github.com/erda-project/erda-infra@v1.0.10-0.20240327085753-f3a249292aeb/pkg/transport/http/default_handle.go (about)

     1  // Copyright (c) 2021 Terminus, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package http
    16  
    17  import (
    18  	"encoding/json"
    19  	"net/http"
    20  
    21  	"github.com/erda-project/erda-infra/pkg/transport/http/encoding"
    22  )
    23  
    24  // DefaultHandleOptions .
    25  func DefaultHandleOptions() *HandleOptions {
    26  	return &HandleOptions{
    27  		Decode: encoding.DecodeRequest,
    28  		Encode: encoding.EncodeResponse,
    29  		Error:  EncodeError,
    30  	}
    31  }
    32  
    33  // Error .
    34  type Error interface {
    35  	HTTPStatus() int
    36  }
    37  
    38  // EncodeError default EncodeErrorFunc implement
    39  func EncodeError(w http.ResponseWriter, r *http.Request, err error) {
    40  	var status int
    41  	if e, ok := err.(Error); ok {
    42  		status = e.HTTPStatus()
    43  	} else {
    44  		status = http.StatusInternalServerError
    45  	}
    46  	w.Header().Set("Content-Type", "application/json")
    47  	w.WriteHeader(status)
    48  	byts, _ := json.Marshal(map[string]interface{}{
    49  		"code": status,
    50  		"err":  err.Error(),
    51  	})
    52  	w.Write(byts)
    53  }