| 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 |