| 1 | #Region "Microsoft.VisualBasic::652e836aa26b48201bf557c4ff71967b, Microsoft.VisualBasic.Core\Extensions\IO\Path\TemporaryEnvironment.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 | ' Class TemporaryEnvironment |
| 35 | ' |
| 36 | ' Constructor: (+1 Overloads) Sub New |
| 37 | ' |
| 38 | ' Function: makeDirectoryExists |
| 39 | ' |
| 40 | ' Sub: (+2 Overloads) Dispose |
| 41 | ' |
| 42 | ' |
| 43 | ' /********************************************************************************/ |
| 44 | |
| 45 | #End Region |
| 46 | |
| 47 | Namespace FileIO |
| 48 | |
| 49 | ''' <summary> |
| 50 | ''' Workspace model |
| 51 | ''' |
| 52 | ''' 在<see cref="TemporaryEnvironment.Dispose()"/>的时候,文件夹会切换回来 |
| 53 | ''' </summary> |
| 54 | Public Class TemporaryEnvironment : Inherits Directory |
| 55 | Implements IDisposable |
| 56 | |
| 57 | ReadOnly previous$ |
| 58 | |
| 59 | ''' <summary> |
| 60 | ''' 如果不存在会创建目标文件夹 |
| 61 | ''' </summary> |
| 62 | ''' <param name="newLocation"></param> |
| 63 | Sub New(newLocation As String) |
| 64 | Call MyBase.New(DIR:=makeDirectoryExists(newLocation)) |
| 65 | |
| 66 | previous = App.CurrentDirectory |
| 67 | App.CurrentDirectory = newLocation |
| 68 | End Sub |
| 69 | |
| 70 | Private Shared Function makeDirectoryExists(dir As String) As String |
| 71 | If Not dir.DirectoryExists Then |
| 72 | Call dir.MkDIR |
| 73 | End If |
| 74 | |
| 75 | Return dir |
| 76 | End Function |
| 77 | |
| 78 | #Region "IDisposable Support" |
| 79 | Private disposedValue As Boolean ' To detect redundant calls |
| 80 | |
| 81 | ' IDisposable |
| 82 | Protected Overridable Sub Dispose(disposing As Boolean) |
| 83 | If Not disposedValue Then |
| 84 | If disposing Then |
| 85 | ' TODO: dispose managed state (managed objects). |
| 86 | App.CurrentDirectory = previous |
| 87 | End If |
| 88 | |
| 89 | ' TODO: free unmanaged resources (unmanaged objects) and override Finalize() below. |
| 90 | ' TODO: set large fields to null. |
| 91 | End If |
| 92 | disposedValue = True |
| 93 | End Sub |
| 94 | |
| 95 | ' TODO: override Finalize() only if Dispose(disposing As Boolean) above has code to free unmanaged resources. |
| 96 | 'Protected Overrides Sub Finalize() |
| 97 | ' ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above. |
| 98 | ' Dispose(False) |
| 99 | ' MyBase.Finalize() |
| 100 | 'End Sub |
| 101 | |
| 102 | ' This code added by Visual Basic to correctly implement the disposable pattern. |
| 103 | Public Sub Dispose() Implements IDisposable.Dispose |
| 104 | ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above. |
| 105 | Dispose(True) |
| 106 | ' TODO: uncomment the following line if Finalize() is overridden above. |
| 107 | ' GC.SuppressFinalize(Me) |
| 108 | End Sub |
| 109 | #End Region |
| 110 | End Class |
| 111 | End Namespace |