Mercurial > gemma

annotate pkg/wfs/download.go @ 1665:da0d1a19ebe6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fairway availability import: Made schedulable, too.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 23 Dec 2018 13:30:33 +0100
parents 92da44ba610c
children 6caf5cd6249e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 // This is Free Software under GNU Affero General Public License v >= 3.0
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2 // without warranty, see README.md and license for details.
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 //
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 // SPDX-License-Identifier: AGPL-3.0-or-later
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 // License-Filename: LICENSES/AGPL-3.0.txt
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 //
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 // Copyright (C) 2018 by via donau
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 // – Österreichische Wasserstraßen-Gesellschaft mbH
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 // Software engineering by Intevation GmbH
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 //
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 // Author(s):
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 package wfs
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 import (
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 "bufio"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 "encoding/xml"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 "errors"
1614
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
20 "fmt"
1624
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
21 "io"
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 "log"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 "net/http"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 "net/url"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 "strconv"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 "golang.org/x/net/html/charset"
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 )
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 var (
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
31 ErrNoSuchFeatureType = errors.New("No such feature type")
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
32 ErrGetFeatureNotSupported = errors.New("GetFeature not supported")
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
33 ErrMethodGetNotSupported = errors.New("GET not supported")
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
34 ErrNoNumberMatchedFound = errors.New("No numberMatched attribute found")
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
35 ErrOutputFormatNotSupported = errors.New("Output format not supported")
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 )
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 func GetCapabilities(capURL string) (*Capabilities, error) {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 base, err := url.Parse(capURL)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 if err != nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 return nil, err
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 v := url.Values{}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 v.Set("SERVICE", "WFS")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 v.Set("REQUEST", "GetCapabilities")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 v.Set("ACCEPTVERSIONS", "2.0.0,1.1.0,1.0.0")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 base.RawQuery = v.Encode()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 baseURL := base.String()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 resp, err := http.Get(baseURL)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 if err != nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 return nil, err
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 defer resp.Body.Close()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 caps, err := ParseCapabilities(bufio.NewReader(resp.Body))
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 if err == nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 caps.BaseURL = baseURL
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 return caps, err
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 func numberFeaturesGET(u *url.URL, featureType, version string) (int, error) {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 v := url.Values{}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66 v.Set("SERVICE", "WFS")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 v.Set("REQUEST", "GetFeature")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 v.Set("resultType", "hits")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 v.Set("VERSION", version)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 v.Set("TYPENAMES", featureType)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72 q := *u
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 q.RawQuery = v.Encode()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 resp, err := http.Get(q.String())
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 if err != nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 return 0, err
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 defer resp.Body.Close()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 dec := xml.NewDecoder(resp.Body)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 dec.CharsetReader = charset.NewReaderLabel
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 var result struct {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 NumberMatched *int `xml:"numberMatched,attr"`
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 if err := dec.Decode(&result); err != nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 return 0, err
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
90
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
91 if result.NumberMatched == nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
92 return 0, ErrNoNumberMatchedFound
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
93 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
94
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
95 return *result.NumberMatched, nil
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
96 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
97
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
98 func GetFeaturesGET(
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
99 caps *Capabilities,
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
100 featureTypeName,
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
101 outputFormat string,
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
102 sortBy string,
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
103 ) ([]string, error) {
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
104
1614
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
105 feature := caps.FindFeatureType(featureTypeName)
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
106 if feature == nil {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
107 return nil, ErrNoSuchFeatureType
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
108 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
109 op := caps.FindOperation("GetFeature")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
110 if op == nil {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
111 return nil, ErrGetFeatureNotSupported
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
112 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
113
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
114 if op.DCP.HTTP.Get == nil {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
115 return nil, ErrMethodGetNotSupported
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
116 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
117
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
118 getRaw := op.DCP.HTTP.Get.HRef
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119 getU, err := url.Parse(getRaw)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
120 if err != nil {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
121 return nil, err
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
122 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 // The URL could be relative so resolve against Capabilities URL.
