44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package config
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| 
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| import (
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| 	"fmt"
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| )
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| 
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| type ConfigContainer interface {
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| 	Set(key, val string) error
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| 	String(key string) string
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| 	Int(key string) (int, error)
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| 	Int64(key string) (int64, error)
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| 	Bool(key string) (bool, error)
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| 	Float(key string) (float64, error)
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| 	DIY(key string) (interface{}, error)
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| }
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| 
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| type Config interface {
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| 	Parse(key string) (ConfigContainer, error)
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| }
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| 
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| var adapters = make(map[string]Config)
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| 
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| // Register makes a config adapter available by the adapter name.
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| // If Register is called twice with the same name or if driver is nil,
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| // it panics.
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| func Register(name string, adapter Config) {
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| 	if adapter == nil {
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| 		panic("config: Register adapter is nil")
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| 	}
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| 	if _, dup := adapters[name]; dup {
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| 		panic("config: Register called twice for adapter " + name)
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| 	}
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| 	adapters[name] = adapter
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| }
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| 
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| // config need to be correct JSON as string: {"interval":360}
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| func NewConfig(adapterName, fileaname string) (ConfigContainer, error) {
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| 	adapter, ok := adapters[adapterName]
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| 	if !ok {
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| 		return nil, fmt.Errorf("config: unknown adaptername %q (forgotten import?)", adapterName)
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| 	}
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| 	return adapter.Parse(fileaname)
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| }
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