1 // Copyright 2015 go-swagger maintainers
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
23 "github.com/go-openapi/jsonpointer"
24 "github.com/go-openapi/swag"
27 // BooleanProperty creates a boolean property
28 func BooleanProperty() *Schema {
29 return &Schema{SchemaProps: SchemaProps{Type: []string{"boolean"}}}
32 // BoolProperty creates a boolean property
33 func BoolProperty() *Schema { return BooleanProperty() }
35 // StringProperty creates a string property
36 func StringProperty() *Schema {
37 return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}}}
40 // CharProperty creates a string property
41 func CharProperty() *Schema {
42 return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}}}
45 // Float64Property creates a float64/double property
46 func Float64Property() *Schema {
47 return &Schema{SchemaProps: SchemaProps{Type: []string{"number"}, Format: "double"}}
50 // Float32Property creates a float32/float property
51 func Float32Property() *Schema {
52 return &Schema{SchemaProps: SchemaProps{Type: []string{"number"}, Format: "float"}}
55 // Int8Property creates an int8 property
56 func Int8Property() *Schema {
57 return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int8"}}
60 // Int16Property creates an int16 property
61 func Int16Property() *Schema {
62 return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int16"}}
65 // Int32Property creates an int32 property
66 func Int32Property() *Schema {
67 return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int32"}}
70 // Int64Property creates an int64 property
71 func Int64Property() *Schema {
72 return &Schema{SchemaProps: SchemaProps{Type: []string{"integer"}, Format: "int64"}}
75 // StrFmtProperty creates a property for the named string format
76 func StrFmtProperty(format string) *Schema {
77 return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: format}}
80 // DateProperty creates a date property
81 func DateProperty() *Schema {
82 return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: "date"}}
85 // DateTimeProperty creates a date time property
86 func DateTimeProperty() *Schema {
87 return &Schema{SchemaProps: SchemaProps{Type: []string{"string"}, Format: "date-time"}}
90 // MapProperty creates a map property
91 func MapProperty(property *Schema) *Schema {
92 return &Schema{SchemaProps: SchemaProps{Type: []string{"object"},
93 AdditionalProperties: &SchemaOrBool{Allows: true, Schema: property}}}
96 // RefProperty creates a ref property
97 func RefProperty(name string) *Schema {
98 return &Schema{SchemaProps: SchemaProps{Ref: MustCreateRef(name)}}
101 // RefSchema creates a ref property
102 func RefSchema(name string) *Schema {
103 return &Schema{SchemaProps: SchemaProps{Ref: MustCreateRef(name)}}
106 // ArrayProperty creates an array property
107 func ArrayProperty(items *Schema) *Schema {
109 return &Schema{SchemaProps: SchemaProps{Type: []string{"array"}}}
111 return &Schema{SchemaProps: SchemaProps{Items: &SchemaOrArray{Schema: items}, Type: []string{"array"}}}
114 // ComposedSchema creates a schema with allOf
115 func ComposedSchema(schemas ...Schema) *Schema {
121 // SchemaURL represents a schema url
122 type SchemaURL string