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124 if !getU.IsAbs() {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125 base, err := url.Parse(caps.BaseURL)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 if err != nil {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
127 return nil, err
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
129 getU = getU.ResolveReference(base)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
130 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
131
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
132 if !op.SupportsOutputFormat(outputFormat) {
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
133 return nil, ErrOutputFormatNotSupported
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
134 }
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
135
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 wfsVersion := caps.HighestWFSVersion(WFS2_0_0)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138 featuresPerPage, supportsPaging := op.FeaturesPerPage()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 var numFeatures int
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 if supportsPaging {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 log.Printf("Paging supported with %d feature per page.\n",
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 featuresPerPage)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 if !op.SupportsHits() {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
147 supportsPaging = false
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 } else {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 numFeatures, err = numberFeaturesGET(getU, featureTypeName, wfsVersion)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150 if err != nil {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 log.Printf("error: %v\n", err)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 supportsPaging = false
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 } else {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 log.Printf("Number of features: %d\n", numFeatures)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 var downloadURLs []string
1614
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
160 wfs2 := !versionIsLess(wfsVersion, WFS2_0_0)
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
161
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
162 addNS := func(v url.Values) {
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
163 if len(feature.Namespaces) == 0 {
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
164 return
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
165 }
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
166 // Only use first namespace
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
167 ns := feature.Namespaces[0]
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
168 if wfs2 {
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
169 v.Set("NAMESPACES", fmt.Sprintf("(%s,%s)", ns.Space, ns.Local))
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
170 } else {
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
171 v.Set("NAMESPACE", fmt.Sprintf("(%s:%s)", ns.Space, ns.Local))
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
172 }
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
173 }
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
175 addOutputFormat := func(v url.Values) {
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
176 if outputFormat != "" {
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
177 v.Set("outputFormat", outputFormat)
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
178 }
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
179 }
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
180
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
181 addSortBy := func(v url.Values) {
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
182 if sortBy != "" {
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
183 v.Set("sortBy", sortBy)
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
184 }
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
185 }
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
186
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 if supportsPaging {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 pagedURL := func(ofs, count int) string {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 v := url.Values{}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 v.Set("SERVICE", "WFS")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 v.Set("REQUEST", "GetFeature")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 v.Set("VERSION", wfsVersion)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 v.Set("startIndex", strconv.Itoa(ofs))
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 if wfs2 {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 v.Set("count", strconv.Itoa(count))
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 } else {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 v.Set("maxFeatures", strconv.Itoa(count))
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 v.Set("TYPENAMES", featureTypeName)
1614
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
200 addNS(v)
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
201 addOutputFormat(v)
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
202 addSortBy(v)
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 q := *getU
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 q.RawQuery = v.Encode()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 return q.String()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 if numFeatures <= featuresPerPage {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 log.Println("All features can be fetched in one page")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 downloadURLs = []string{pagedURL(0, numFeatures)}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 } else {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 log.Println("Features need to be downloaded in pages.")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 for pos := 0; pos < numFeatures; {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 var count int
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 if rest := numFeatures - pos; rest >= numFeatures {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 count = numFeatures
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216 } else {
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 count = rest
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 downloadURLs = append(downloadURLs, pagedURL(pos, count))
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 pos += count
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 } else { // No paging support.
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 v := url.Values{}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 v.Set("SERVICE", "WFS")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 v.Set("REQUEST", "GetFeature")
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 v.Set("VERSION", wfsVersion)
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
228 v.Set("TYPENAMES", featureTypeName)
1614
efc409e330a6 WFS downloader: Propagate namespaces of feature type into GetFeature request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1608
diff changeset
229 addNS(v)
1616
f59550310143 WFS downloader: Support different feature output formats.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1614
diff changeset
230 addOutputFormat(v)
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
231 addSortBy(v)
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 q := *getU
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
233 q.RawQuery = v.Encode()
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
234 downloadURLs = []string{q.String()}
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 }
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236
1619
3093bab05c81 WFS downloader: Dump features to stdout for testing purposes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1616
diff changeset
237 return downloadURLs, nil
1608
427f9010b4a9 WFS download: Started with GET downloader (paged and unpaged).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
238 }
1624
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
239
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
240 func downloadURL(url string, handler func(io.Reader) error) error {
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
241 resp, err := http.Get(url)
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
242 if err != nil {
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
243 return err
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
244 }
1626
92da44ba610c WFS downloader: Parse into raw feature collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1624
diff changeset
245 if resp.StatusCode < 200 || resp.StatusCode > 299 {
92da44ba610c WFS downloader: Parse into raw feature collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1624
diff changeset
246 return fmt.Errorf("Invalid HTTP status code: %d (%s)",
92da44ba610c WFS downloader: Parse into raw feature collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1624
diff changeset
247 resp.StatusCode, resp.Status)
92da44ba610c WFS downloader: Parse into raw feature collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1624
diff changeset
248 }
1624
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
249 defer resp.Body.Close()
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
250 return handler(resp.Body)
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
251 }
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
252
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
253 func DownloadURLs(urls []string, handler func(io.Reader) error) error {
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
254 for _, url := range urls {
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
255 if err := downloadURL(url, handler); err != nil {
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
256 return nil
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
257 }
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
258 }
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
259 return nil
943823d03d50 WFS downloader: Started with mapping return features to Go structs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1619
diff changeset
260 }