podman

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// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//    http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package runtime
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import (
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	"mime"
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	"net/http"
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	"github.com/go-openapi/errors"
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)
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// ContentType parses a content type header
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func ContentType(headers http.Header) (string, string, error) {
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	ct := headers.Get(HeaderContentType)
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	orig := ct
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	if ct == "" {
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		ct = DefaultMime
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	}
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	if ct == "" {
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		return "", "", nil
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	}
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	mt, opts, err := mime.ParseMediaType(ct)
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	if err != nil {
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		return "", "", errors.NewParseError(HeaderContentType, "header", orig, err)
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	}
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	if cs, ok := opts[charsetKey]; ok {
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		return mt, cs, nil
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	}
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	return mt, "", nil
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}
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