metrics-server/vendor/github.com/emicklei/go-restful-swagger12/model_builder.go - kubeia - Gitiles

 package swagger

 import (
 	"encoding/json"
 	"reflect"
 	"strings"
 )

 // ModelBuildable is used for extending Structs that need more control over
 // how the Model appears in the Swagger api declaration.
 type ModelBuildable interface {
 	PostBuildModel(m *Model) *Model
 }

 type modelBuilder struct {
 	Models *ModelList
 	Config *Config
 }

 type documentable interface {
 	SwaggerDoc() map[string]string
 }

 // Check if this structure has a method with signature func (<theModel>) SwaggerDoc() map[string]string
 // If it exists, retrive the documentation and overwrite all struct tag descriptions
 func getDocFromMethodSwaggerDoc2(model reflect.Type) map[string]string {
 	if docable, ok := reflect.New(model).Elem().Interface().(documentable); ok {
 		return docable.SwaggerDoc()
 	}
 	return make(map[string]string)
 }

 // addModelFrom creates and adds a Model to the builder and detects and calls
 // the post build hook for customizations
 func (b modelBuilder) addModelFrom(sample interface{}) {
 	if modelOrNil := b.addModel(reflect.TypeOf(sample), ""); modelOrNil != nil {
 		// allow customizations
 		if buildable, ok := sample.(ModelBuildable); ok {
 			modelOrNil = buildable.PostBuildModel(modelOrNil)
 			b.Models.Put(modelOrNil.Id, *modelOrNil)
 		}
 	}
 }

 func (b modelBuilder) addModel(st reflect.Type, nameOverride string) *Model {
 	// Turn pointers into simpler types so further checks are
 	// correct.
 	if st.Kind() == reflect.Ptr {
 		st = st.Elem()
 	}

 	modelName := b.keyFrom(st)
 	if nameOverride != "" {
 		modelName = nameOverride
 	}
 	// no models needed for primitive types
 	if b.isPrimitiveType(modelName) {
 		return nil
 	}
 	// golang encoding/json packages says array and slice values encode as
 	// JSON arrays, except that []byte encodes as a base64-encoded string.
 	// If we see a []byte here, treat it at as a primitive type (string)
 	// and deal with it in buildArrayTypeProperty.
 	if (st.Kind() == reflect.Slice || st.Kind() == reflect.Array) &&
 		st.Elem().Kind() == reflect.Uint8 {
 		return nil
 	}
 	// see if we already have visited this model
 	if _, ok := b.Models.At(modelName); ok {
 		return nil
 	}
 	sm := Model{
 		Id:         modelName,
 		Required:   []string{},
 		Properties: ModelPropertyList{}}

 	// reference the model before further initializing (enables recursive structs)
 	b.Models.Put(modelName, sm)

 	// check for slice or array
 	if st.Kind() == reflect.Slice || st.Kind() == reflect.Array {
 		b.addModel(st.Elem(), "")
 		return &sm
 	}
 	// check for structure or primitive type
 	if st.Kind() != reflect.Struct {
 		return &sm
 	}

 	fullDoc := getDocFromMethodSwaggerDoc2(st)
 	modelDescriptions := []string{}

 	for i := 0; i < st.NumField(); i++ {
 		field := st.Field(i)
 		jsonName, modelDescription, prop := b.buildProperty(field, &sm, modelName)
 		if len(modelDescription) > 0 {
 			modelDescriptions = append(modelDescriptions, modelDescription)
 		}

 		// add if not omitted
 		if len(jsonName) != 0 {
 			// update description
 			if fieldDoc, ok := fullDoc[jsonName]; ok {
 				prop.Description = fieldDoc
 			}
 			// update Required
 			if b.isPropertyRequired(field) {
 				sm.Required = append(sm.Required, jsonName)
 			}
 			sm.Properties.Put(jsonName, prop)
 		}
 	}

