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45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package render
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import (
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"encoding/json"
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"encoding/xml"
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"errors"
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"io"
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"io/ioutil"
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"net/http"
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)
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// Decode is a package-level variable set to our default Decoder. We do this
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// because it allows you to set render.Decode to another function with the
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// same function signature, while also utilizing the render.Decoder() function
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// itself. Effectively, allowing you to easily add your own logic to the package
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// defaults. For example, maybe you want to impose a limit on the number of
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// bytes allowed to be read from the request body.
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var Decode = DefaultDecoder
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func DefaultDecoder(r *http.Request, v interface{}) error {
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var err error
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switch GetRequestContentType(r) {
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case ContentTypeJSON:
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err = DecodeJSON(r.Body, v)
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case ContentTypeXML:
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err = DecodeXML(r.Body, v)
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// case ContentTypeForm: // TODO
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default:
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err = errors.New("render: unable to automatically decode the request content type")
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}
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return err
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}
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func DecodeJSON(r io.Reader, v interface{}) error {
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defer io.Copy(ioutil.Discard, r)
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return json.NewDecoder(r).Decode(v)
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}
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func DecodeXML(r io.Reader, v interface{}) error {
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defer io.Copy(ioutil.Discard, r)
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return xml.NewDecoder(r).Decode(v)
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}
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