124 // MarshalJSON marshal this to JSON
125 func (r SchemaURL) MarshalJSON() ([]byte, error) {
127 return []byte("{}"), nil
129 v := map[string]interface{}{"$schema": string(r)}
130 return json.Marshal(v)
133 // UnmarshalJSON unmarshal this from JSON
134 func (r *SchemaURL) UnmarshalJSON(data []byte) error {
135 var v map[string]interface{}
136 if err := json.Unmarshal(data, &v); err != nil {
142 func (r *SchemaURL) fromMap(v map[string]interface{}) error {
146 if vv, ok := v["$schema"]; ok {
147 if str, ok := vv.(string); ok {
148 u, err := url.Parse(str)
153 *r = SchemaURL(u.String())
159 // SchemaProps describes a JSON schema (draft 4)
160 type SchemaProps struct {
161 ID string `json:"id,omitempty"`
163 Schema SchemaURL `json:"-"`
164 Description string `json:"description,omitempty"`
165 Type StringOrArray `json:"type,omitempty"`
166 Format string `json:"format,omitempty"`
167 Title string `json:"title,omitempty"`
168 Default interface{} `json:"default,omitempty"`
169 Maximum *float64 `json:"maximum,omitempty"`
170 ExclusiveMaximum bool `json:"exclusiveMaximum,omitempty"`
171 Minimum *float64 `json:"minimum,omitempty"`
172 ExclusiveMinimum bool `json:"exclusiveMinimum,omitempty"`
173 MaxLength *int64 `json:"maxLength,omitempty"`
174 MinLength *int64 `json:"minLength,omitempty"`
175 Pattern string `json:"pattern,omitempty"`
176 MaxItems *int64 `json:"maxItems,omitempty"`
177 MinItems *int64 `json:"minItems,omitempty"`
178 UniqueItems bool `json:"uniqueItems,omitempty"`
179 MultipleOf *float64 `json:"multipleOf,omitempty"`
180 Enum []interface{} `json:"enum,omitempty"`
181 MaxProperties *int64 `json:"maxProperties,omitempty"`
182 MinProperties *int64 `json:"minProperties,omitempty"`
183 Required []string `json:"required,omitempty"`
184 Items *SchemaOrArray `json:"items,omitempty"`
185 AllOf []Schema `json:"allOf,omitempty"`
186 OneOf []Schema `json:"oneOf,omitempty"`
187 AnyOf []Schema `json:"anyOf,omitempty"`
188 Not *Schema `json:"not,omitempty"`
189 Properties map[string]Schema `json:"properties,omitempty"`
190 AdditionalProperties *SchemaOrBool `json:"additionalProperties,omitempty"`
191 PatternProperties map[string]Schema `json:"patternProperties,omitempty"`
192 Dependencies Dependencies `json:"dependencies,omitempty"`
193 AdditionalItems *SchemaOrBool `json:"additionalItems,omitempty"`
194 Definitions Definitions `json:"definitions,omitempty"`
197 // SwaggerSchemaProps are additional properties supported by swagger schemas, but not JSON-schema (draft 4)
198 type SwaggerSchemaProps struct {
199 Discriminator string `json:"discriminator,omitempty"`
200 ReadOnly bool `json:"readOnly,omitempty"`
201 XML *XMLObject `json:"xml,omitempty"`
202 ExternalDocs *ExternalDocumentation `json:"externalDocs,omitempty"`
203 Example interface{} `json:"example,omitempty"`
206 // Schema the schema object allows the definition of input and output data types.
207 // These types can be objects, but also primitives and arrays.
208 // This object is based on the [JSON Schema Specification Draft 4](http://json-schema.org/)
209 // and uses a predefined subset of it.
210 // On top of this subset, there are extensions provided by this specification to allow for more complete documentation.
