|
1 | | -using System; |
2 | | -using System.Collections.Generic; |
3 | | -using System.IO; |
4 | | -using System.IO.Compression; |
5 | | -using System.Linq; |
6 | | -using System.Runtime.Serialization.Formatters.Binary; |
7 | | -using System.Text; |
8 | | -using System.Threading.Tasks; |
9 | | - |
10 | | -namespace Myvas.AspNetCore.Authentication.WeixinAuth.Internal |
11 | | -{ |
12 | | - /// <summary> |
13 | | - /// ref. https://stackoverflow.com/questions/7343465/compression-decompression-string-with-c-sharp |
14 | | - /// </summary> |
15 | | - static internal class CompressionExtensions |
16 | | - { |
17 | | - public static async Task<IEnumerable<byte>> Zip(this object obj) |
18 | | - { |
19 | | - byte[] bytes = obj.Serialize(); |
20 | | - |
21 | | - using (MemoryStream msi = new MemoryStream(bytes)) |
22 | | - using (MemoryStream mso = new MemoryStream()) |
23 | | - { |
24 | | - using (var gs = new GZipStream(mso, CompressionMode.Compress)) |
25 | | - await msi.CopyToAsync(gs); |
26 | | - |
27 | | - return mso.ToArray().AsEnumerable(); |
28 | | - } |
29 | | - } |
30 | | - |
31 | | - public static async Task<object> Unzip(this byte[] bytes) |
32 | | - { |
33 | | - using (MemoryStream msi = new MemoryStream(bytes)) |
34 | | - using (MemoryStream mso = new MemoryStream()) |
35 | | - { |
36 | | - using (var gs = new GZipStream(msi, CompressionMode.Decompress)) |
37 | | - { |
38 | | - //gs.CopyTo(mso); |
39 | | - await gs.CopyToAsync(mso); |
40 | | - } |
41 | | - |
42 | | - return mso.ToArray().Deserialize(); |
43 | | - } |
44 | | - } |
45 | | - } |
46 | | - |
47 | | - internal static class SerializerExtensions |
48 | | - { |
49 | | - /// <summary> |
50 | | - /// Writes the given object instance to a binary file. |
51 | | - /// <para>Object type (and all child types) must be decorated with the [Serializable] attribute.</para> |
52 | | - /// <para>To prevent a variable from being serialized, decorate it with the [NonSerialized] attribute; cannot be applied to properties.</para> |
53 | | - /// </summary> |
54 | | - /// <typeparam name="T">The type of object being written to the XML file.</typeparam> |
55 | | - /// <param name="filePath">The file path to write the object instance to.</param> |
56 | | - /// <param name="objectToWrite">The object instance to write to the XML file.</param> |
57 | | - /// <param name="append">If false the file will be overwritten if it already exists. If true the contents will be appended to the file.</param> |
58 | | - public static byte[] Serialize<T>(this T objectToWrite) |
59 | | - { |
60 | | - using (MemoryStream stream = new MemoryStream()) |
61 | | - { |
62 | | - BinaryFormatter binaryFormatter = new BinaryFormatter(); |
63 | | - binaryFormatter.Serialize(stream, objectToWrite); |
64 | | - |
65 | | - return stream.GetBuffer(); |
66 | | - } |
67 | | - } |
68 | | - |
69 | | - /// <summary> |
70 | | - /// Reads an object instance from a binary file. |
71 | | - /// </summary> |
72 | | - /// <typeparam name="T">The type of object to read from the XML.</typeparam> |
73 | | - /// <param name="filePath">The file path to read the object instance from.</param> |
74 | | - /// <returns>Returns a new instance of the object read from the binary file.</returns> |
75 | | - public static async Task<T> _Deserialize<T>(this byte[] arr) |
76 | | - { |
77 | | - using (MemoryStream stream = new MemoryStream()) |
78 | | - { |
79 | | - BinaryFormatter binaryFormatter = new BinaryFormatter(); |
80 | | - await stream.WriteAsync(arr, 0, arr.Length); |
81 | | - stream.Position = 0; |
82 | | - |
83 | | - return (T)binaryFormatter.Deserialize(stream); |
84 | | - } |
85 | | - } |
86 | | - |
87 | | - public static async Task<object> Deserialize(this byte[] arr) |
88 | | - { |
89 | | - object obj = await arr._Deserialize<object>(); |
