Mercurial > gemma

annotate misc/encode.go @ 391:13c5fc6cbaea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
docs: add map-data-flow.svg. * Add diagram to show how our proxy, geoserver and the external WFS and WMS servers will work together.
author Bernhard Reiter <bernhard@intevation.de>
date Mon, 13 Aug 2018 17:25:00 +0200
parents 999f4f83a072
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
1 package misc
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import (
386
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
4 "encoding/base64"
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 "encoding/binary"
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 "io"
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 )
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
9 type BinReader struct {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
10 io.Reader
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
11 Err error
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
14 func (r *BinReader) Read(buf []byte) (int, error) {
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
15 if r.Err != nil {
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
16 return 0, r.Err
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
17 }
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
18 var n int
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
19 n, r.Err = r.Read(buf)
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
20 return n, r.Err
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
21 }
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
22
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
23 func (r *BinReader) ReadBin(x interface{}) {
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
24 if r.Err == nil {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
25 r.Err = binary.Read(r.Reader, binary.BigEndian, x)
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
29 func (r *BinReader) ReadString(s *string) {
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
30 if r.Err != nil {
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 return
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 var l uint32
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
34 if r.Err = binary.Read(r.Reader, binary.BigEndian, &l); r.Err != nil {
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 return
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 b := make([]byte, l)
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
38 if r.Err = binary.Read(r.Reader, binary.BigEndian, b); r.Err != nil {
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 return
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 *s = string(b)
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
44 type BinWriter struct {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
45 io.Writer
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
46 Err error
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
49 func (w *BinWriter) Write(buf []byte) (int, error) {
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
50 if w.Err != nil {
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
51 return 0, w.Err
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
52 }
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
53 var n int
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
54 n, w.Err = w.Writer.Write(buf)
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
55 return n, w.Err
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
56 }
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
57
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
58 func (w *BinWriter) WriteBin(x interface{}) {
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
59 if w.Err == nil {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
60 w.Err = binary.Write(w.Writer, binary.BigEndian, x)
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
64 func (w *BinWriter) WriteString(s string) {
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
65 if w.Err == nil {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
66 w.Err = binary.Write(w.Writer, binary.BigEndian, uint32(len(s)))
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 }
339
33b59c848771 Factored out some miscellaneous code into own package.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 215
diff changeset
68 if w.Err == nil {
340
4c211ad5349e Embed Reader and Writer in BinReader and BinWriter to make API more distinct.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 339
diff changeset
69 w.Err = binary.Write(w.Writer, binary.BigEndian, []byte(s))
215
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 }
f345edb409b2 Made serialisation and deserialisation of sessions more robust (fixed a small bug on the way).
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71 }
386
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
72
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
73 func BasicAuth(user, password string) string {
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
74 auth := user + ":" + password
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
75 return base64.StdEncoding.EncodeToString([]byte(auth))
999f4f83a072 Configure GeoServer via REST-API. TODO: Configure layers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 340
diff changeset
76 }