212 // For more information: http://goo.gl/8us55a#schemaObject
217 ExtraProps map[string]interface{} `json:"-"`
220 // JSONLookup implements an interface to customize json pointer lookup
221 func (s Schema) JSONLookup(token string) (interface{}, error) {
222 if ex, ok := s.Extensions[token]; ok {
226 if ex, ok := s.ExtraProps[token]; ok {
230 r, _, err := jsonpointer.GetForToken(s.SchemaProps, token)
231 if r != nil || (err != nil && !strings.HasPrefix(err.Error(), "object has no field")) {
234 r, _, err = jsonpointer.GetForToken(s.SwaggerSchemaProps, token)
238 // WithID sets the id for this schema, allows for chaining
239 func (s *Schema) WithID(id string) *Schema {
244 // WithTitle sets the title for this schema, allows for chaining
245 func (s *Schema) WithTitle(title string) *Schema {
250 // WithDescription sets the description for this schema, allows for chaining
251 func (s *Schema) WithDescription(description string) *Schema {
252 s.Description = description
256 // WithProperties sets the properties for this schema
257 func (s *Schema) WithProperties(schemas map[string]Schema) *Schema {
258 s.Properties = schemas
262 // SetProperty sets a property on this schema
263 func (s *Schema) SetProperty(name string, schema Schema) *Schema {
264 if s.Properties == nil {
265 s.Properties = make(map[string]Schema)
267 s.Properties[name] = schema
271 // WithAllOf sets the all of property
272 func (s *Schema) WithAllOf(schemas ...Schema) *Schema {
277 // WithMaxProperties sets the max number of properties an object can have
278 func (s *Schema) WithMaxProperties(max int64) *Schema {
279 s.MaxProperties = &max
283 // WithMinProperties sets the min number of properties an object must have
284 func (s *Schema) WithMinProperties(min int64) *Schema {
285 s.MinProperties = &min
289 // Typed sets the type of this schema for a single value item
290 func (s *Schema) Typed(tpe, format string) *Schema {
291 s.Type = []string{tpe}
296 // AddType adds a type with potential format to the types for this schema
297 func (s *Schema) AddType(tpe, format string) *Schema {
298 s.Type = append(s.Type, tpe)
305 // CollectionOf a fluent builder method for an array parameter
306 func (s *Schema) CollectionOf(items Schema) *Schema {
307 s.Type = []string{jsonArray}
308 s.Items = &SchemaOrArray{Schema: &items}
312 // WithDefault sets the default value on this parameter
313 func (s *Schema) WithDefault(defaultValue interface{}) *Schema {
314 s.Default = defaultValue
318 // WithRequired flags this parameter as required
319 func (s *Schema) WithRequired(items ...string) *Schema {
324 // AddRequired adds field names to the required properties array
325 func (s *Schema) AddRequired(items ...string) *Schema {
326 s.Required = append(s.Required, items...)
330 // WithMaxLength sets a max length value
331 func (s *Schema) WithMaxLength(max int64) *Schema {
336 // WithMinLength sets a min length value
337 func (s *Schema) WithMinLength(min int64) *Schema {
342 // WithPattern sets a pattern value
343 func (s *Schema) WithPattern(pattern string) *Schema {
348 // WithMultipleOf sets a multiple of value
349 func (s *Schema) WithMultipleOf(number float64) *Schema {
350 s.MultipleOf = &number
354 // WithMaximum sets a maximum number value
355 func (s *Schema) WithMaximum(max float64, exclusive bool) *Schema {
357 s.ExclusiveMaximum = exclusive
361 // WithMinimum sets a minimum number value
362 func (s *Schema) WithMinimum(min float64, exclusive bool) *Schema {
364 s.ExclusiveMinimum = exclusive
368 // WithEnum sets a the enum values (replace)
369 func (s *Schema) WithEnum(values ...interface{}) *Schema {
370 s.Enum = append([]interface{}{}, values...)
374 // WithMaxItems sets the max items
375 func (s *Schema) WithMaxItems(size int64) *Schema {
380 // WithMinItems sets the min items
381 func (s *Schema) WithMinItems(size int64) *Schema {
386 // UniqueValues dictates that this array can only have unique items
387 func (s *Schema) UniqueValues() *Schema {
392 // AllowDuplicates this array can have duplicates
393 func (s *Schema) AllowDuplicates() *Schema {
394 s.UniqueItems = false
398 // AddToAllOf adds a schema to the allOf property
399 func (s *Schema) AddToAllOf(schemas ...Schema) *Schema {
400 s.AllOf = append(s.AllOf, schemas...)
404 // WithDiscriminator sets the name of the discriminator field
405 func (s *Schema) WithDiscriminator(discriminator string) *Schema {
406 s.Discriminator = discriminator
410 // AsReadOnly flags this schema as readonly
411 func (s *Schema) AsReadOnly() *Schema {
416 // AsWritable flags this schema as writeable (not read-only)
417 func (s *Schema) AsWritable() *Schema {
422 // WithExample sets the example for this schema
423 func (s *Schema) WithExample(example interface{}) *Schema {
428 // WithExternalDocs sets/removes the external docs for/from this schema.
