364 lines
14 KiB
VB.net
364 lines
14 KiB
VB.net
#Region "Microsoft.VisualBasic::924fc1b8663c4354b3c9e32903e8a169, Microsoft.VisualBasic.Core\Text\LogFile.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Class LogFile
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'
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'
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' Interface ISupportLoggingClient
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'
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' Properties: Logging
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'
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' Function: WriteLog
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'
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' Enum MSG_TYPES
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'
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' DEBUG, ERR, INF, WRN
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'
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'
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'
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'
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'
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' Properties: ColorfulOutput, FileName, Mute, NowTimeNormalizedString, SuppressError
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' SuppressWarns
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'
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' Constructor: (+1 Overloads) Sub New
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'
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' Function: InternalFillBlanks, Read, ReadLine, Save, ToString
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'
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' Sub: Dispose, (+2 Overloads) LogException, SaveLog, (+4 Overloads) WriteLine
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Text
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Namespace Logging
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''' <summary>
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''' 日志文件记录模块.
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''' </summary>
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''' <remarks></remarks>
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Public Class LogFile : Inherits ComponentModel.ITextFile
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Implements Microsoft.VisualBasic.ComponentModel.ITextFile.I_FileSaveHandle
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Implements System.IDisposable
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Implements Microsoft.VisualBasic.ConsoleDevice.STDIO__.I_ConsoleDeviceHandle
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Public Interface ISupportLoggingClient
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Inherits System.IDisposable
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#Region "Public Property"
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ReadOnly Property Logging As Logging.LogFile
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#End Region
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#Region "Public Methods"
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Function WriteLog() As Boolean
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#End Region
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End Interface
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''' <summary>
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''' The types enumeration of the log file message.
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''' </summary>
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''' <remarks></remarks>
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Public Enum MSG_TYPES As Integer
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''' <summary>
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''' The normal information message.[WHITE]
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''' </summary>
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''' <remarks></remarks>
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INF
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''' <summary>
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''' The program error information message.[RED]
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''' </summary>
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''' <remarks></remarks>
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ERR
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''' <summary>
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''' Warnning message from the program.[YELLOW]
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''' </summary>
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''' <remarks></remarks>
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WRN
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''' <summary>
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''' The program debug information message.[BLUE]
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''' </summary>
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''' <remarks></remarks>
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DEBUG
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End Enum
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Dim _InternalLogsDataBuilder As StringBuilder = New StringBuilder(1024)
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Dim _InternalRecordCounts As Integer
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''' <summary>
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''' Indicated that write the <see cref="LogFile.MSG_TYPES.ERR">Error type</see> message to the console screen, this
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''' property will override the WriteToScreen parameter in function <see cref="LogFile.WriteLine"></see> when the
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''' message type is <see cref="LogFile.MSG_TYPES.ERR">Error type</see>.
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Property SuppressError As Boolean = True
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''' <summary>
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''' Indicated that write the <see cref="LogFile.MSG_TYPES.WRN">Warn type</see> message to the console screen, this
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''' property will override the WriteToScreen parameter in function <see cref="LogFile.WriteLine"></see> when the
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''' message type is <see cref="LogFile.MSG_TYPES.WRN">Warn type</see>.
