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annotate pkg/common/attributes.go @ 1985:8eeb0b5eb340

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Imports: Made retries and the waiting between the attempts configurable.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 23 Jan 2019 17:58:57 +0100
parents 49e047c2106e
children 74e24ae3205a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package common
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15
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16 import (
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17 "log"
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18 "strconv"
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19 "strings"
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20 "time"
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21 )
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22
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23 // Attributes is a map of optional key/value attributes
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24 // of a configuration.
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25 type Attributes map[string]string
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26
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27 // Get fetches a value for given key out of the configuration.
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28 // If the key was not found the bool component of the return value
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29 // return false.
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30 func (ca Attributes) Get(key string) (string, bool) {
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31 if ca == nil {
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32 return "", false
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33 }
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34 value, found := ca[key]
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35 return value, found
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36 }
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37
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38 // Bool returns a bool value for a given key.
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39 func (ca Attributes) Bool(key string) bool {
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40 s, found := ca.Get(key)
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41 return found && strings.ToLower(s) == "true"
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42 }
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43
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44 // Time gives a time.Time for a given key.
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45 func (ca Attributes) Time(key string) (time.Time, bool) {
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46 s, found := ca.Get(key)
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47 if !found {
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48 return time.Time{}, false
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49 }
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50 t, err := time.Parse("2006-01-02T15:04:05", s)
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51 if err != nil {
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52 log.Printf("error: %v\n", err)
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53 return time.Time{}, false
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54 }
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55 return t, true
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56 }
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57
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58 func (ca Attributes) Int(key string) (int, bool) {
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59 s, found := ca.Get(key)
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60 if !found {
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61 return 0, false
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62 }
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63 i, err := strconv.Atoi(s)
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64 if err != nil {
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65 log.Printf("error: %v\n", err)
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66 return 0, false
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67 }
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68 return i, true
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69 }
1985
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70
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71 func (ca Attributes) Duration(key string) (time.Duration, bool) {
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72 s, found := ca.Get(key)
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73 if !found {
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74 return 0, false
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75 }
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76 d, err := time.ParseDuration(s)
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77 if err != nil {
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78 log.Printf("error: %v\n", err)
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79 return 0, false
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80 }
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81 return d, true
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82 }