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70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package converter
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import (
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"encoding/json"
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"fmt"
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commonpb "go.temporal.io/api/common/v1"
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)
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// JSONPayloadConverter converts to/from JSON.
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type JSONPayloadConverter struct {
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}
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// NewJSONPayloadConverter creates new instance of JSONPayloadConverter.
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func NewJSONPayloadConverter() *JSONPayloadConverter {
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return &JSONPayloadConverter{}
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}
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// ToPayload converts single value to payload.
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func (c *JSONPayloadConverter) ToPayload(value interface{}) (*commonpb.Payload, error) {
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data, err := json.Marshal(value)
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if err != nil {
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return nil, fmt.Errorf("%w: %v", ErrUnableToEncode, err)
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}
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return newPayload(data, c), nil
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}
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// FromPayload converts single value from payload.
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func (c *JSONPayloadConverter) FromPayload(payload *commonpb.Payload, valuePtr interface{}) error {
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err := json.Unmarshal(payload.GetData(), valuePtr)
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if err != nil {
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return fmt.Errorf("%w: %v", ErrUnableToDecode, err)
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}
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return nil
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}
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// ToString converts payload object into human readable string.
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func (c *JSONPayloadConverter) ToString(payload *commonpb.Payload) string {
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return string(payload.GetData())
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}
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// Encoding returns MetadataEncodingJSON.
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func (c *JSONPayloadConverter) Encoding() string {
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return MetadataEncodingJSON
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}
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