niki/vendor/github.com/go-openapi/spec/paths.go

// Copyright 2015 go-swagger maintainers

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//    http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

package spec

import (
	"encoding/json"
	"fmt"
	"strings"

	"github.com/go-openapi/swag"
)

// Paths holds the relative paths to the individual endpoints.

// The path is appended to the [`basePath`](http://goo.gl/8us55a#swaggerBasePath) in order

// to construct the full URL.

// The Paths may be empty, due to [ACL constraints](http://goo.gl/8us55a#securityFiltering).

//

// For more information: http://goo.gl/8us55a#pathsObject

type Paths struct {
	VendorExtensible

	Paths map[string]PathItem `json:"-"` // custom serializer to flatten this, each entry must start with "/"

}

// JSONLookup look up a value by the json property name

func (p Paths) JSONLookup(token string) (interface{}, error) {

	if pi, ok := p.Paths[token]; ok {

		return &pi, nil

	}

	if ex, ok := p.Extensions[token]; ok {

		return &ex, nil

	}

	return nil, fmt.Errorf("object has no field %q", token)

}

// UnmarshalJSON hydrates this items instance with the data from JSON

func (p *Paths) UnmarshalJSON(data []byte) error {

	var res map[string]json.RawMessage

	if err := json.Unmarshal(data, &res); err != nil {

		return err

	}

	for k, v := range res {

		if strings.HasPrefix(strings.ToLower(k), "x-") {

			if p.Extensions == nil {

				p.Extensions = make(map[string]interface{})

			}

			var d interface{}

			if err := json.Unmarshal(v, &d); err != nil {

				return err

			}

			p.Extensions[k] = d

		}

		if strings.HasPrefix(k, "/") {

			if p.Paths == nil {

				p.Paths = make(map[string]PathItem)

			}

			var pi PathItem

			if err := json.Unmarshal(v, &pi); err != nil {

				return err

			}

			p.Paths[k] = pi

		}

	}

	return nil

}

// MarshalJSON converts this items object to JSON

func (p Paths) MarshalJSON() ([]byte, error) {

	b1, err := json.Marshal(p.VendorExtensible)

	if err != nil {

		return nil, err

	}

	pths := make(map[string]PathItem)

	for k, v := range p.Paths {

		if strings.HasPrefix(k, "/") {

			pths[k] = v

		}

	}

	b2, err := json.Marshal(pths)

	if err != nil {

		return nil, err

	}

	concated := swag.ConcatJSON(b1, b2)

	return concated, nil

}