 	// We always overwrite documentation if SwaggerDoc method exists
 	// "" is special for documenting the struct itself
 	if modelDoc, ok := fullDoc[""]; ok {
 		sm.Description = modelDoc
 	} else if len(modelDescriptions) != 0 {
 		sm.Description = strings.Join(modelDescriptions, "\n")
 	}

 	// update model builder with completed model
 	b.Models.Put(modelName, sm)

 	return &sm
 }

 func (b modelBuilder) isPropertyRequired(field reflect.StructField) bool {
 	required := true
 	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
 		s := strings.Split(jsonTag, ",")
 		if len(s) > 1 && s[1] == "omitempty" {
 			return false
 		}
 	}
 	return required
 }

 func (b modelBuilder) buildProperty(field reflect.StructField, model *Model, modelName string) (jsonName, modelDescription string, prop ModelProperty) {
 	jsonName = b.jsonNameOfField(field)
 	if len(jsonName) == 0 {
 		// empty name signals skip property
 		return "", "", prop
 	}

 	if field.Name == "XMLName" && field.Type.String() == "xml.Name" {
 		// property is metadata for the xml.Name attribute, can be skipped
 		return "", "", prop
 	}

 	if tag := field.Tag.Get("modelDescription"); tag != "" {
 		modelDescription = tag
 	}

 	prop.setPropertyMetadata(field)
 	if prop.Type != nil {
 		return jsonName, modelDescription, prop
 	}
 	fieldType := field.Type

 	// check if type is doing its own marshalling
 	marshalerType := reflect.TypeOf((*json.Marshaler)(nil)).Elem()
 	if fieldType.Implements(marshalerType) {
 		var pType = "string"
 		if prop.Type == nil {
 			prop.Type = &pType
 		}
 		if prop.Format == "" {
 			prop.Format = b.jsonSchemaFormat(b.keyFrom(fieldType))
 		}
 		return jsonName, modelDescription, prop
 	}

 	// check if annotation says it is a string
 	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
 		s := strings.Split(jsonTag, ",")
 		if len(s) > 1 && s[1] == "string" {
 			stringt := "string"
 			prop.Type = &stringt
 			return jsonName, modelDescription, prop
 		}
 	}

 	fieldKind := fieldType.Kind()
 	switch {
 	case fieldKind == reflect.Struct:
 		jsonName, prop := b.buildStructTypeProperty(field, jsonName, model)
 		return jsonName, modelDescription, prop
 	case fieldKind == reflect.Slice || fieldKind == reflect.Array:
 		jsonName, prop := b.buildArrayTypeProperty(field, jsonName, modelName)
 		return jsonName, modelDescription, prop
 	case fieldKind == reflect.Ptr:
 		jsonName, prop := b.buildPointerTypeProperty(field, jsonName, modelName)
 		return jsonName, modelDescription, prop
 	case fieldKind == reflect.String:
 		stringt := "string"
 		prop.Type = &stringt
 		return jsonName, modelDescription, prop
 	case fieldKind == reflect.Map:
 		// if it's a map, it's unstructured, and swagger 1.2 can't handle it
 		objectType := "object"
 		prop.Type = &objectType
 		return jsonName, modelDescription, prop
 	}

 	fieldTypeName := b.keyFrom(fieldType)
 	if b.isPrimitiveType(fieldTypeName) {
 		mapped := b.jsonSchemaType(fieldTypeName)
 		prop.Type = &mapped
 		prop.Format = b.jsonSchemaFormat(fieldTypeName)
 		return jsonName, modelDescription, prop
 	}
 	modelType := b.keyFrom(fieldType)
 	prop.Ref = &modelType

 	if fieldType.Name() == "" { // override type of anonymous structs
 		nestedTypeName := modelName + "." + jsonName
 		prop.Ref = &nestedTypeName
 		b.addModel(fieldType, nestedTypeName)
 	}
 	return jsonName, modelDescription, prop
 }

