1 | #Region "Microsoft.VisualBasic::bebb80e2ece0208f157f4ef527645194, Microsoft.VisualBasic.Core\Serialization\BinaryDumping\StructFormatter.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Module StructFormatter |
35 | ' |
36 | ' Function: DeSerialize, GetSerializeBuffer, Load, Serialize |
37 | ' |
38 | ' |
39 | ' /********************************************************************************/ |
40 | |
41 | #End Region |
42 | |
43 | Imports System.IO |
44 | Imports System.Runtime.CompilerServices |
45 | Imports System.Runtime.Serialization |
46 | Imports System.Runtime.Serialization.Formatters.Binary |
47 | |
48 | Namespace Serialization.BinaryDumping |
49 | |
50 | Public Module StructFormatter |
51 | |
52 | ''' <summary> |
53 | ''' Save a structure type object into a binary file.(使用二进制序列化保存一个对象) |
54 | ''' </summary> |
55 | ''' <typeparam name="T"></typeparam> |
56 | ''' <param name="obj"></param> |
57 | ''' <param name="path"></param> |
58 | ''' <returns></returns> |
59 | ''' <remarks></remarks> |
60 | <Extension> Public Function Serialize(Of T)(obj As T, path As String) As Boolean |
61 | Dim buffer As Byte() = obj.GetSerializeBuffer |
62 | Return buffer.FlushStream(path) |
63 | End Function |
64 | |
65 | <Extension> Public Function GetSerializeBuffer(Of T)(obj As T) As Byte() |
66 | Dim IFormatter As IFormatter = New BinaryFormatter() |
67 | Dim Stream As New IO.MemoryStream() |
68 | Call IFormatter.Serialize(Stream, obj) |
69 | Dim buffer As Byte() = Stream.ToArray |
70 | Return buffer |
71 | End Function |
72 | |
73 | <Extension> Public Function DeSerialize(Of T)(bytes As Byte()) As T |
74 | Dim obj As Object = (New BinaryFormatter).[Deserialize](New MemoryStream(bytes)) |
75 | Return DirectCast(obj, T) |
76 | End Function |
77 | |
78 | ''' <summary> |
79 | ''' Load a strucutre object from the file system by using binary serializer deserialize. |
80 | ''' (使用反二进制序列化从指定的文件之中加载一个对象) |
81 | ''' </summary> |
82 | ''' <typeparam name="T"></typeparam> |
83 | ''' <param name="path"></param> |
84 | ''' <returns></returns> |
85 | ''' <remarks></remarks> |
86 | <Extension> Public Function Load(Of T)(path As String) As T |
87 | If Not FileIO.FileSystem.FileExists(path) Then |
88 | Return Activator.CreateInstance(Of T)() |
89 | End If |
90 | Using Stream As Stream = New FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read) |
91 | Dim IFormatter As IFormatter = New BinaryFormatter() |
92 | Dim obj As T = DirectCast(IFormatter.Deserialize(Stream), T) |
93 | Return obj |
94 | End Using |
95 | End Function |
96 | End Module |
97 | End Namespace |