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annotate cmd/wfs/main.go @ 1602:e80e35b26f17

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WFS Capabilities parser: Wrote a custom xml.Unmarshaler to extract the namespaces of FeatureTypes, too. They are needed in GetFeature requests.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 17 Dec 2018 13:01:58 +0100
parents 658c1ebc1707
children 427f9010b4a9
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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 "flag"
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19 "fmt"
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20 "log"
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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 loadCapabilities(fname string) (*wfs.Capabilities, error) {
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27 f, err := os.Open(fname)
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28 if err != nil {
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29 return nil, err
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30 }
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31 defer f.Close()
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32 return wfs.ParseCapabilities(bufio.NewReader(f))
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33 }
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34
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35 func main() {
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36 flag.Parse()
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37
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38 for _, arg := range flag.Args() {
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39 caps, err := loadCapabilities(arg)
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40 if err != nil {
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41 log.Fatalf("error: %v\n", err)
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42 }
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43
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44 fmt.Println("service identification")
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45 fmt.Println("----------------------")
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46 fmt.Printf("title: %s\n", caps.ServiceIdentification.Title)
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47 var abstract string
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48 if len(caps.ServiceIdentification.Abstract) > 40 {
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49 abstract = fmt.Sprintf("%.40s...", caps.ServiceIdentification.Abstract)
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50 } else {
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51 abstract = caps.ServiceIdentification.Abstract
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52 }
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53 fmt.Printf("abstract: %s\n", abstract)
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54 if len(caps.ServiceIdentification.Keywords.Keywords) > 0 {
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55 fmt.Println("keywords:")
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56 for _, kw := range caps.ServiceIdentification.Keywords.Keywords {
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57 fmt.Printf("\t%s\n", kw.Value)
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58 }
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59 }
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60 fmt.Printf("type: %s\n", caps.ServiceIdentification.ServiceType)
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61 fmt.Printf("version: %s\n", caps.ServiceIdentification.ServiceTypeVersion)
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62 fmt.Println()
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63 fmt.Println("operations meta data")
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64 fmt.Println("--------------------")
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65 if len(caps.OperationsMetadata.Operations) > 0 {
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66 fmt.Println("operations:")
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67 for _, operation := range caps.OperationsMetadata.Operations {
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68 fmt.Printf("\t%s\n", operation.Name)
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69 if operation.DCP.HTTP.Get != nil {
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70 fmt.Printf("\t\tGet: %s\n", operation.DCP.HTTP.Get.HRef)
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71 }
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72 if operation.DCP.HTTP.Post != nil {
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73 fmt.Printf("\t\tPost: %s\n", operation.DCP.HTTP.Post.HRef)
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74 }
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75
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76 if len(operation.Parameters) > 0 {
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77 fmt.Println("\t\tparameters:")
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78 for _, p := range operation.Parameters {
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79 fmt.Printf("\t\t\tparameter: %s\n", p.Name)
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80 for _, av := range p.AllowedValues.Values {
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81 fmt.Printf("\t\t\t\t%s\n", av.Value)
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82 }
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83 }
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84 }
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85 if len(operation.Constraints) > 0 {
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86 fmt.Println("\t\tconstraints:")
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87 for _, c := range operation.Constraints {
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88 fmt.Printf("\t\t\tname: %s\n", c.Name)
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89 if c.DefaultValue != nil {
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90 fmt.Printf("\t\t\t\tdefault: %s\n", c.DefaultValue.Value)
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91 }
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92 if len(c.AllowedValues.Values) > 0 {
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93 fmt.Println("\t\t\tallowed values:")
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94 for _, av := range c.AllowedValues.Values {
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95 fmt.Printf("\t\t\t\t%s", av.Value)
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96 }
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97 }
