pkg/rest/codec/path.go

58 lines
1.4 KiB
Go

/*
* Tencent is pleased to support the open source community by making
* 蓝鲸智云 - 配置平台 (BlueKing - CMDB) available.
* Copyright (C) 2025 Tencent. All rights reserved.
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://opensource.org/licenses/MIT
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
* We undertake not to change the open source license (MIT license) applicable
* to the current version of the project delivered to anyone in the future.
*/
package codec
import (
"fmt"
"net/http"
"reflect"
)
type pathCodec struct {
req *http.Request
}
// NewPathCodec ...
func NewPathCodec(r *http.Request) *pathCodec {
c := &pathCodec{req: r}
return c
}
// Decode ...
func (c *pathCodec) Decode(field reflect.StructField, fv reflect.Value, tag *Tag) error {
pathTag, ok := tag.Option["path"]
if !ok {
return nil
}
pv := c.req.PathValue(pathTag)
if pv == "" {
return nil
}
rv, err := getFieldValue(field.Type, tag, []string{pv})
if err != nil {
return err
}
if !rv.IsValid() {
return fmt.Errorf("%s not valid", rv)
}
fv.Set(rv)
return nil
}