 func hasNamedJSONTag(field reflect.StructField) bool {
 	parts := strings.Split(field.Tag.Get("json"), ",")
 	if len(parts) == 0 {
 		return false
 	}
 	for _, s := range parts[1:] {
 		if s == "inline" {
 			return false
 		}
 	}
 	return len(parts[0]) > 0
 }

 func (b modelBuilder) buildStructTypeProperty(field reflect.StructField, jsonName string, model *Model) (nameJson string, prop ModelProperty) {
 	prop.setPropertyMetadata(field)
 	// Check for type override in tag
 	if prop.Type != nil {
 		return jsonName, prop
 	}
 	fieldType := field.Type
 	// check for anonymous
 	if len(fieldType.Name()) == 0 {
 		// anonymous
 		anonType := model.Id + "." + jsonName
 		b.addModel(fieldType, anonType)
 		prop.Ref = &anonType
 		return jsonName, prop
 	}

 	if field.Name == fieldType.Name() && field.Anonymous && !hasNamedJSONTag(field) {
 		// embedded struct
 		sub := modelBuilder{new(ModelList), b.Config}
 		sub.addModel(fieldType, "")
 		subKey := sub.keyFrom(fieldType)
 		// merge properties from sub
 		subModel, _ := sub.Models.At(subKey)
 		subModel.Properties.Do(func(k string, v ModelProperty) {
 			model.Properties.Put(k, v)
 			// if subModel says this property is required then include it
 			required := false
 			for _, each := range subModel.Required {
 				if k == each {
 					required = true
 					break
 				}
 			}
 			if required {
 				model.Required = append(model.Required, k)
 			}
 		})
 		// add all new referenced models
 		sub.Models.Do(func(key string, sub Model) {
 			if key != subKey {
 				if _, ok := b.Models.At(key); !ok {
 					b.Models.Put(key, sub)
 				}
 			}
 		})
 		// empty name signals skip property
 		return "", prop
 	}
 	// simple struct
 	b.addModel(fieldType, "")
 	var pType = b.keyFrom(fieldType)
 	prop.Ref = &pType
 	return jsonName, prop
 }

 func (b modelBuilder) buildArrayTypeProperty(field reflect.StructField, jsonName, modelName string) (nameJson string, prop ModelProperty) {
 	// check for type override in tags
 	prop.setPropertyMetadata(field)
 	if prop.Type != nil {
 		return jsonName, prop
 	}
 	fieldType := field.Type
 	if fieldType.Elem().Kind() == reflect.Uint8 {
 		stringt := "string"
 		prop.Type = &stringt
 		return jsonName, prop
 	}
 	var pType = "array"
 	prop.Type = &pType
 	isPrimitive := b.isPrimitiveType(fieldType.Elem().Name())
 	elemTypeName := b.getElementTypeName(modelName, jsonName, fieldType.Elem())
 	prop.Items = new(Item)
 	if isPrimitive {
 		mapped := b.jsonSchemaType(elemTypeName)
 		prop.Items.Type = &mapped
 	} else {
 		prop.Items.Ref = &elemTypeName
 	}
 	// add|overwrite model for element type
 	if fieldType.Elem().Kind() == reflect.Ptr {
 		fieldType = fieldType.Elem()
 	}
 	if !isPrimitive {
 		b.addModel(fieldType.Elem(), elemTypeName)
 	}
 	return jsonName, prop
 }

 func (b modelBuilder) buildPointerTypeProperty(field reflect.StructField, jsonName, modelName string) (nameJson string, prop ModelProperty) {
 	prop.setPropertyMetadata(field)
 	// Check for type override in tags
 	if prop.Type != nil {
 		return jsonName, prop
 	}
 	fieldType := field.Type

