func (cmd *MapRoute) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
if len(fc.Args()) != 2 {
cmd.ui.Failed(T("Incorrect Usage. Requires APP_NAME and DOMAIN as arguments\n\n") + commandregistry.Commands.CommandUsage("map-route"))
return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 2)
}
if fc.IsSet("port") && (fc.IsSet("hostname") || fc.IsSet("path")) {
cmd.ui.Failed(T("Cannot specify port together with hostname and/or path."))
return nil, fmt.Errorf("Cannot specify port together with hostname and/or path.")
}
if fc.IsSet("random-port") && (fc.IsSet("port") || fc.IsSet("hostname") || fc.IsSet("path")) {
cmd.ui.Failed(T("Cannot specify random-port together with port, hostname and/or path."))
return nil, fmt.Errorf("Cannot specify random-port together with port, hostname and/or path.")
}
appName := fc.Args()[0]
domainName := fc.Args()[1]
requirement := requirementsFactory.NewApplicationRequirement(appName)
cmd.appReq = requirement
cmd.domainReq = requirementsFactory.NewDomainRequirement(domainName)
var reqs []requirements.Requirement
if fc.String("path") != "" {
reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement("Option '--path'", cf.RoutePathMinimumAPIVersion))
}
var flag string
switch {
case fc.IsSet("port"):
flag = "port"
case fc.IsSet("random-port"):
flag = "random-port"
}
if flag != "" {
reqs = append(reqs, requirementsFactory.NewMinAPIVersionRequirement(fmt.Sprintf("Option '--%s'", flag), cf.TCPRoutingMinimumAPIVersion))
reqs = append(reqs, requirementsFactory.NewDiegoApplicationRequirement(appName))
}
reqs = append(reqs, []requirements.Requirement{
requirementsFactory.NewLoginRequirement(),
cmd.appReq,
cmd.domainReq,
}...)
return reqs, nil
}