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annotate cmd/wfs/dump.go @ 1626:92da44ba610c

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WFS downloader: Parse into raw feature collections.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 19 Dec 2018 15:07:14 +0100
parents 943823d03d50
children 2dc7768be0e4
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 main
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15
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16 import (
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17 "bufio"
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18 "errors"
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19 "fmt"
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20 "io"
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21 "os"
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22
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23 "gemma.intevation.de/gemma/pkg/wfs"
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24 )
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25
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26 func parseFeatures(urls []string, defaultCRS string) error {
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27
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28 return wfs.DownloadURLs(urls, func(r io.Reader) error {
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29 rfc, err := wfs.ParseRawFeatureCollection(r)
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30 if err != nil {
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31 return err
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32 }
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33 var crsName string
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34 if rfc.Features == nil {
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35 return errors.New("no features given")
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36 }
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37 if rfc.CRS != nil {
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38 crsName = rfc.CRS.Properties.Name
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39 } else {
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40 crsName = defaultCRS
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41 }
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42 fmt.Printf("CRS: %s\n", crsName)
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43 types := map[string]struct{}{}
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44 for _, feature := range rfc.Features {
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45 types[feature.Geometry.Type] = struct{}{}
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46 }
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47 fmt.Printf("found types in %d features:\n", len(rfc.Features))
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48 for typ := range types {
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49 fmt.Printf("\t%s\n", typ)
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50 }
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51 return nil
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52 })
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53 }
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54
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55 func dumpURLs(urls []string) error {
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56 out := bufio.NewWriter(os.Stdout)
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57 if err := wfs.DownloadURLs(urls, func(r io.Reader) error {
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58 _, err := io.Copy(out, r)
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59 return err
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60 }); err != nil {
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61 return err
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62 }
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63 return out.Flush()
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64 }
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65
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66 func dump(caps *wfs.Capabilities) {
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67 fmt.Println("service identification")
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68 fmt.Println("----------------------")
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69 fmt.Printf("title: %s\n", caps.ServiceIdentification.Title)
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70 var abstract string
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71 if len(caps.ServiceIdentification.Abstract) > 40 {
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72 abstract = fmt.Sprintf("%.40s...", caps.ServiceIdentification.Abstract)
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73 } else {
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74 abstract = caps.ServiceIdentification.Abstract
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75 }
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76 fmt.Printf("abstract: %s\n", abstract)
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77 if len(caps.ServiceIdentification.Keywords.Keywords) > 0 {
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78 fmt.Println("keywords:")
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79 for _, kw := range caps.ServiceIdentification.Keywords.Keywords {
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80 fmt.Printf("\t%s\n", kw.Value)
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81 }
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82 }
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83 fmt.Printf("type: %s\n", caps.ServiceIdentification.ServiceType)
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84 fmt.Printf("version: %s\n", caps.ServiceIdentification.ServiceTypeVersion)
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85 fmt.Println()
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86 fmt.Println("operations meta data")
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87 fmt.Println("--------------------")
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88 if len(caps.OperationsMetadata.Operations) > 0 {
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89 fmt.Println("operations:")
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90 for _, operation := range caps.OperationsMetadata.Operations {
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91 fmt.Printf("\t%s\n", operation.Name)
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92 if operation.DCP.HTTP.Get != nil {
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93 fmt.Printf("\t\tGet: %s\n", operation.DCP.HTTP.Get.HRef)
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94 }
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95 if operation.DCP.HTTP.Post != nil {
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96 fmt.Printf("\t\tPost: %s\n", operation.DCP.HTTP.Post.HRef)
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97 }
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98
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99 if len(operation.Parameters) > 0 {
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100 fmt.Println("\t\tparameters:")
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101 for _, p := range operation.Parameters {
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102 fmt.Printf("\t\t\tparameter: %s\n", p.Name)
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103 for _, av := range p.AllowedValues.Values {
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104 fmt.Printf("\t\t\t\t%s\n", av.Value)
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105 }
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106 }
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107 }
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108 if len(operation.Constraints) > 0 {
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109 fmt.Println("\t\tconstraints:")
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110 for _, c := range operation.Constraints {
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111 fmt.Printf("\t\t\tname: %s\n", c.Name)
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112 if c.DefaultValue != nil {
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113 fmt.Printf("\t\t\t\tdefault: %s\n", c.DefaultValue.Value)
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parents:
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114 }
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parents:
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115 if len(c.AllowedValues.Values) > 0 {
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parents:
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116 fmt.Println("\t\t\tallowed values:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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117 for _, av := range c.AllowedValues.Values {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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118 fmt.Printf("\t\t\t\t%s", av.Value)
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parents:
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119 }
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parents:
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120 }
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parents:
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121 }
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parents:
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122 }
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parents:
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123 }
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parents:
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124 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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125 if len(caps.OperationsMetadata.Constraints) > 0 {
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parents:
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126 fmt.Println("constraints:")
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parents:
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127 for _, c := range caps.OperationsMetadata.Constraints {
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parents:
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128 fmt.Printf("\tname: %s\n", c.Name)
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parents:
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129 if c.DefaultValue != nil {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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130 fmt.Printf("\t\tdefault: %s\n", c.DefaultValue.Value)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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131 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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132 if len(c.AllowedValues.Values) > 0 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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133 fmt.Println("\tallowed values:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134 for _, av := range c.AllowedValues.Values {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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135 fmt.Printf("\t\t%s\n", av.Value)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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136 }
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parents:
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137 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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138 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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139 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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140 fmt.Println()
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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141 fmt.Println("feature type list")
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parents:
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142 fmt.Println("------------------")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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143 if len(caps.FeatureTypeList.FeatureTypes) > 0 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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144 fmt.Println("features:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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145 for _, ft := range caps.FeatureTypeList.FeatureTypes {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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146 fmt.Printf("\tname: %s\n", ft.Name)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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147 fmt.Printf("\ttitle: %s\n", ft.Title)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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148 var abstract string
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parents:
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149 if len(ft.Abstract) > 40 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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150 abstract = fmt.Sprintf("%.40s...", ft.Abstract)
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parents:
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151 } else {
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parents:
diff changeset
152 abstract = ft.Abstract
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parents:
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153 }
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parents:
diff changeset
154 fmt.Printf("\tabstract: %s\n", abstract)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 fmt.Printf("\tdefault CRS: %s\n", ft.DefaultCRS)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 if len(ft.OtherCRSs) > 0 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 fmt.Println("\tother CRSs:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 for _, crs := range ft.OtherCRSs {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 fmt.Printf("\t\t%s\n", crs)
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parents:
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160 }
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parents:
diff changeset
161 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 if ft.WGS84BoundingBox != nil {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 fmt.Printf("\tWGS84 bounding box: (%s) - (%s)\n",
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 ft.WGS84BoundingBox.LowerCorner, ft.WGS84BoundingBox.UpperCorner)
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parents:
diff changeset
165 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166 if len(ft.Keywords.Keywords) > 0 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 fmt.Println("\tkeywords:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 for _, kw := range ft.Keywords.Keywords {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 fmt.Printf("\t\t%s\n", kw.Value)
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parents:
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170 }
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parents:
diff changeset
171 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 if len(ft.Namespaces) > 0 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 fmt.Println("\tnamespaces:")
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parents:
diff changeset
174 for _, ns := range ft.Namespaces {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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175 fmt.Printf("\t\t%s:%s\n", ns.Space, ns.Local)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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176 }
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parents:
diff changeset
177 }
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parents:
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178 }
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parents:
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179 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 }