 	// override type of pointer to list-likes
 	if fieldType.Elem().Kind() == reflect.Slice || fieldType.Elem().Kind() == reflect.Array {
 		var pType = "array"
 		prop.Type = &pType
 		isPrimitive := b.isPrimitiveType(fieldType.Elem().Elem().Name())
 		elemName := b.getElementTypeName(modelName, jsonName, fieldType.Elem().Elem())
 		if isPrimitive {
 			primName := b.jsonSchemaType(elemName)
 			prop.Items = &Item{Ref: &primName}
 		} else {
 			prop.Items = &Item{Ref: &elemName}
 		}
 		if !isPrimitive {
 			// add|overwrite model for element type
 			b.addModel(fieldType.Elem().Elem(), elemName)
 		}
 	} else {
 		// non-array, pointer type
 		fieldTypeName := b.keyFrom(fieldType.Elem())
 		var pType = b.jsonSchemaType(fieldTypeName) // no star, include pkg path
 		if b.isPrimitiveType(fieldTypeName) {
 			prop.Type = &pType
 			prop.Format = b.jsonSchemaFormat(fieldTypeName)
 			return jsonName, prop
 		}
 		prop.Ref = &pType
 		elemName := ""
 		if fieldType.Elem().Name() == "" {
 			elemName = modelName + "." + jsonName
 			prop.Ref = &elemName
 		}
 		b.addModel(fieldType.Elem(), elemName)
 	}
 	return jsonName, prop
 }

 func (b modelBuilder) getElementTypeName(modelName, jsonName string, t reflect.Type) string {
 	if t.Kind() == reflect.Ptr {
 		t = t.Elem()
 	}
 	if t.Name() == "" {
 		return modelName + "." + jsonName
 	}
 	return b.keyFrom(t)
 }

 func (b modelBuilder) keyFrom(st reflect.Type) string {
 	key := st.String()
 	if b.Config != nil && b.Config.ModelTypeNameHandler != nil {
 		if name, ok := b.Config.ModelTypeNameHandler(st); ok {
 			key = name
 		}
 	}
 	if len(st.Name()) == 0 { // unnamed type
 		// Swagger UI has special meaning for [
 		key = strings.Replace(key, "[]", "||", -1)
 	}
 	return key
 }

 // see also https://golang.org/ref/spec#Numeric_types
 func (b modelBuilder) isPrimitiveType(modelName string) bool {
 	if len(modelName) == 0 {
 		return false
 	}
 	return strings.Contains("uint uint8 uint16 uint32 uint64 int int8 int16 int32 int64 float32 float64 bool string byte rune time.Time", modelName)
 }

 // jsonNameOfField returns the name of the field as it should appear in JSON format
 // An empty string indicates that this field is not part of the JSON representation
 func (b modelBuilder) jsonNameOfField(field reflect.StructField) string {
 	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
 		s := strings.Split(jsonTag, ",")
 		if s[0] == "-" {
 			// empty name signals skip property
 			return ""
 		} else if s[0] != "" {
 			return s[0]
 		}
 	}
 	return field.Name
 }

 // see also http://json-schema.org/latest/json-schema-core.html#anchor8
 func (b modelBuilder) jsonSchemaType(modelName string) string {
 	schemaMap := map[string]string{
 		"uint":   "integer",
 		"uint8":  "integer",
 		"uint16": "integer",
 		"uint32": "integer",
 		"uint64": "integer",

 		"int":   "integer",
 		"int8":  "integer",
 		"int16": "integer",
 		"int32": "integer",
 		"int64": "integer",

