1 // Copyright © 2017 Mikael Berthe <mikael@lilotux.net>

     2 //

     3 // Licensed under the MIT license.

     4 // Please see the LICENSE file is this directory.

     5 

     6 package printer

     7 

     8 import (

     9 	"fmt"

    10 	"io"

    11 )

    12 

    13 // ResourcePrinter is an interface used to print objects.

    14 type ResourcePrinter interface {

    15 	// PrintObj receives a runtime object, formats it and prints it to a writer.

    16 	PrintObj(interface{}, io.Writer, string) error

    17 }

    18 

    19 // NewPrinter returns a ResourcePrinter for the specified kind of output.

    20 // It returns nil if the output is not supported.

    21 func NewPrinter(output, option string) (ResourcePrinter, error) {

    22 	switch output {

    23 	case "", "plain":

    24 		return NewPrinterPlain(option)

    25 	case "json":

    26 		return NewPrinterJSON(option)

    27 	case "yaml":

    28 		return NewPrinterYAML(option)

    29 	case "template":

    30 		return NewPrinterTemplate(option)

    31 	}

    32 	return nil, fmt.Errorf("unhandled output format")

    33 }