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98 }
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99 }
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100 }
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101 }
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102 if len(caps.OperationsMetadata.Constraints) > 0 {
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103 fmt.Println("constraints:")
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104 for _, c := range caps.OperationsMetadata.Constraints {
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105 fmt.Printf("\tname: %s\n", c.Name)
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106 if c.DefaultValue != nil {
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107 fmt.Printf("\t\tdefault: %s\n", c.DefaultValue.Value)
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108 }
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109 if len(c.AllowedValues.Values) > 0 {
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110 fmt.Println("\tallowed values:")
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111 for _, av := range c.AllowedValues.Values {
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112 fmt.Printf("\t\t%s\n", av.Value)
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113 }
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114 }
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115 }
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116 }
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117 fmt.Println()
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118 fmt.Println("feature type list")
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119 fmt.Println("------------------")
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120 if len(caps.FeatureTypeList.FeatureTypes) > 0 {
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parents: 1599
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121 fmt.Println("features:")
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parents: 1599
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122 for _, ft := range caps.FeatureTypeList.FeatureTypes {
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parents: 1599
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123 fmt.Printf("\tname: %s\n", ft.Name)
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parents: 1599
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124 fmt.Printf("\ttitle: %s\n", ft.Title)
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parents: 1600
diff changeset
125 var abstract string
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parents: 1600
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126 if len(ft.Abstract) > 40 {
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parents: 1600
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127 abstract = fmt.Sprintf("%.40s...", ft.Abstract)
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parents: 1600
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128 } else {
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parents: 1600
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129 abstract = ft.Abstract
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parents: 1600
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130 }
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parents: 1600
diff changeset
131 fmt.Printf("\tabstract: %s\n", abstract)
1600
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parents: 1599
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132 fmt.Printf("\tdefault CRS: %s\n", ft.DefaultCRS)
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parents: 1599
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133 if len(ft.OtherCRSs) > 0 {
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parents: 1599
diff changeset
134 fmt.Println("\tother CRSs:")
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parents: 1599
diff changeset
135 for _, crs := range ft.OtherCRSs {
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parents: 1599
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136 fmt.Printf("\t\t%s\n", crs)
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parents: 1599
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137 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
138 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
139 if ft.WGS84BoundingBox != nil {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
140 fmt.Printf("\tWGS84 bounding box: (%s) - (%s)\n",
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
141 ft.WGS84BoundingBox.LowerCorner, ft.WGS84BoundingBox.UpperCorner)
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parents: 1599
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142 }
658c1ebc1707 WFS Capabilities parser: Parse FeatureTypeList, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
143 if len(ft.Keywords.Keywords) > 0 {
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parents: 1600
diff changeset
144 fmt.Println("\tkeywords:")
1600
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
145 for _, kw := range ft.Keywords.Keywords {
658c1ebc1707 WFS Capabilities parser: Parse FeatureTypeList, too.
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parents: 1599
diff changeset
146 fmt.Printf("\t\t%s\n", kw.Value)
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parents: 1599
diff changeset
147 }
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parents: 1599
diff changeset
148 }
1602
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parents: 1600
diff changeset
149 if len(ft.Namespaces) > 0 {
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parents: 1600
diff changeset
150 fmt.Println("\tnamespaces:")
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1600
diff changeset
151 for _, ns := range ft.Namespaces {
e80e35b26f17 WFS Capabilities parser: Wrote a custom xml.Unmarshaler to extract the namespaces of FeatureTypes, too. They are needed in GetFeature requests.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1600
diff changeset
152 fmt.Printf("\t\t%s:%s\n", ns.Space, ns.Local)
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parents: 1600
diff changeset
153 }
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parents: 1600
diff changeset
154 }
1600
658c1ebc1707 WFS Capabilities parser: Parse FeatureTypeList, too.
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parents: 1599
diff changeset
155 }
658c1ebc1707 WFS Capabilities parser: Parse FeatureTypeList, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1599
diff changeset
156 }
1596
74413d52c439 Started with WFS Capabilities parser.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 }
74413d52c439 Started with WFS Capabilities parser.
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parents:
diff changeset
158 }