| // 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 ( |
| "mime" |
| "net/http" |
| |
| "github.com/go-openapi/errors" |
| ) |
| |
| // ContentType parses a content type header |
| func ContentType(headers http.Header) (string, string, error) { |
| ct := headers.Get(HeaderContentType) |
| orig := ct |
| if ct == "" { |
| ct = DefaultMime |
| } |
| if ct == "" { |
| return "", "", nil |
| } |
| |
| mt, opts, err := mime.ParseMediaType(ct) |
| if err != nil { |
| return "", "", errors.NewParseError(HeaderContentType, "header", orig, err) |
| } |
| |
| if cs, ok := opts[charsetKey]; ok { |
| return mt, cs, nil |
| } |
| |
| return mt, "", nil |
| } |