ConvertTo-QueryString.ps1
<#
.SYNOPSIS Convert Hashtable to Query String. .DESCRIPTION .EXAMPLE PS C:\>ConvertTo-QueryString @{ name = 'path/file.json'; index = 10 } Convert hashtable to query string. .EXAMPLE PS C:\>[ordered]@{ title = 'convert&prosper'; id = [guid]'352182e6-9ab0-4115-807b-c36c88029fa4' } | ConvertTo-QueryString Convert ordered dictionary to query string. .INPUTS System.Collections.Hashtable #> function ConvertTo-QueryString { [CmdletBinding()] [OutputType([string])] param ( # Value to convert [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)] [object] $InputObjects, # URL encode parameter names [Parameter(Mandatory = $false)] [switch] $EncodeParameterNames ) process { foreach ($InputObject in $InputObjects) { $QueryString = New-Object System.Text.StringBuilder if ($InputObject -is [hashtable] -or $InputObject -is [System.Collections.Specialized.OrderedDictionary] -or $InputObject.GetType().FullName.StartsWith('System.Collections.Generic.Dictionary')) { foreach ($Item in $InputObject.GetEnumerator()) { if ($QueryString.Length -gt 0) { [void]$QueryString.Append('&') } [string] $ParameterName = $Item.Key if ($EncodeParameterNames) { $ParameterName = [System.Net.WebUtility]::UrlEncode($ParameterName) } [void]$QueryString.AppendFormat('{0}={1}', $ParameterName, [System.Net.WebUtility]::UrlEncode($Item.Value)) } } elseif ($InputObject -is [object] -and $InputObject -isnot [ValueType]) { foreach ($Item in ($InputObject | Get-Member -MemberType Property, NoteProperty)) { if ($QueryString.Length -gt 0) { [void]$QueryString.Append('&') } [string] $ParameterName = $Item.Name if ($EncodeParameterNames) { $ParameterName = [System.Net.WebUtility]::UrlEncode($ParameterName) } [void]$QueryString.AppendFormat('{0}={1}', $ParameterName, [System.Net.WebUtility]::UrlEncode($InputObject.($Item.Name))) } } else { ## Non-Terminating Error $Exception = New-Object ArgumentException -ArgumentList ('Cannot convert input of type {0} to query string.' -f $InputObject.GetType()) Write-Error -Exception $Exception -Category ([System.Management.Automation.ErrorCategory]::ParserError) -CategoryActivity $MyInvocation.MyCommand -ErrorId 'ConvertQueryStringFailureTypeNotSupported' -TargetObject $InputObject continue } Write-Output $QueryString.ToString() } } } # 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