90 | | - return obj; |
91 | | - } |
92 | | - } |
93 | | -} |
| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.IO; |
| 4 | +using System.IO.Compression; |
| 5 | +using System.Linq; |
| 6 | +using System.Runtime.Serialization.Formatters.Binary; |
| 7 | +using System.Text; |
| 8 | +using System.Threading.Tasks; |
| 9 | +using System.Xml.Serialization; |
| 10 | + |
| 11 | +namespace Myvas.AspNetCore.Authentication.WeixinAuth.Internal |
| 12 | +{ |
| 13 | + /// <summary> |
| 14 | + /// ref. https://stackoverflow.com/questions/7343465/compression-decompression-string-with-c-sharp |
| 15 | + /// </summary> |
| 16 | + static internal class CompressionExtensions |
| 17 | + { |
| 18 | + public static async Task<IEnumerable<byte>> Zip(this object obj) |
| 19 | + { |
| 20 | + byte[] bytes = obj.Serialize(); |
| 21 | + |
| 22 | + using (MemoryStream msi = new MemoryStream(bytes)) |
| 23 | + using (MemoryStream mso = new MemoryStream()) |
| 24 | + { |
| 25 | + using (var gs = new GZipStream(mso, CompressionMode.Compress)) |
| 26 | + await msi.CopyToAsync(gs); |
| 27 | + |
| 28 | + return mso.ToArray().AsEnumerable(); |
| 29 | + } |
| 30 | + } |
| 31 | + |
| 32 | + public static async Task<object> Unzip(this byte[] bytes) |
| 33 | + { |
| 34 | + using (MemoryStream msi = new MemoryStream(bytes)) |
| 35 | + using (MemoryStream mso = new MemoryStream()) |
| 36 | + { |
| 37 | + using (var gs = new GZipStream(msi, CompressionMode.Decompress)) |
| 38 | + { |
| 39 | + //gs.CopyTo(mso); |
| 40 | + await gs.CopyToAsync(mso); |
| 41 | + } |
| 42 | + |
| 43 | + return mso.ToArray().Deserialize(); |
| 44 | + } |
| 45 | + } |
| 46 | + } |
| 47 | + |
| 48 | + internal static class SerializerExtensions |
| 49 | + { |
| 50 | + /// <summary> |
| 51 | + /// Writes the given object instance to a binary file. |
| 52 | + /// <para>Object type (and all child types) must be decorated with the [Serializable] attribute.</para> |
| 53 | + /// <para>To prevent a variable from being serialized, decorate it with the [NonSerialized] attribute; cannot be applied to properties.</para> |
| 54 | + /// </summary> |
| 55 | + /// <typeparam name="T">The type of object being written to the XML file.</typeparam> |
| 56 | + /// <param name="filePath">The file path to write the object instance to.</param> |
| 57 | + /// <param name="objectToWrite">The object instance to write to the XML file.</param> |
| 58 | + /// <param name="append">If false the file will be overwritten if it already exists. If true the contents will be appended to the file.</param> |
| 59 | + public static byte[] Serialize<T>(this T objectToWrite) |
| 60 | + { |
| 61 | + using var stream = new MemoryStream(); |
| 62 | + var serializer = new XmlSerializer(typeof(T)); |
| 63 | + serializer.Serialize(stream, objectToWrite); |
| 64 | + return stream.GetBuffer(); |
| 65 | + } |
| 66 | + |
| 67 | + /// <summary> |
| 68 | + /// Reads an object instance from a binary file. |
| 69 | + /// </summary> |
| 70 | + /// <typeparam name="T">The type of object to read from the XML.</typeparam> |
| 71 | + /// <param name="filePath">The file path to read the object instance from.</param> |
| 72 | + /// <returns>Returns a new instance of the object read from the binary file.</returns> |
| 73 | + public static async Task<T> _Deserialize<T>(this byte[] arr) |
| 74 | + { |
| 75 | + using var stream = new MemoryStream(arr); |
| 76 | + var serializer = new XmlSerializer(typeof(T)); |
| 77 | + return await Task.FromResult((T)serializer.Deserialize(stream)); |
| 78 | + } |
| 79 | + |
| 80 | + public static async Task<object> Deserialize(this byte[] arr) |
| 81 | + { |
| 82 | + object obj = await arr._Deserialize<object>(); |
| 83 | + return obj; |
| 84 | + } |
| 85 | + } |
| 86 | +} |
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