5d54584f03
Also bringing: . golang.org/x/net 5561cd9b4330353950f399814f427425c0a26fd2 . github.com/docker/distribution 83389a148052d74ac602f5f1d62f86ff2f3c4aa5 . github.com/docker/swarmkit bd69f6e8e301645afd344913fa1ede53a0a111fb . github.com/docker/go-metrics d466d4f6fd960e01820085bd7e1a24426ee7ef18 . github.com/prometheus/client_golang 52437c81da6b127a9925d17eb3a382a2e5fd395e . github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9 . github.com/prometheus/client_model fa8ad6fec33561be4280a8f0514318c79d7f6cb6 . github.com/prometheus/common ebdfc6da46522d58825777cf1f90490a5b1ef1d8 . github.com/prometheus/procfs abf152e5f3e97f2fafac028d2cc06c1feb87ffa5 . github.com/matttproud/golang_protobuf_extensions v1.0.0 Signed-off-by: Mathieu Champlon <mathieu.champlon@docker.com>
41 lines
950 B
Go
41 lines
950 B
Go
package errcode
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import (
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"encoding/json"
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"net/http"
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)
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// ServeJSON attempts to serve the errcode in a JSON envelope. It marshals err
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// and sets the content-type header to 'application/json'. It will handle
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// ErrorCoder and Errors, and if necessary will create an envelope.
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func ServeJSON(w http.ResponseWriter, err error) error {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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var sc int
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switch errs := err.(type) {
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case Errors:
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if len(errs) < 1 {
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break
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}
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if err, ok := errs[0].(ErrorCoder); ok {
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sc = err.ErrorCode().Descriptor().HTTPStatusCode
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}
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case ErrorCoder:
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sc = errs.ErrorCode().Descriptor().HTTPStatusCode
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err = Errors{err} // create an envelope.
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default:
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// We just have an unhandled error type, so just place in an envelope
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// and move along.
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err = Errors{err}
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}
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if sc == 0 {
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sc = http.StatusInternalServerError
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}
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w.WriteHeader(sc)
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return json.NewEncoder(w).Encode(err)
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}
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