Upload local folder structure to SharePoint

The below PowerShell script enables to upload the local folder structure in SharePoint including Subfolders and relative files.

if ((Get-PSSnapin | Where-Object {$_.Name -eq 'Microsoft.SharePoint.Powershell'})-eq $null) 
{
 Add-PSSnapin "Microsoft.SharePoint.Powershell"
}

Clear-Host

Function Import-OSCFolder
{

 [CmdletBinding()]
 param 
 (
 [Parameter(Mandatory=$true,Position=0)]
 [string]$Siteurl,
 [Parameter(Mandatory=$true,Position=1)]
 [string]$Library,
 [Parameter(Mandatory=$true,Position=2)]
 [string]$Path
 )
 
 #Get sp site
 $spWeb = Get-SPWeb $siteurl -ErrorAction SilentlyContinue
 If($spWeb)
 { 
 #Get the specified library
 $spDocumentLibrary = $spWeb.Lists[$Library]  
 If($spDocumentLibrary)
 {
 #verify if the path is valid
 If(Test-Path -Path $Path)
 {
 #Get the folder
 $Fol = Get-Item -Path $Path 
 If($Fol.PSIsContainer)
 {
 $result = $spDocumentLibrary.ParentWeb.GetFolder($spDocumentLibrary.RootFolder.ServerRelativeUrl +"/"+ $Fol.Name )
 If($result.Exists -eq "True")
 {
 Write-Warning "There is a folder existing on site $siteUrl."

 #$SPFol = $spDocumentLibrary.ParentWeb.GetFolder($spDocumentLibrary.RootFolder.ServerRelativeUrl + "/" +$_.Name)
 #SubFolder  $path $SPFol $spDocumentLibrary
 }
 Else
 {
 #Import the folder to site library.
 $SPFol = $spDocumentLibrary.AddItem("",[Microsoft.SharePoint.SPFileSystemObjectType]::Folder,$Fol.Name) 
 $SPFol.Update()
 SubFolder  $path $SPFol $spDocumentLibrary

 Write-Host "Import '$Path' folder to site $siteurl successfully."
 }
 }
 Else
 {
 Write-Error "The object is not a folder."
 }
 }
 Else 
 {
 Write-Error "Invalid path,try again."
 }
 }
 Else
 {
 Write-Warning "There is no library named $Library on site $siteurl."
 }
 }
 Else
 {
 Write-Error "Not find the specified site $siteurl"
 }

}

Function SubFolder($Folder,$SPFol,$spDocumentLibrary)
{
 #Import the folder and subfolders to site library.
 $SPFolder = $spDocumentLibrary.ParentWeb.GetFolder($SPFol.Folder.ServerRelativeUrl)
 $Objects = Get-ChildItem -Path $Folder 
 Foreach($obj in $Objects)
 {
 If($obj.PSIsContainer)
 { 
 $SubFolder = $spDocumentLibrary.AddItem($SPFolder.ServerRelativeUrl,[Microsoft.SharePoint.SPFileSystemObjectType]::Folder,$obj.Name)
 $SubFolder.Update()
 $Fullname = $obj.FullName
 SubFolder  $Fullname $SubFolder $spDocumentLibrary 
 }
 Else
 { 
 $fileStream = ([System.IO.FileInfo]$obj).OpenRead() 
 $contents = new-object byte[] $fileStream.Length 
 $FolderObj = $spDocumentLibrary.ParentWeb.GetFolder($SPFolder.ServerRelativeUrl)
 $SpFile = $FolderObj.Files.Add($FolderObj.Url + "/"+$obj.Name, $contents, $true)
 $spItem = $SpFile.Item
 $SpFile.CheckIn("Checked In By Administrator")            
 }
 }

}

Function BeginUpload($DirectoryFullName)
{

    $siteCollUrl = "http://[webname]/sites/[sitecollectionname]"    
    $libraryName = "Style Library"

    Get-ChildItem $DirectoryFullName  | % {
                if ($_.Attributes -eq "Directory") 
                    {           
                        Import-OSCFolder -siteurl $siteCollUrl -Library $libraryName -path  $_.FullName
                    }
            }
}

$filesLocation  = "C:\Library\"


BeginUpload -DirectoryFullName $filesLocation