 		"byte":      "integer",
 		"float64":   "number",
 		"float32":   "number",
 		"bool":      "boolean",
 		"time.Time": "string",
 	}
 	mapped, ok := schemaMap[modelName]
 	if !ok {
 		return modelName // use as is (custom or struct)
 	}
 	return mapped
 }

 func (b modelBuilder) jsonSchemaFormat(modelName string) string {
 	if b.Config != nil && b.Config.SchemaFormatHandler != nil {
 		if mapped := b.Config.SchemaFormatHandler(modelName); mapped != "" {
 			return mapped
 		}
 	}
 	schemaMap := map[string]string{
 		"int":        "int32",
 		"int32":      "int32",
 		"int64":      "int64",
 		"byte":       "byte",
 		"uint":       "integer",
 		"uint8":      "byte",
 		"float64":    "double",
 		"float32":    "float",
 		"time.Time":  "date-time",
 		"*time.Time": "date-time",
 	}
 	mapped, ok := schemaMap[modelName]
 	if !ok {
 		return "" // no format
 	}
 	return mapped
 }
	package swagger

	import (
	"encoding/json"
	"reflect"
	"strings"
	)

	// ModelBuildable is used for extending Structs that need more control over
	// how the Model appears in the Swagger api declaration.
	type ModelBuildable interface {
	PostBuildModel(m Model) Model
	}

	type modelBuilder struct {
	Models *ModelList
	Config *Config
	}

	type documentable interface {
	SwaggerDoc() map[string]string
	}

	// Check if this structure has a method with signature func (<theModel>) SwaggerDoc() map[string]string
	// If it exists, retrive the documentation and overwrite all struct tag descriptions
	func getDocFromMethodSwaggerDoc2(model reflect.Type) map[string]string {
	if docable, ok := reflect.New(model).Elem().Interface().(documentable); ok {
	return docable.SwaggerDoc()
	}
	return make(map[string]string)
	}

	// addModelFrom creates and adds a Model to the builder and detects and calls
	// the post build hook for customizations
	func (b modelBuilder) addModelFrom(sample interface{}) {
	if modelOrNil := b.addModel(reflect.TypeOf(sample), ""); modelOrNil != nil {
	// allow customizations
	if buildable, ok := sample.(ModelBuildable); ok {
	modelOrNil = buildable.PostBuildModel(modelOrNil)
	b.Models.Put(modelOrNil.Id, *modelOrNil)
	}
	}
	}

	func (b modelBuilder) addModel(st reflect.Type, nameOverride string) *Model {
	// Turn pointers into simpler types so further checks are
	// correct.
	if st.Kind() == reflect.Ptr {
	st = st.Elem()
	}

	modelName := b.keyFrom(st)
	if nameOverride != "" {
	modelName = nameOverride
	}
	// no models needed for primitive types
	if b.isPrimitiveType(modelName) {
	return nil
	}
	// golang encoding/json packages says array and slice values encode as
	// JSON arrays, except that []byte encodes as a base64-encoded string.
	// If we see a []byte here, treat it at as a primitive type (string)
	// and deal with it in buildArrayTypeProperty.
	if (st.Kind() == reflect.Slice \|\| st.Kind() == reflect.Array) &&
	st.Elem().Kind() == reflect.Uint8 {
	return nil
	}
	// see if we already have visited this model
	if _, ok := b.Models.At(modelName); ok {
	return nil
	}
	sm := Model{
	Id: modelName,
	Required: []string{},
	Properties: ModelPropertyList{}}

	// reference the model before further initializing (enables recursive structs)
	b.Models.Put(modelName, sm)

	// check for slice or array
	if st.Kind() == reflect.Slice \|\| st.Kind() == reflect.Array {
	b.addModel(st.Elem(), "")
	return &sm
	}
	// check for structure or primitive type
	if st.Kind() != reflect.Struct {
	return &sm
	}

	fullDoc := getDocFromMethodSwaggerDoc2(st)
	modelDescriptions := []string{}

	for i := 0; i < st.NumField(); i++ {
	field := st.Field(i)
	jsonName, modelDescription, prop := b.buildProperty(field, &sm, modelName)
	if len(modelDescription) > 0 {
	modelDescriptions = append(modelDescriptions, modelDescription)
	}

	// add if not omitted
	if len(jsonName) != 0 {
	// update description
	if fieldDoc, ok := fullDoc[jsonName]; ok {
	prop.Description = fieldDoc
	}
	// update Required
	if b.isPropertyRequired(field) {
	sm.Required = append(sm.Required, jsonName)
	}
	sm.Properties.Put(jsonName, prop)
	}
	}

