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rsolanki |
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<%
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'=============================================================
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'//
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'// Exception Handler
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'//
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'// version: 1.4
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'// last modified: 20-Jul-2004 14:17 by Sasha Vukovic
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'=============================================================
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%>
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<%
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'------------- GLOBALS --------------
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Const enumEXCEPTION_HANDLER_SESSION = "DM_EXCEPTION_HANDLER"
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'------------------------------------
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%>
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<%
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Class ExceptionHandler
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Private sMsgSummary
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Private sMsgDetails
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Private bIsDisplayed
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Private bErrorRedirect
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Private SEPARATOR
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Public Property Let ErrorRedirect ( bVal )
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bErrorRedirect = bVal
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Session( enumEXCEPTION_HANDLER_SESSION ) = NULL ' Clear message session variable
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End Property
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Public Property Get MessageSummary
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MessageSummary = sMsgSummary
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bIsDisplayed = TRUE
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End Property
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Public Property Get MessageDetails
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MessageDetails = sMsgDetails
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bIsDisplayed = TRUE
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End Property
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub LogAction ( nUserId, nEvent, sMethod, sActionScript, sDescription, ByRef OraDatabase )
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OraDatabase.ExecuteSQL _
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"BEGIN pk_Utils.Log_Action ( "&_
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nUserId &","&_
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nEvent &","&_
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"'"& sMethod &"',"&_
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"'"& sActionScript &"',"&_
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"'"& sDescription &"'"&_
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" ); "&_
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"END;"
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Public Function Finally ()
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If IsNull( sMsgSummary ) OR bErrorRedirect Then
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Finally = TRUE
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Else
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Finally = FALSE
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End If
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End Function
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub Try ()
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Err.Clear
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub Catch ()
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If Err.Number <> 0 Then
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If IsNull( sMsgSummary ) Then
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sMsgSummary = Err.Source
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sMsgDetails = Err.Description
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End If
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' Redirect to Message
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If bErrorRedirect Then
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Session( enumEXCEPTION_HANDLER_SESSION ) = sMsgSummary & SEPARATOR & sMsgDetails
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Call OpenInWindow ( "messages/msgPleaseNote.asp" )
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bIsDisplayed = TRUE
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End If
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End If
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Err.Clear
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub TryORA ( ByRef objOraSession )
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Err.Clear
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' Begin DB transaction
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objOraSession.BeginTrans
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub CatchORA ( ByRef objOraSession )
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If Err.Number <> 0 Then
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If IsNull( sMsgSummary ) Then
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sMsgSummary = GetORAErrDescription ( Err.Description )
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sMsgDetails = Err.Description
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End If
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' Roll back DB transaction
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objOraSession.RollBack
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' Redirect to Message
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If bErrorRedirect Then
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Session( enumEXCEPTION_HANDLER_SESSION ) = sMsgSummary & SEPARATOR & sMsgDetails
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Call OpenInWindow ( "messages/msgPleaseNote.asp" )
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bIsDisplayed = TRUE
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End If
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Else
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' Commit db transaction
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objOraSession.CommitTrans
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End If
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Err.Clear
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Private Function GetORAErrDescription ( sErrMsg )
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Dim tempArr, endOfMsg
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' Example of ORAErr Description
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' SQL execution error, ORA-20000: Duplicate Network Node name. ORA-06512: at "DM_DEV.PK_NETWORK_NODE", line 20 ORA-06512: at line 1
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tempArr = Split ( sErrMsg, ":" ) ' Oracle error message is split with :
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endOfMsg = InStr( tempArr(1), "ORA" )
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If endOfMsg > 0 Then
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GetORAErrDescription = Left( tempArr(1), endOfMsg - 1 )
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Else
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GetORAErrDescription = tempArr(1)
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End If
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End Function
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'-----------------------------------------------------------------------------------------------------------------
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Public Sub DisplayMessage ()
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Dim msgTemplate
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msgTemplate = ReadFile( APP_ROOT &"\scripts\note_style.html" )
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msgTemplate = Replace( msgTemplate, "%WIDTH%", "100%" )
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msgTemplate = Replace( msgTemplate, "%IMAGE%", "s_warning.gif" )
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msgTemplate = Replace( msgTemplate, "%DIV_NAME%", "DIV_MESSAGE" )
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msgTemplate = Replace( msgTemplate, "%NOTE%", sMsgSummary )
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msgTemplate = Replace( msgTemplate, "%MESSAGE_DETAILS%", sMsgDetails )
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Response.write msgTemplate
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bIsDisplayed = TRUE
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Private Sub GetSessionMessages ()
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Dim tempArr
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If Session( enumEXCEPTION_HANDLER_SESSION ) <> "" OR NOT IsNull(Session( enumEXCEPTION_HANDLER_SESSION )) Then
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tempArr = Split ( Session( enumEXCEPTION_HANDLER_SESSION ), SEPARATOR )
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If UBound( tempArr ) > 0 Then
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sMsgSummary = tempArr(0)
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sMsgDetails = tempArr(1)
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End If
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Session( enumEXCEPTION_HANDLER_SESSION ) = NULL
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End If
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Private Sub Class_Initialize()
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'// Perform action on creation of object. e.g. Set myObj = New ThisClassName
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SEPARATOR = "|SEPARATOR|"
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sMsgSummary = NULL
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bIsDisplayed = FALSE
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bErrorRedirect = TRUE ' By Default On error redirect to error message page
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Call GetSessionMessages ()
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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Private Sub Class_Terminate()
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'// Perform action on object disposal. e.g. Set myObj = Nothing
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If NOT bIsDisplayed AND NOT IsNull(sMsgSummary) Then
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Response.write ( sMsgSummary & "<br>" & sMsgDetails )
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End If
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End Sub
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'-----------------------------------------------------------------------------------------------------------------
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End Class
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%>
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