42 lines
726 B
Go
42 lines
726 B
Go
package swag
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import (
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"errors"
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"sync"
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)
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// Name is a unique name be used to register swag instance.
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const Name = "swagger"
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var (
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swaggerMu sync.RWMutex
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swag Swagger
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)
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// Swagger is a interface to read swagger document.
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type Swagger interface {
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ReadDoc() string
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}
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// Register registers swagger for given name.
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func Register(name string, swagger Swagger) {
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swaggerMu.Lock()
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defer swaggerMu.Unlock()
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if swagger == nil {
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panic("swagger is nil")
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}
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if swag != nil {
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panic("Register called twice for swag: " + name)
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}
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swag = swagger
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}
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// ReadDoc reads swagger document.
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func ReadDoc() (string, error) {
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if swag != nil {
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return swag.ReadDoc(), nil
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}
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return "", errors.New("not yet registered swag")
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}
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