generate a main method for the api

cmd/swagger/commands/generate/all.go

@@ -26,6 +26,8 @@ type All struct {
 	SkipModels     bool     `long:"skip-models" description:"no models will be generated when this flag is specified"`
 	SkipOperations bool     `long:"skip-operations" description:"no operations will be generated when this flag is specified"`
 	SkipSupport    bool     `long:"skip-support" description:"no supporting files will be generated when this flag is specified"`
+	IncludeMain    bool     `long:"include-main" description:"generates a main package for the server"`
+	IncludeUI      bool     `long:"include-ui" description:"when generating a main package it uses a middleware that also serves a swagger-ui for the swagger json"`
 }
 
 // Execute runs this command
@@ -39,7 +41,7 @@ func (a *All) Execute(args []string) error {
 	}
 
 	if !a.SkipSupport {
-		if err := generator.GenerateSupport(a.Name, a.Models, a.Operations, opts); err != nil {
+		if err := generator.GenerateSupport(a.Name, a.Models, a.Operations, a.IncludeMain, a.IncludeUI, opts); err != nil {
 			return err
 		}
 	}

cmd/swagger/commands/generate/support.go

@@ -8,9 +8,11 @@ type Support struct {
 	Name       string   `json:"name" short:"A" description:"the name of the application" default:"swagger"`
 	Operations []string `long:"operation" short:"O" description:"specify an operation to include, repeat for multiple"`
 	// Tags       []string `long:"tags" description:"the tags to include, if not specified defaults to all"`
-	Principal string   `long:"principal" description:"the model to use for the security principal"`
-	Models    []string `long:"model" short:"M" description:"specify a model to include, repeat for multiple"`
-	DumpData  bool     `long:"dump-data" description:"when present dumps the json for the template generator instead of generating files"`
+	Principal   string   `long:"principal" description:"the model to use for the security principal"`
+	Models      []string `long:"model" short:"M" description:"specify a model to include, repeat for multiple"`
+	DumpData    bool     `long:"dump-data" description:"when present dumps the json for the template generator instead of generating files"`
+	IncludeMain bool     `long:"include-main" description:"generates a main package for the server"`
+	IncludeUI   bool     `long:"include-ui" description:"when generating a main package it uses a middleware that also serves a swagger-ui for the swagger json"`
 }
 
 // Execute generates the supporting files file
@@ -19,6 +21,8 @@ func (s *Support) Execute(args []string) error {
 		s.Name,
 		nil,
 		nil,
+		s.IncludeMain,
+		s.IncludeUI,
 		generator.GenOpts{
 			Spec:         string(s.Spec),
 			Target:       string(s.Target),

cmd/swagger/commands/ui.go

@@ -30,7 +30,7 @@ func (d *ui) Execute(args []string) error {
 		return err
 	}
 	if fi.IsDir() {
-		return fmt.Errorf("expected")
+		return fmt.Errorf("%s is a directory, expected a file", fileName)
 	}
 
 	orig := fileName