-
Notifications
You must be signed in to change notification settings - Fork 76
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
57 changed files
with
15,507 additions
and
85 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| /* | ||
| * Copyright 2017 Baidu, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file | ||
| * except in compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| // builder.go - defines the RequestBuilder structure for BCE servies | ||
|
|
||
| package bce | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| ) | ||
|
|
||
| // RequestBuilder holds config data for bce request. | ||
| // Some of fields are required and the others are optional. | ||
| // The builder pattern can simplify the execution of requests. | ||
| type RequestBuilder struct { | ||
| client Client | ||
|
|
||
| url string // required | ||
| method string // required | ||
| queryParams map[string]string // optional | ||
| headers map[string]string // optional | ||
| body interface{} // optional | ||
| result interface{} // optional | ||
| } | ||
|
|
||
| // create RequestBuilder with the client. | ||
| func NewRequestBuilder(client Client) *RequestBuilder { | ||
| return &RequestBuilder{ | ||
| client: client, | ||
| } | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithURL(url string) *RequestBuilder { | ||
| b.url = url | ||
| return b | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithMethod(method string) *RequestBuilder { | ||
| b.method = method | ||
| return b | ||
| } | ||
|
|
||
| // set query param with the key/value directly. | ||
| func (b *RequestBuilder) WithQueryParam(key, value string) *RequestBuilder { | ||
| if b.queryParams == nil { | ||
| b.queryParams = make(map[string]string) | ||
| } | ||
| b.queryParams[key] = value | ||
| return b | ||
| } | ||
|
|
||
| // set query param with the key/value only when the value is not blank. | ||
| func (b *RequestBuilder) WithQueryParamFilter(key, value string) *RequestBuilder { | ||
| if len(value) == 0 { | ||
| return b | ||
| } | ||
| return b.WithQueryParam(key, value) | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithQueryParams(params map[string]string) *RequestBuilder { | ||
| if b.queryParams == nil { | ||
| b.queryParams = params | ||
| } else { | ||
| for key, value := range params { | ||
| b.queryParams[key] = value | ||
| } | ||
| } | ||
| return b | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithHeader(key, value string) *RequestBuilder { | ||
| if b.headers == nil { | ||
| b.headers = make(map[string]string) | ||
| } | ||
| b.headers[key] = value | ||
| return b | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithHeaders(headers map[string]string) *RequestBuilder { | ||
| if b.headers == nil { | ||
| b.headers = headers | ||
| } else { | ||
| for key, value := range headers { | ||
| b.headers[key] = value | ||
| } | ||
| } | ||
| return b | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithBody(body interface{}) *RequestBuilder { | ||
| b.body = body | ||
| return b | ||
| } | ||
|
|
||
| func (b *RequestBuilder) WithResult(result interface{}) *RequestBuilder { | ||
| b.result = result | ||
| return b | ||
| } | ||
|
|
||
| // Do will send request to bce and get result with the builder's parameters. | ||
| func (b *RequestBuilder) Do() error { | ||
| if err := b.validate(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // build BceRequest | ||
| req, err := b.buildBceRequest() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // get result from BceResponse | ||
| if err := b.buildBceResponse(req); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // Validate if the required fields are providered. | ||
| func (b *RequestBuilder) validate() error { | ||
| if len(b.url) == 0 { | ||
| return fmt.Errorf("The url can't be null.") | ||
| } | ||
| if len(b.method) == 0 { | ||
| return fmt.Errorf("The method can't be null.") | ||
| } | ||
| if b.client == nil { | ||
| return fmt.Errorf("The client can't be null.") | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (b *RequestBuilder) buildBceRequest() (*BceRequest, error) { | ||
| // Build the request | ||
| req := &BceRequest{} | ||
| req.SetUri(b.url) | ||
| req.SetMethod(b.method) | ||
|
|
||
| if b.headers != nil { | ||
| req.SetHeaders(b.headers) | ||
| } | ||
| if b.queryParams != nil { | ||
| req.SetParams(b.queryParams) | ||
| } | ||
| if b.body != nil { | ||
| bodyBytes, err := json.Marshal(b.body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| body, err := NewBodyFromBytes(bodyBytes) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| req.SetBody(body) | ||
| } | ||
|
|
||
| return req, nil | ||
| } | ||
|
|
||
| func (b *RequestBuilder) buildBceResponse(req *BceRequest) error { | ||
| // Send request and get response | ||
| resp := &BceResponse{} | ||
| if err := b.client.SendRequest(req, resp); err != nil { | ||
| return err | ||
| } | ||
| if resp.IsFail() { | ||
| return resp.ServiceError() | ||
| } | ||
| defer resp.Body().Close() | ||
|
|
||
| if b.result == nil { | ||
| return nil | ||
| } | ||
|
|
||
| return resp.ParseJsonBody(b.result) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.