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splitpick.go
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splitpick.go
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package format
import (
"bytes"
"github.com/trivago/gollum/core"
)
// SplitPick formatter
//
// This formatter splits data into an array by using the given delimiter and
// extracts the given index from that array. The value of that index will be
// written back.
//
// Parameters
//
// - Delimiter: Defines the delimiter to use when splitting the data.
// By default this parameter is set to ":"
//
// - Index: Defines the index to pick.
// By default this parameter is set to 0.
//
// Examples
//
// ExampleConsumer:
// Type: consumer.Console
// Streams: console
// Modulators:
// - format.SplitPick:
// Index: 2
// Delimiter: ":"
type SplitPick struct {
core.SimpleFormatter `gollumdoc:"embed_type"`
index int `config:"Index" default:"0"`
delimiter []byte `config:"Delimiter" default:":"`
}
func init() {
core.TypeRegistry.Register(SplitPick{})
}
// Configure initializes this formatter with values from a plugin config.
func (format *SplitPick) Configure(conf core.PluginConfigReader) {
}
// ApplyFormatter update message payload
func (format *SplitPick) ApplyFormatter(msg *core.Message) error {
parts := bytes.Split(format.GetAppliedContent(msg), format.delimiter)
if format.index < len(parts) {
format.SetAppliedContent(msg, parts[format.index])
} else {
format.SetAppliedContent(msg, []byte{})
}
return nil
}