
// @link http://github.com/astaxie/beego for the canonical source repository
// @license http://github.com/astaxie/beego/blob/master/LICENSE
// @authors astaxie
package beego
import (
"net/http"
"strings"
beecontext "github.com/astaxie/beego/context"
)
type namespaceCond func(*beecontext.Context) bool
type Namespace struct {
prefix string
condition namespaceCond
handlers *ControllerRegistor
}
func NewNamespace(prefix string) *Namespace {
cr := NewControllerRegistor()
return &Namespace{
prefix: prefix,
handlers: cr,
}
}
func (n *Namespace) Cond(cond namespaceCond) *Namespace {
n.condition = cond
return n
}
func (n *Namespace) Filter(action string, filter FilterFunc) *Namespace {
if action == "before" {
action = "BeforeRouter"
} else if action == "after" {
action = "FinishRouter"
}
n.handlers.AddFilter("*", action, filter)
return n
}
func (n *Namespace) Router(rootpath string, c ControllerInterface, mappingMethods ...string) *Namespace {
n.handlers.Add(rootpath, c, mappingMethods...)
return n
}
func (n *Namespace) AutoRouter(c ControllerInterface) *Namespace {
n.handlers.AddAuto(c)
return n
}
func (n *Namespace) AutoPrefix(prefix string, c ControllerInterface) *Namespace {
n.handlers.AddAutoPrefix(prefix, c)
return n
}
func (n *Namespace) Get(rootpath string, f FilterFunc) *Namespace {
n.handlers.Get(rootpath, f)
return n
}
func (n *Namespace) Post(rootpath string, f FilterFunc) *Namespace {
n.handlers.Post(rootpath, f)
return n
}
func (n *Namespace) Delete(rootpath string, f FilterFunc) *Namespace {
n.handlers.Delete(rootpath, f)
return n
}
func (n *Namespace) Put(rootpath string, f FilterFunc) *Namespace {
n.handlers.Put(rootpath, f)
return n
}
func (n *Namespace) Head(rootpath string, f FilterFunc) *Namespace {
n.handlers.Head(rootpath, f)
return n
}
func (n *Namespace) Options(rootpath string, f FilterFunc) *Namespace {
n.handlers.Options(rootpath, f)
return n
}
func (n *Namespace) Patch(rootpath string, f FilterFunc) *Namespace {
n.handlers.Patch(rootpath, f)
return n
}
func (n *Namespace) Any(rootpath string, f FilterFunc) *Namespace {
n.handlers.Any(rootpath, f)
return n
}
func (n *Namespace) Handler(rootpath string, h http.Handler) *Namespace {
n.handlers.Handler(rootpath, h)
return n
}
func (n *Namespace) Namespace(ns *Namespace) *Namespace {
n.handlers.Handler(ns.prefix, ns, true)
return n
}
func (n *Namespace) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
//trim the preifix from URL.Path
r.URL.Path = strings.TrimPrefix(r.URL.Path, n.prefix)
// init context
context := &beecontext.Context{
ResponseWriter: rw,
Request: r,
Input: beecontext.NewInput(r),
Output: beecontext.NewOutput(),
}
context.Output.Context = context
context.Output.EnableGzip = EnableGzip
if context.Input.IsWebsocket() {
context.ResponseWriter = rw
}
if n.condition != nil && !n.condition(context) {
http.Error(rw, "Method Not Allowed", 405)
}
n.handlers.ServeHTTP(rw, r)
}
func AddNamespace(nl ...*Namespace) {
for _, n := range nl {
Handler(n.prefix, n, true)
}
}