Modules/DFSDsc.ResourceHelper/DFSDsc.ResourceHelper.psm1
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<#
.SYNOPSIS Tests if the current machine is a Nano server. #> function Test-IsNanoServer { if (Test-Command -Name Get-ComputerInfo) { $computerInfo = Get-ComputerInfo if ('Server' -eq $computerInfo.OsProductType ` -and 'NanoServer' -eq $computerInfo.OsServerLevel) { return $true } } return $false } <# .SYNOPSIS Tests if the the specified command is found. .PARAMETER Name The name of the command to find. #> function Test-Command { param ( [Parameter()] [System.String] $Name ) return ($null -ne (Get-Command -Name $Name -ErrorAction Continue 2> $null)) } <# .SYNOPSIS Creates and throws an invalid argument exception .PARAMETER Message The message explaining why this error is being thrown .PARAMETER ArgumentName The name of the invalid argument that is causing this error to be thrown #> function New-InvalidArgumentException { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Message, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ArgumentName ) $argumentException = New-Object -TypeName 'ArgumentException' -ArgumentList @( $Message, $ArgumentName ) $newObjectParams = @{ TypeName = 'System.Management.Automation.ErrorRecord' ArgumentList = @( $argumentException, $ArgumentName, 'InvalidArgument', $null ) } $errorRecord = New-Object @newObjectParams throw $errorRecord } <# .SYNOPSIS Creates and throws an invalid operation exception .PARAMETER Message The message explaining why this error is being thrown .PARAMETER ErrorRecord The error record containing the exception that is causing this terminating error #> function New-InvalidOperationException { [CmdletBinding()] param ( [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $Message, [Parameter()] [ValidateNotNull()] [System.Management.Automation.ErrorRecord] $ErrorRecord ) if ($null -eq $Message) { $invalidOperationException = New-Object -TypeName 'InvalidOperationException' } elseif ($null -eq $ErrorRecord) { $invalidOperationException = New-Object -TypeName 'InvalidOperationException' -ArgumentList @( $Message ) } else { $invalidOperationException = New-Object -TypeName 'InvalidOperationException' -ArgumentList @( $Message, $ErrorRecord.Exception ) } $newObjectParams = @{ TypeName = 'System.Management.Automation.ErrorRecord' ArgumentList = @( $invalidOperationException.ToString(), 'MachineStateIncorrect', 'InvalidOperation', $null ) } $errorRecordToThrow = New-Object @newObjectParams throw $errorRecordToThrow } <# .SYNOPSIS Retrieves the localized string data based on the machine's culture. Falls back to en-US strings if the machine's culture is not supported. .PARAMETER ResourceName The name of the resource as it appears before '.strings.psd1' of the localized string file. For example: For WindowsOptionalFeature: MSFT_xWindowsOptionalFeature For Service: MSFT_xServiceResource For Registry: MSFT_xRegistryResource .PARAMETER ResourcePath The path the resource file is located in. #> function Get-LocalizedData { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ResourceName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ResourcePath ) $localizedStringFileLocation = Join-Path -Path $ResourcePath -ChildPath $PSUICulture if (-not (Test-Path -Path $localizedStringFileLocation)) { # Fallback to en-US $localizedStringFileLocation = Join-Path -Path $ResourcePath -ChildPath 'en-US' } Import-LocalizedData ` -BindingVariable 'localizedData' ` -FileName "$ResourceName.strings.psd1" ` -BaseDirectory $localizedStringFileLocation return $localizedData } Export-ModuleMember -Function @( 'Test-IsNanoServer' 'New-InvalidArgumentException' 'New-InvalidOperationException' 'Get-LocalizedData' ) |