Classes/ValidateXMLFileExistsAttribute.ps1
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class ValidateXMLFileExistsAttribute : System.Management.Automation.ValidateArgumentsAttribute { [void]Validate([object]$path, [System.Management.Automation.EngineIntrinsics]$engineIntrinsics) { if ([string]::IsNullOrWhiteSpace($path)) { throw [System.ArgumentNullException]::new() } if ($path -notmatch "\.xml$") { throw "The file specified in the path argument must be either of type xml" } if (-not (Test-Path -Path $path)) { throw [System.IO.FileNotFoundException]::new() } if (-not (Test-Path -Path $path)) { throw [System.IO.FileNotFoundException]::new() } if (-not (Test-Path -Path $path -PathType Leaf) ) { throw "The argument must be a file. Folder paths are not allowed." } } } |