	// We always overwrite documentation if SwaggerDoc method exists
	// "" is special for documenting the struct itself
	if modelDoc, ok := fullDoc[""]; ok {
	sm.Description = modelDoc
	} else if len(modelDescriptions) != 0 {
	sm.Description = strings.Join(modelDescriptions, "\n")
	}

	// update model builder with completed model
	b.Models.Put(modelName, sm)

	return &sm
	}

	func (b modelBuilder) isPropertyRequired(field reflect.StructField) bool {
	required := true
	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
	s := strings.Split(jsonTag, ",")
	if len(s) > 1 && s[1] == "omitempty" {
	return false
	}
	}
	return required
	}

	func (b modelBuilder) buildProperty(field reflect.StructField, model *Model, modelName string) (jsonName, modelDescription string, prop ModelProperty) {
	jsonName = b.jsonNameOfField(field)
	if len(jsonName) == 0 {
	// empty name signals skip property
	return "", "", prop
	}

	if field.Name == "XMLName" && field.Type.String() == "xml.Name" {
	// property is metadata for the xml.Name attribute, can be skipped
	return "", "", prop
	}

	if tag := field.Tag.Get("modelDescription"); tag != "" {
	modelDescription = tag
	}

	prop.setPropertyMetadata(field)
	if prop.Type != nil {
	return jsonName, modelDescription, prop
	}
	fieldType := field.Type

	// check if type is doing its own marshalling
	marshalerType := reflect.TypeOf((*json.Marshaler)(nil)).Elem()
	if fieldType.Implements(marshalerType) {
	var pType = "string"
	if prop.Type == nil {
	prop.Type = &pType
	}
	if prop.Format == "" {
	prop.Format = b.jsonSchemaFormat(b.keyFrom(fieldType))
	}
	return jsonName, modelDescription, prop
	}

	// check if annotation says it is a string
	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
	s := strings.Split(jsonTag, ",")
	if len(s) > 1 && s[1] == "string" {
	stringt := "string"
	prop.Type = &stringt
	return jsonName, modelDescription, prop
	}
	}

	fieldKind := fieldType.Kind()
	switch {
	case fieldKind == reflect.Struct:
	jsonName, prop := b.buildStructTypeProperty(field, jsonName, model)
	return jsonName, modelDescription, prop
	case fieldKind == reflect.Slice \|\| fieldKind == reflect.Array:
	jsonName, prop := b.buildArrayTypeProperty(field, jsonName, modelName)
	return jsonName, modelDescription, prop
	case fieldKind == reflect.Ptr:
	jsonName, prop := b.buildPointerTypeProperty(field, jsonName, modelName)
	return jsonName, modelDescription, prop
	case fieldKind == reflect.String:
	stringt := "string"
	prop.Type = &stringt
	return jsonName, modelDescription, prop
	case fieldKind == reflect.Map:
	// if it's a map, it's unstructured, and swagger 1.2 can't handle it
	objectType := "object"
	prop.Type = &objectType
	return jsonName, modelDescription, prop
	}

	fieldTypeName := b.keyFrom(fieldType)
	if b.isPrimitiveType(fieldTypeName) {
	mapped := b.jsonSchemaType(fieldTypeName)
	prop.Type = &mapped
	prop.Format = b.jsonSchemaFormat(fieldTypeName)
	return jsonName, modelDescription, prop
	}
	modelType := b.keyFrom(fieldType)
	prop.Ref = &modelType

	if fieldType.Name() == "" { // override type of anonymous structs
	nestedTypeName := modelName + "." + jsonName
	prop.Ref = &nestedTypeName
	b.addModel(fieldType, nestedTypeName)
	}
	return jsonName, modelDescription, prop
	}

