mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-09 07:02:06 +08:00
127 lines
2.8 KiB
Go
127 lines
2.8 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package httputils
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import (
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"bytes"
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"fmt"
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)
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// New a http Json client error
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// code: http error code, >=400
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// class: error class
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// msg: message
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// params: message format parameters
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func NewJsonClientError(code int, class string, msg string, params ...interface{}) *JSONClientError {
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details, err := errorMessage(msg, params...)
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return &JSONClientError{Code: code, Class: class, Details: details, Data: err}
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}
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func errorMessage(msgFmt string, params ...interface{}) (string, Error) {
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fields := make([]string, len(params))
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for i, v := range params {
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fields[i] = fmt.Sprint(v)
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}
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err := Error{
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Id: msgFmtToTmpl(msgFmt),
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Fields: fields,
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}
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msg := msgFmt
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if len(params) > 0 {
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msg = fmt.Sprintf(msg, params...)
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}
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return msg, err
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}
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func msgFmtToTmpl(msgFmt string) string {
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// 将%s %d之类格式化字符串转换成{0}、{1}格式
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// 注意： 1.不支持复杂类型的转换例如%.2f , %[1]d, % x
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// 2.原始msgFmt中如果包含{0},{1}形式的字符串同样会引发错误。
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// 在抛出error msgFmt时应注意避免
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fmtstr := false
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lst := []rune(msgFmt)
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lastIndex := len(lst) - 1
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temp := bytes.Buffer{}
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index := 0
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for i, c := range lst {
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switch c {
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case '%':
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if fmtstr || i == lastIndex {
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temp.WriteRune(c)
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fmtstr = false
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} else {
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fmtstr = true
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}
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case 'v', 'T', 't', 'b', 'c', 'd', 'o', 'q', 'x', 'X', 'U', 'e', 'E', 'f', 'F', 'g', 'G', 's', 'p':
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if fmtstr {
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temp.WriteRune('{')
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temp.WriteString(fmt.Sprintf("%d", index))
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temp.WriteRune('}')
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index++
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fmtstr = false
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} else {
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temp.WriteRune(c)
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}
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default:
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if fmtstr {
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temp.WriteRune('%')
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}
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temp.WriteRune(c)
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fmtstr = false
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}
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}
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return temp.String()
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}
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func MsgTmplToFmt(tmpl string) string {
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return msgTmplToFmt(tmpl)
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}
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func msgTmplToFmt(tmpl string) string {
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b := &bytes.Buffer{}
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for i := 0; i < len(tmpl); {
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r := tmpl[i]
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if r != '{' {
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b.WriteByte(r)
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i++
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continue
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}
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j := i + 1
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for ; j < len(tmpl); j++ {
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r := tmpl[j]
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if r < '0' || r > '9' {
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break
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}
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}
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if j == len(tmpl) {
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b.WriteString(tmpl[i:])
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return b.String()
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}
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if j > i+1 && tmpl[j] == '}' {
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b.WriteString("%s")
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i = j + 1
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} else {
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b.WriteString(tmpl[i:j])
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i = j
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}
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}
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return b.String()
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}
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