Mercurial > gemma
annotate pkg/common/attributes.go @ 1791:0f98ef2531a5
importschedule: frontend for waterway gauges etd
author | Thomas Junk <thomas.junk@intevation.de> |
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date | Mon, 14 Jan 2019 12:09:34 +0100 |
parents | 49e047c2106e |
children | 8eeb0b5eb340 |
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 } |