Generate Google sitemap

sitemap.go

package main

import (
	"bufio"
	"encoding/xml"
	"fmt"
	"os"
)

func main() {
	MakeSitemap()
}

func MakeSitemap() {
	f := bufio.NewWriter(os.Stdout)

	sitemap := Sitemap{}

	sitemap.Xmlns = "http://www.sitemaps.org/schemas/sitemap/0.9"
	sitemap.XmlnsImage = "http://www.google.com/schemas/sitemap-image/1.1"

	// Add root Address
	root := UrlList{Location: "http://test.com/", ChangeFreq: "hourly"}
	image := ImageList{Image: "http://test.com/test.jpg"}

	root.Image = append(root.Image, image)
	sitemap.Url = append(sitemap.Url, root)

	output, err := xml.MarshalIndent(sitemap, " ", "  ")
	if err != nil {
		fmt.Println("error")
	}

	f.Write([]byte(xml.Header))
	f.Write(output)
	f.Flush()
}

type Sitemap struct {
	XMLName    xml.Name  `xml:"urlset"`
	Xmlns      string    `xml:"xmlns,attr"`
	XmlnsImage string    `xml:"xmlns:image,attr"`
	Url        []UrlList `xml:"url"`
}

type UrlList struct {
	Location   string      `xml:"loc"`
	Lastmod    string      `xml:"lastmod,omitempty"`
	ChangeFreq string      `xml:"changefreq,omitempty"`
	Image      []ImageList `xml:"image:image,omitempty"`
}

type ImageList struct {
	Image string `xml:"image:loc"`
}