31 lines
723 B
Go
31 lines
723 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package lib
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import (
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"bytes"
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"encoding/json"
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"io"
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)
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// DecodeJSON is a convenience function to create a JSON decoder
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// set it up to disallow unknown fields and then decode into the
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// given value
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func DecodeJSON(data io.Reader, out interface{}) error {
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if data == nil {
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return io.EOF
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}
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decoder := json.NewDecoder(data)
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decoder.DisallowUnknownFields()
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return decoder.Decode(&out)
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}
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// UnmarshalJSON is a convenience function around calling
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// DecodeJSON. It will mainly be useful in many of our
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// UnmarshalJSON methods for structs.
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func UnmarshalJSON(data []byte, out interface{}) error {
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return DecodeJSON(bytes.NewReader(data), out)
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}
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