Last modified by Robert Jan Daams on 2025/02/04 11:46
From version 1.1 >
edited by Robert Jan Daams
on 2025/02/04 10:59
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edited by Robert Jan Daams
on 2025/02/04 11:46
>
Change comment: Uploaded new attachment "1738665966138-176.png", version {1}

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Title
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1 -For customers
1 +Setting up API communication by REST services with TerraIndex for customers
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1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
4 +
5 += Usefull code snippets =
6 +
7 +== C# .NET ==
8 +
9 +== Zip Stream class ==
10 +
11 +{{info}}
12 +This is a Zip Stream class you can use to extract a zipstream.
13 +{{/info}}
14 +
15 +{{code language="Csharp" layout="LINENUMBERS"}}
16 +/// <summary>
17 +/// Helper class for compress en decompress of file data
18 +/// </summary>
19 +public static class ZipStreamHelper {
20 + #region Compress and encode
21 + /// <summary>
22 + /// Comprimeer een string en geeft deze terug in Base64 string.
23 + /// </summary>
24 + /// <param name="content">filecontent</param>
25 + /// <returns>gecomprimeerde string</returns>
26 + public static string CompressToBase64String(string content) {
27 + //string to byte[]
28 + byte[] contentArray = stringToByteArray(content);
29 + // Compress
30 + byte[] compressed = Compress(contentArray);
31 + return base64_encode(compressed);
32 + }
33 +
34 + /// <summary>
35 + /// Zet een string om naar een ByteArray
36 + /// </summary>
37 + /// <param name="content">filecontent</param>
38 + /// <returns>ByteArray</returns>
39 + public static byte[] stringToByteArray(string content) {
40 + System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
41 + return encoding.GetBytes(content);
42 + }
43 +
44 + /// <summary>
45 + /// comprimeer een ByteArray
46 + /// </summary>
47 + /// <param name="data">filedata als ByteArray</param>
48 + /// <returns>gecomprimeerde ByteArray</returns>
49 + public static byte[] Compress(byte[] data) {
50 + using(var compressedStream = new MemoryStream())
51 + using(var zipStream = new GZipStream(compressedStream, CompressionMode.Compress)) {
52 + zipStream.Write(data, 0, data.Length);
53 + zipStream.Close();
54 + return compressedStream.ToArray();
55 + }
56 + }
57 +
58 + /// <summary>
59 + /// Zet een ByteArray om naar een Base64 string
60 + /// </summary>
61 + /// <param name="data">gecomprimeerde ByteArray</param>
62 + /// <returns>Base 64 string</returns>
63 + public static string base64_encode(byte[] data) {
64 + if (data == null)
65 + return string.Empty;
66 + return Convert.ToBase64String(data);
67 + }
68 +
69 + /// <summary>
70 + /// Zet een string om naar een Base64 string
71 + /// </summary>
72 + /// <param name="data">string</param>
73 + /// <returns>Base 64 string</returns>
74 + public static string string_base64_encode(string data) {
75 + if (string.IsNullOrEmpty(data))
76 + return string.Empty;
77 +
78 + //string to byte[]
79 + byte[] contentArray = stringToByteArray(data);
80 + return base64_encode(contentArray);
81 + }
82 + #endregion
83 +
84 + #region Decompress and decode
85 + // Decode and decompress
86 + /// <summary>
87 + /// Decomprimeer een Base64 string naar een string
88 + /// </summary>
89 + /// <param name="contentBase64">GZIP Base64 string</param>
90 + /// <returns>string</returns>
91 + public static string DecompressBase64StringToString(string contentBase64) {
92 + // Decompress
93 + byte[] decoded = base64_decode(contentBase64);
94 + byte[] decompressed = Decompress(decoded);
95 +
96 + return byteArrayTostring(decompressed);
97 + }
98 +
99 + /// <summary>
100 + /// Zet een ByteArray om in een normale string
101 + /// </summary>
102 + /// <param name="data">ByteArray</param>
103 + /// <returns>string</returns>
104 + public static string byteArrayTostring(byte[] data) {
105 + System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
106 + return enc.GetString(data);
107 + }
108 +
109 + /// <summary>
110 + /// Zet een Base64 string om naar een ByteArray
111 + /// </summary>
112 + /// <param name="encodedData">Base64 string</param>
113 + /// <returns>gecomprimeerde ByteArray</returns>
114 + public static byte[] base64_decode(string encodedData) {
115 + byte[] encodedDataAsBytes = Convert.FromBase64String(encodedData);
116 + return encodedDataAsBytes;
117 + }
118 +
119 + /// <summary>
120 + /// Zet een gecomprimeerde ByteArray om in een ByteArray
121 + /// </summary>
122 + /// <param name="data">gecomprimeerde ByteArray</param>
123 + /// <returns>ByteArray (gedecomprimeerd)</returns>
124 + public static byte[] Decompress(byte[] data) {
125 + using(var compressedStream = new MemoryStream(data))
126 + using(var zipStream = new GZipStream(compressedStream, CompressionMode.Decompress))
127 + using(var resultStream = new MemoryStream()) {
128 + var buffer = new byte[4096];
129 + int read;
130 +
131 + while ((read = zipStream.Read(buffer, 0, buffer.Length)) > 0) {
132 + resultStream.Write(buffer, 0, read);
133 + }
134 +
135 + return resultStream.ToArray();
136 + }
137 + }
138 + #endregion
139 +}
140 +{{/code}}
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