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config.go
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config.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package keyvalue // import "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/parser/keyvalue"
import (
"errors"
"go.opentelemetry.io/collector/component"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/helper"
)
const operatorType = "key_value_parser"
func init() {
operator.Register(operatorType, func() operator.Builder { return NewConfig() })
}
// NewConfig creates a new key value parser config with default values
func NewConfig() *Config {
return NewConfigWithID(operatorType)
}
// NewConfigWithID creates a new key value parser config with default values
func NewConfigWithID(operatorID string) *Config {
return &Config{
ParserConfig: helper.NewParserConfig(operatorID, operatorType),
Delimiter: "=",
}
}
// Config is the configuration of a key value parser operator.
type Config struct {
helper.ParserConfig `mapstructure:",squash"`
Delimiter string `mapstructure:"delimiter"`
PairDelimiter string `mapstructure:"pair_delimiter"`
}
// Build will build a key value parser operator.
func (c Config) Build(set component.TelemetrySettings) (operator.Operator, error) {
parserOperator, err := c.ParserConfig.Build(set)
if err != nil {
return nil, err
}
if c.Delimiter == "" {
return nil, errors.New("delimiter is a required parameter")
}
pairDelimiter := " "
if c.PairDelimiter != "" {
pairDelimiter = c.PairDelimiter
}
if c.Delimiter == pairDelimiter {
return nil, errors.New("delimiter and pair_delimiter cannot be the same value")
}
return &Parser{
ParserOperator: parserOperator,
delimiter: c.Delimiter,
pairDelimiter: pairDelimiter,
}, nil
}