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Property SuppressWarns As Boolean = True
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''' <summary>
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''' 是否采用彩色的输出，默认为关闭：
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''' <see cref="Logging.LogFile.MSG_TYPES.INF">一般的消息</see> - 白色;
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''' <see cref="Logging.LogFile.MSG_TYPES.WRN">警告级别的消息</see> - 黄色;
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''' <see cref="Logging.LogFile.MSG_TYPES.ERR">错误级别的消息</see> - 红色
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Property ColorfulOutput As Boolean = False
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''' <summary>
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''' 没有路径名称和拓展名，仅包含有单独的文件名
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public ReadOnly Property FileName As String
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Get
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Return IO.Path.GetFileNameWithoutExtension(path:=FilePath)
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End Get
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End Property
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''' <summary>
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''' 将时间字符串里面的":"符号去除之后，剩余的字符串可以用于作为路径来使用
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Shared ReadOnly Property NowTimeNormalizedString As String
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Get
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Return String.Format("{0}{1}{2}{3}{4}", Format(Now.Month, "00"), Format(Now.Day, "00"), Format(Now.Hour, "00"), Format(Now.Minute, "00"), Format(Now.Second, "00"))
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End Get
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End Property
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Public Sub LogException(Msg As String, [Object] As String, Optional WriteToScreen As Boolean = True)
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Call WriteLine(Msg, [Object], Type:=MSG_TYPES.ERR, WriteToScreen:=WriteToScreen)
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End Sub
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Public Sub LogException(ex As Exception)
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Call WriteLine(ex.ToString, "", Type:=MSG_TYPES.ERR, WriteToScreen:=True)
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End Sub
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Public Sub WriteLine(Msg As String, [Object] As String, Optional Type As MSG_TYPES = MSG_TYPES.INF, Optional WriteToScreen As Boolean = True)
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Dim LoggingHead As String = InternalFillBlanks([Object], 20)
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Dim sBuilder As New StringBuilder(1024)
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Dim Lines As String() = Strings.Split(Msg.Replace(vbCr, ""), vbLf)
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If Lines.Count > 1 Then
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Call sBuilder.AppendLine(vbTab)
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End If
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If Me._addElapsedTime Then
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LoggingHead = String.Format("[p-DEBUG: {0}s] {1} - {2} [{3}][{4}]: ", Me._Sw.ElapsedMilliseconds / 1000, Now.ToString, Now.Millisecond, Type.ToString, LoggingHead)
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Else
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LoggingHead = String.Format("{0} - {1} [{2}][{3}]: ", Now.ToString, Now.Millisecond, Type.ToString, LoggingHead)
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End If
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If Not Mute AndAlso WriteToScreen Then
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If Me.SuppressError AndAlso Type = MSG_TYPES.ERR Then
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'Do Nothing
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ElseIf Me.SuppressWarns AndAlso Type = MSG_TYPES.WRN Then
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'Do Nothing
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Else
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If Me.ColorfulOutput Then
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Select Case Type
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Case MSG_TYPES.INF : Console.ForegroundColor = ConsoleColor.White
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Case MSG_TYPES.WRN : Console.ForegroundColor = ConsoleColor.Yellow
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Case MSG_TYPES.ERR : Console.ForegroundColor = ConsoleColor.Magenta
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Case MSG_TYPES.DEBUG : Console.ForegroundColor = ConsoleColor.Blue
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Case Else
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Console.ForegroundColor = ConsoleColor.White
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End Select
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End If
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Call Console.WriteLine(Msg)
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End If
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End If
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Call sBuilder.AppendLine(Lines.First)
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If Lines.Count > 1 Then
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Call sBuilder.AppendLine(String.Join(vbCrLf & vbTab, Lines.Skip(1).ToArray))
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Call sBuilder.AppendLine()
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LoggingHead = vbCrLf & LoggingHead
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End If
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Call _InternalLogsDataBuilder.Append(String.Format("{0}{1}", LoggingHead, sBuilder.ToString))
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_InternalRecordCounts += 1
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End Sub
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''' <summary>
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''' 当这个设置为真之后，终端就不会再有任何的输出了
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''' </summary>
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''' <value></value>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Property Mute As Boolean
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Friend Function InternalFillBlanks(str As String, Blanks As Integer) As String
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Dim Blank As String = New String(" "c, IIf(Blanks < 0, 20, Blanks))
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Dim strlen As Integer = Len(str)
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If strlen < Blanks Then
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str = Mid(Blank, 1, Blanks - strlen) & str
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End If
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Return str
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End Function
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Dim _Sw As Stopwatch, _addElapsedTime As Boolean
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''' <summary>
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'''
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''' </summary>
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''' <param name="Path">This logfile will saved to.</param>
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''' <remarks></remarks>
