gin/errors.go

61 lines
1.2 KiB
Go

// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package gin
import (
"bytes"
"fmt"
)
const (
ErrorTypeInternal = 1 << iota
ErrorTypeExternal = 1 << iota
ErrorTypeAny = 0xffffffff
)
// Used internally to collect errors that occurred during an http request.
type errorMsg struct {
Error error `json:"error"`
Flags int `json:"-"`
Meta interface{} `json:"meta"`
}
type errorMsgs []errorMsg
func (a errorMsgs) ByType(typ int) errorMsgs {
if len(a) == 0 {
return a
}
result := make(errorMsgs, 0, len(a))
for _, msg := range a {
if msg.Flags&typ > 0 {
result = append(result, msg)
}
}
return result
}
func (a errorMsgs) Errors() []string {
if len(a) == 0 {
return []string{}
}
errorStrings := make([]string, len(a))
for i, err := range a {
errorStrings[i] = err.Error.Error()
}
return errorStrings
}
func (a errorMsgs) String() string {
if len(a) == 0 {
return ""
}
var buffer bytes.Buffer
for i, msg := range a {
fmt.Fprintf(&buffer, "Error #%02d: %s\n Meta: %v\n", (i + 1), msg.Error, msg.Meta)
}
return buffer.String()
}