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* MF-325 - Add SPDX license and copyright headers Signed-off-by: Ivan Milošević <iva@blokovi.com> * MF-325 - Add SPDX license and copyright headers Signed-off-by: Ivan Milošević <iva@blokovi.com> * MF-325 - Add SPDX license and copyright headers Signed-off-by: Ivan Milošević <iva@blokovi.com> * MF-325 - Add SPDX license and copyright headers Signed-off-by: Ivan Milošević <iva@blokovi.com> * MF-325 - Change mainflux version from 0.4.0 to 0.5.0 Signed-off-by: Ivan Milošević <iva@blokovi.com>
41 lines
747 B
Go
41 lines
747 B
Go
//
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// Copyright (c) 2018
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// Mainflux
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//
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// Copyright (c) 2018
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// Mainflux
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package things
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import (
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"strconv"
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)
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// IdentityProvider specifies an API for generating unique identifiers.
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type IdentityProvider interface {
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// ID generates the unique identifier.
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ID() string
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}
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// FromString extracts an unsigned integer from given string value. Since
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// unsigned integers are used for thing and channel identifiers, malformed
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// extraction will result in ErrNotFound error.
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func FromString(v string) (uint64, error) {
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base := 10
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bitSize := 64
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id, err := strconv.ParseUint(v, base, bitSize)
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if err != nil {
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return 0, ErrNotFound
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}
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return id, nil
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}
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