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''' <param name="bufferSize">当日志的记录数目达到这个数目的时候就会将日志数据写入到文件之中</param>
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Public Sub New(Path As String,
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Optional addTimeTag As Boolean = False,
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Optional bufferSize As Integer = 1024)
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Dim strBuffer As String = New String("-", 40)
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strBuffer = String.Format("{0} {1} {2}", strBuffer, Now.ToLongDateString & " - " & Now.ToLongTimeString, strBuffer)
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Call _InternalLogsDataBuilder.AppendLine(strBuffer)
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Call _InternalLogsDataBuilder.AppendLine()
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MyBase.FilePath = Path
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Dim Dir As String = FileIO.FileSystem.GetParentPath(Path)
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Call FileIO.FileSystem.CreateDirectory(Dir)
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_addElapsedTime = addTimeTag
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If _addElapsedTime Then
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Me._Sw = Stopwatch.StartNew
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End If
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End Sub
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''' <summary>
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'''
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''' </summary>
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''' <param name="appendToLogFile">Append this log data into the target log file if the file is exists on the filesystem, default option is override the exists file.</param>
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''' <remarks></remarks>
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Public Sub SaveLog(Optional appendToLogFile As Boolean = False)
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Dim Dir As String = FileIO.FileSystem.GetParentPath(FilePath)
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Dim strBuffer As String = New String("-", 20)
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strBuffer = String.Format("{0}{1} END_OF_LOGGING {2}", vbCrLf, strBuffer, strBuffer)
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Call _InternalLogsDataBuilder.AppendLine(strBuffer)
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Call FileIO.FileSystem.CreateDirectory(Dir)
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strBuffer = If(appendToLogFile = True, vbCrLf & vbCrLf & vbCrLf, "")
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strBuffer = strBuffer & _InternalLogsDataBuilder.ToString
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Try
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Call FileIO.FileSystem.WriteAllText(FilePath, strBuffer, appendToLogFile)
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Catch ex As Exception
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Call Console.WriteLine("Exception occur while trying save the logfile into location: {0}", FilePath)
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Throw
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End Try
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End Sub
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Public Overrides Function ToString() As String
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Return String.Format("[{0} records]'{1}'", _InternalRecordCounts, Extensions.ToFileURL(FilePath))
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End Function
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Protected Overrides Sub Dispose(disposing As Boolean)
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Call SaveLog(appendToLogFile:=True)
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Call MyBase.Dispose(disposing)
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End Sub
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Public Function ReadLine() As String Implements Microsoft.VisualBasic.ConsoleDevice.STDIO__.I_ConsoleDeviceHandle.ReadLine
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Throw New NotImplementedException
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End Function
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Public Sub WriteLine(s As String) Implements Microsoft.VisualBasic.ConsoleDevice.STDIO__.I_ConsoleDeviceHandle.WriteLine
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Call WriteLine(s, Type:=MSG_TYPES.INF, [Object]:="", WriteToScreen:=True)
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End Sub
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Public Sub WriteLine(s As String())
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Dim str As String = String.Join(vbCrLf, s)
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Call WriteLine(str, Type:=MSG_TYPES.INF, [Object]:="", WriteToScreen:=True)
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End Sub
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Private Shared ReadOnly ArgumentsBlank As String() = New String() {"", "", "", ""}
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''' <summary>
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'''
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''' </summary>
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''' <param name="s"></param>
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''' <param name="args">{[Object] As String, Optional Type As MsgType = MsgType.INF, Optional WriteToScreen As Boolean = True}</param>
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''' <remarks></remarks>
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Public Sub WriteLine(s As String, ParamArray args() As String) Implements Microsoft.VisualBasic.ConsoleDevice.STDIO__.I_ConsoleDeviceHandle.WriteLine
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Dim [Object] As String = IIf(String.IsNullOrEmpty(args(0)), "", args(0))
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Call WriteLine(s, Type:=MSG_TYPES.INF, [Object]:=[Object], WriteToScreen:=True)
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End Sub
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Public Overloads Function Read() As Integer Implements Microsoft.VisualBasic.ConsoleDevice.STDIO__.I_ConsoleDeviceHandle.Read
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Throw New NotImplementedException
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End Function
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''' <summary>
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''' 直接进行覆盖的
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''' </summary>
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''' <param name="FilePath"></param>
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''' <param name="Encoding"></param>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Overrides Function Save(Optional FilePath As String = "", Optional Encoding As Encoding = Nothing) As Boolean
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FilePath = getPath(FilePath)
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Call SaveLog(False)
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Return True
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End Function
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End Class
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End Namespace
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