| // Copyright 2015 go-swagger maintainers |
| // |
| // 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. |
| |
| package runtime |
| |
| import ( |
| "io" |
| "net/http" |
| "strings" |
| |
| "github.com/go-openapi/swag" |
| ) |
| |
| // CanHaveBody returns true if this method can have a body |
| func CanHaveBody(method string) bool { |
| mn := strings.ToUpper(method) |
| return mn == "POST" || mn == "PUT" || mn == "PATCH" || mn == "DELETE" |
| } |
| |
| // IsSafe returns true if this is a request with a safe method |
| func IsSafe(r *http.Request) bool { |
| mn := strings.ToUpper(r.Method) |
| return mn == "GET" || mn == "HEAD" |
| } |
| |
| // AllowsBody returns true if the request allows for a body |
| func AllowsBody(r *http.Request) bool { |
| mn := strings.ToUpper(r.Method) |
| return mn != "HEAD" |
| } |
| |
| // HasBody returns true if this method needs a content-type |
| func HasBody(r *http.Request) bool { |
| return len(r.TransferEncoding) > 0 || r.ContentLength > 0 |
| } |
| |
| // JSONRequest creates a new http request with json headers set |
| func JSONRequest(method, urlStr string, body io.Reader) (*http.Request, error) { |
| req, err := http.NewRequest(method, urlStr, body) |
| if err != nil { |
| return nil, err |
| } |
| req.Header.Add(HeaderContentType, JSONMime) |
| req.Header.Add(HeaderAccept, JSONMime) |
| return req, nil |
| } |
| |
| // Gettable for things with a method GetOK(string) (data string, hasKey bool, hasValue bool) |
| type Gettable interface { |
| GetOK(string) ([]string, bool, bool) |
| } |
| |
| // ReadSingleValue reads a single value from the source |
| func ReadSingleValue(values Gettable, name string) string { |
| vv, _, hv := values.GetOK(name) |
| if hv { |
| return vv[len(vv)-1] |
| } |
| return "" |
| } |
| |
| // ReadCollectionValue reads a collection value from a string data source |
| func ReadCollectionValue(values Gettable, name, collectionFormat string) []string { |
| v := ReadSingleValue(values, name) |
| return swag.SplitByFormat(v, collectionFormat) |
| } |