need help converting this huge rule from 4 to 9.2.4

when HTTP_REQUEST {
  if { [HTTP::host] contains "www.macmillanmedical.com" } {
    HTTP::redirect "www.macmillanmedicalcommunications.com"
  } elseif { [HTTP::host] contains "www.macmedcoms.com" } {
    HTTP::redirect "www.macmillanmedicalcommunications.com"
  } elseif { [HTTP::host] contains "www.macmillanmedicalcommunications.de" } {
    HTTP::redirect "www.macmillanmedicalcommunications.com/de/index.html"
  } elseif { [HTTP::host] contains "www.macmillanmedicalcommunications.es" } {
    HTTP::redirect "www.macmillanmedicalcommunications.com/es/index.html"
  } elseif { [HTTP::host] contains "www.macmillanmedicalcommunications.jp" } {
    HTTP::redirect "www.macmillanmedicalcommunications.com/jp/index_ja.html?lang=ja"
  } elseif { ([HTTP::host] contains "www.macmillanmedicalcommunications.com") && ([HTTP::uri] ends_with "/jp/") } {
    HTTP::redirect "http://www.macmillanmedicalcommunications.com/jp/index_ja.html"
  } else {
    pool MMC
  }
}