429 // When you pass empty strings as params the external documents will be removed.
430 // When you pass non-empty string as one value then those values will be used on the external docs object.
431 // So when you pass a non-empty description, you should also pass the url and vice versa.
432 func (s *Schema) WithExternalDocs(description, url string) *Schema {
433 if description == "" && url == "" {
438 if s.ExternalDocs == nil {
439 s.ExternalDocs = &ExternalDocumentation{}
441 s.ExternalDocs.Description = description
442 s.ExternalDocs.URL = url
446 // WithXMLName sets the xml name for the object
447 func (s *Schema) WithXMLName(name string) *Schema {
449 s.XML = new(XMLObject)
455 // WithXMLNamespace sets the xml namespace for the object
456 func (s *Schema) WithXMLNamespace(namespace string) *Schema {
458 s.XML = new(XMLObject)
460 s.XML.Namespace = namespace
464 // WithXMLPrefix sets the xml prefix for the object
465 func (s *Schema) WithXMLPrefix(prefix string) *Schema {
467 s.XML = new(XMLObject)
469 s.XML.Prefix = prefix
473 // AsXMLAttribute flags this object as xml attribute
474 func (s *Schema) AsXMLAttribute() *Schema {
476 s.XML = new(XMLObject)
478 s.XML.Attribute = true
482 // AsXMLElement flags this object as an xml node
483 func (s *Schema) AsXMLElement() *Schema {
485 s.XML = new(XMLObject)
487 s.XML.Attribute = false
491 // AsWrappedXML flags this object as wrapped, this is mostly useful for array types
492 func (s *Schema) AsWrappedXML() *Schema {
494 s.XML = new(XMLObject)
500 // AsUnwrappedXML flags this object as an xml node
501 func (s *Schema) AsUnwrappedXML() *Schema {
503 s.XML = new(XMLObject)
505 s.XML.Wrapped = false
509 // MarshalJSON marshal this to JSON
510 func (s Schema) MarshalJSON() ([]byte, error) {
511 b1, err := json.Marshal(s.SchemaProps)
513 return nil, fmt.Errorf("schema props %v", err)
515 b2, err := json.Marshal(s.VendorExtensible)
517 return nil, fmt.Errorf("vendor props %v", err)
519 b3, err := s.Ref.MarshalJSON()
521 return nil, fmt.Errorf("ref prop %v", err)
523 b4, err := s.Schema.MarshalJSON()
525 return nil, fmt.Errorf("schema prop %v", err)
527 b5, err := json.Marshal(s.SwaggerSchemaProps)
529 return nil, fmt.Errorf("common validations %v", err)
532 if s.ExtraProps != nil {
533 jj, err := json.Marshal(s.ExtraProps)
535 return nil, fmt.Errorf("extra props %v", err)
539 return swag.ConcatJSON(b1, b2, b3, b4, b5, b6), nil
542 // UnmarshalJSON marshal this from JSON
543 func (s *Schema) UnmarshalJSON(data []byte) error {
548 if err := json.Unmarshal(data, &props); err != nil {
553 SchemaProps: props.SchemaProps,
554 SwaggerSchemaProps: props.SwaggerSchemaProps,
557 var d map[string]interface{}
558 if err := json.Unmarshal(data, &d); err != nil {
562 _ = sch.Ref.fromMap(d)
563 _ = sch.Schema.fromMap(d)
567 for _, pn := range swag.DefaultJSONNameProvider.GetJSONNames(s) {
571 for k, vv := range d {
572 lk := strings.ToLower(k)
573 if strings.HasPrefix(lk, "x-") {
574 if sch.Extensions == nil {
575 sch.Extensions = map[string]interface{}{}
577 sch.Extensions[k] = vv
580 if sch.ExtraProps == nil {
581 sch.ExtraProps = map[string]interface{}{}
583 sch.ExtraProps[k] = vv