tango/error.go

package tango

import (
	"fmt"
	"net/http"
)

type AbortError interface {
	error
	Code() int
}

type abortError struct {
	code    int
	content string
}

func (a *abortError) Code() int {
	return a.code
}

func (a *abortError) Error() string {
	return fmt.Sprintf("%v %v", a.code, a.content)
}

func Abort(code int, content ...string) error {
	if len(content) >= 1 {
		return &abortError{code, content[0]}
	}
	return &abortError{code, http.StatusText(code)}
}

func NotFound(content ...string) error {
	return Abort(http.StatusNotFound, content...)
}

func NotSupported(content ...string) error {
	return Abort(http.StatusMethodNotAllowed, content...)
}

func InternalServerError(content ...string) error {
	return Abort(http.StatusInternalServerError, content...)
}

func Forbidden(content ...string) error {
	return Abort(http.StatusForbidden, content...)
}

func Unauthorized(content ...string) error {
	return Abort(http.StatusUnauthorized, content...)
}