	func hasNamedJSONTag(field reflect.StructField) bool {
	parts := strings.Split(field.Tag.Get("json"), ",")
	if len(parts) == 0 {
	return false
	}
	for _, s := range parts[1:] {
	if s == "inline" {
	return false
	}
	}
	return len(parts[0]) > 0
	}

	func (b modelBuilder) buildStructTypeProperty(field reflect.StructField, jsonName string, model *Model) (nameJson string, prop ModelProperty) {
	prop.setPropertyMetadata(field)
	// Check for type override in tag
	if prop.Type != nil {
	return jsonName, prop
	}
	fieldType := field.Type
	// check for anonymous
	if len(fieldType.Name()) == 0 {
	// anonymous
	anonType := model.Id + "." + jsonName
	b.addModel(fieldType, anonType)
	prop.Ref = &anonType
	return jsonName, prop
	}

	if field.Name == fieldType.Name() && field.Anonymous && !hasNamedJSONTag(field) {
	// embedded struct
	sub := modelBuilder{new(ModelList), b.Config}
	sub.addModel(fieldType, "")
	subKey := sub.keyFrom(fieldType)
	// merge properties from sub
	subModel, _ := sub.Models.At(subKey)
	subModel.Properties.Do(func(k string, v ModelProperty) {
	model.Properties.Put(k, v)
	// if subModel says this property is required then include it
	required := false
	for _, each := range subModel.Required {
	if k == each {
	required = true
	break
	}
	}
	if required {
	model.Required = append(model.Required, k)
	}
	})
	// add all new referenced models
	sub.Models.Do(func(key string, sub Model) {
	if key != subKey {
	if _, ok := b.Models.At(key); !ok {
	b.Models.Put(key, sub)
	}
	}
	})
	// empty name signals skip property
	return "", prop
	}
	// simple struct
	b.addModel(fieldType, "")
	var pType = b.keyFrom(fieldType)
	prop.Ref = &pType
	return jsonName, prop
	}

	func (b modelBuilder) buildArrayTypeProperty(field reflect.StructField, jsonName, modelName string) (nameJson string, prop ModelProperty) {
	// check for type override in tags
	prop.setPropertyMetadata(field)
	if prop.Type != nil {
	return jsonName, prop
	}
	fieldType := field.Type
	if fieldType.Elem().Kind() == reflect.Uint8 {
	stringt := "string"
	prop.Type = &stringt
	return jsonName, prop
	}
	var pType = "array"
	prop.Type = &pType
	isPrimitive := b.isPrimitiveType(fieldType.Elem().Name())
	elemTypeName := b.getElementTypeName(modelName, jsonName, fieldType.Elem())
	prop.Items = new(Item)
	if isPrimitive {
	mapped := b.jsonSchemaType(elemTypeName)
	prop.Items.Type = &mapped
	} else {
	prop.Items.Ref = &elemTypeName
	}
	// add\|overwrite model for element type
	if fieldType.Elem().Kind() == reflect.Ptr {
	fieldType = fieldType.Elem()
	}
	if !isPrimitive {
	b.addModel(fieldType.Elem(), elemTypeName)
	}
	return jsonName, prop
	}

	func (b modelBuilder) buildPointerTypeProperty(field reflect.StructField, jsonName, modelName string) (nameJson string, prop ModelProperty) {
	prop.setPropertyMetadata(field)
	// Check for type override in tags
	if prop.Type != nil {
	return jsonName, prop
	}
	fieldType := field.Type

	// override type of pointer to list-likes
	if fieldType.Elem().Kind() == reflect.Slice \|\| fieldType.Elem().Kind() == reflect.Array {
	var pType = "array"
	prop.Type = &pType
	isPrimitive := b.isPrimitiveType(fieldType.Elem().Elem().Name())
	elemName := b.getElementTypeName(modelName, jsonName, fieldType.Elem().Elem())
	if isPrimitive {
	primName := b.jsonSchemaType(elemName)
	prop.Items = &Item{Ref: &primName}
	} else {
	prop.Items = &Item{Ref: &elemName}
	}
	if !isPrimitive {
	// add\|overwrite model for element type
	b.addModel(fieldType.Elem().Elem(), elemName)
	}
	} else {
	// non-array, pointer type
	fieldTypeName := b.keyFrom(fieldType.Elem())
	var pType = b.jsonSchemaType(fieldTypeName) // no star, include pkg path
	if b.isPrimitiveType(fieldTypeName) {
	prop.Type = &pType
	prop.Format = b.jsonSchemaFormat(fieldTypeName)
	return jsonName, prop
	}
	prop.Ref = &pType
	elemName := ""
	if fieldType.Elem().Name() == "" {
	elemName = modelName + "." + jsonName
	prop.Ref = &elemName
	}
	b.addModel(fieldType.Elem(), elemName)
	}
	return jsonName, prop
	}

	func (b modelBuilder) getElementTypeName(modelName, jsonName string, t reflect.Type) string {
	if t.Kind() == reflect.Ptr {
	t = t.Elem()
	}
	if t.Name() == "" {
	return modelName + "." + jsonName
	}
	return b.keyFrom(t)
	}

	func (b modelBuilder) keyFrom(st reflect.Type) string {
	key := st.String()
	if b.Config != nil && b.Config.ModelTypeNameHandler != nil {
	if name, ok := b.Config.ModelTypeNameHandler(st); ok {
	key = name
	}
	}
	if len(st.Name()) == 0 { // unnamed type
	// Swagger UI has special meaning for [
	key = strings.Replace(key, "[]", "\|\|", -1)
	}
	return key
	}

	// see also https://golang.org/ref/spec#Numeric_types
	func (b modelBuilder) isPrimitiveType(modelName string) bool {
	if len(modelName) == 0 {
	return false
	}
	return strings.Contains("uint uint8 uint16 uint32 uint64 int int8 int16 int32 int64 float32 float64 bool string byte rune time.Time", modelName)
	}

	// jsonNameOfField returns the name of the field as it should appear in JSON format
	// An empty string indicates that this field is not part of the JSON representation
	func (b modelBuilder) jsonNameOfField(field reflect.StructField) string {
	if jsonTag := field.Tag.Get("json"); jsonTag != "" {
	s := strings.Split(jsonTag, ",")
	if s[0] == "-" {
	// empty name signals skip property
	return ""
	} else if s[0] != "" {
	return s[0]
	}
	}
	return field.Name
	}

	// see also http://json-schema.org/latest/json-schema-core.html#anchor8
	func (b modelBuilder) jsonSchemaType(modelName string) string {
	schemaMap := map[string]string{
	"uint": "integer",
	"uint8": "integer",
	"uint16": "integer",
	"uint32": "integer",
	"uint64": "integer",

	"int": "integer",
	"int8": "integer",
	"int16": "integer",
	"int32": "integer",
	"int64": "integer",

	"byte": "integer",
	"float64": "number",
	"float32": "number",
	"bool": "boolean",
	"time.Time": "string",
	}
	mapped, ok := schemaMap[modelName]
	if !ok {
	return modelName // use as is (custom or struct)
	}
	return mapped
	}

	func (b modelBuilder) jsonSchemaFormat(modelName string) string {
	if b.Config != nil && b.Config.SchemaFormatHandler != nil {
	if mapped := b.Config.SchemaFormatHandler(modelName); mapped != "" {
	return mapped
	}
	}
	schemaMap := map[string]string{
	"int": "int32",
	"int32": "int32",
	"int64": "int64",
	"byte": "byte",
	"uint": "integer",
	"uint8": "byte",
	"float64": "double",
	"float32": "float",
	"time.Time": "date-time",
	"*time.Time": "date-time",
	}
	mapped, ok := schemaMap[modelName]
	if !ok {
	return "" // no format
	}
	return mapped
	}