Get-Java.ps1

$Rev =  "v1.0 21 Jan 2014"
#$ErrorActionPreference="continue"
cls
Write-Host "********************************************"   -Fore Green
Write-Host "Get-Java.ps1: Retrieves Java information" -Fore Green
Write-Host "Written By: Tyler Applebaum" -Fore Green
Write-Host "$Rev" -Fore Green
Write-Host "********************************************"   -Fore Green
Write-Host " "
Write-Host " "

If ( ! (Get-module ActiveDirectory )) {
Import-Module ActiveDirectory
} #include AD module

#Company name
    $Company = "Company Name Here"

# Path to the report
    $reportPath = "C:\";

# Report name
    $reportName = "Java_Report$(get-date -format ddMMyyyy).html";

# Path and Report name together (for emailing purposes)
    $JavaReport = $reportPath + $reportName

# Remove the report if it has already been run today so it does not append to the existing report
If (Test-Path $JavaReport){
    Remove-Item $JavaReport
}

#Gather a list of all computers in AD
$list = Get-ADComputer -Filter {Name -Like "*"} | select -ExpandProperty Name

#Format the list
$computers = $list | where {$_ -notlike $null } | foreach { $_.trim() }

# Create and write HTML Header of report
$titleDate = get-date -uformat "%m-%d-%Y - %A"
$header = "
        <html>
        <head>
        <meta http-equiv='Content-Type' content='text/html; charset=iso-8859-1'>
        <title>Java Report</title>
        <STYLE TYPE='text/css'>
        <!--
        td {
            font-family: Tahoma;
            font-size: 12px;
            border-top: 1px solid #999999;
            border-right: 1px solid #999999;
            border-bottom: 1px solid #999999;
            border-left: 1px solid #999999;
            padding-top: 0px;
            padding-right: 0px;
            padding-bottom: 0px;
            padding-left: 0px;
        }
        body {
            margin-left: 5px;
            margin-top: 5px;
            margin-right: 0px;
            margin-bottom: 10px;
            table {
            border: thin solid #000000;
        }
        -->
        </style>
        </head>
        <body>
        <table width='1000'>
        <tr bgcolor='#CCCCCC'>
        <td colspan='7' height='25' align='center'>
        <font face='tahoma' color='#003399' size='4'><strong>$Company Java Version Report for $titledate</strong></font>
        </td>
        </tr>
        </table>
"
Add-Content $JavaReport $header

# Create and write Table header for report
 $tableHeader = "
 <table width='1000'><tbody>
    <tr bgcolor=#CCCCCC>
    <td width='95' align='center'>Computer</td>
    <td width='95' align='center'>Platform</td>
    <td width='225' align='center'>Java 7 x86</td>
    <td width='225' align='center'>Java 7 x64</td>
    <td width='225' align='center'>Java 6 x86</td>
    <td width='225' align='center'>Java 6 x64</td>
    </tr>
"
Add-Content $JavaReport $tableHeader

#Determine x86 or x64 platform
Function script:Bitness {
    If (Test-Path "\\$WS\C$\Program Files (x86)"){
        $script:OSVer = "64-bit"
    }
    Else {
        $script:OSVer = "32-bit"
    }
}

#Detect Java 6 and 7. Detects multiple installations of different versions and platforms. Not tested with static installations. :(
Function script:JavaDetect {
    If ($OSVer = "64-bit"){
        $java732 = "\\$WS\C$\Program Files (x86)\Java\jre7\bin\java.exe"
        $java764 = "\\$WS\C$\Program Files\Java\jre7\bin\java.exe"
        $java632 = "\\$WS\C$\Program Files (x86)\Java\jre6\bin\java.exe"
        $java664 = "\\$WS\C$\Program Files\Java\jre6\bin\java.exe"
            If (Test-Path $java732){
                $script:javaver732 = gci $java732 | Select -exp versioninfo | Select ProductName
                $script:javaver732 = $script:javaver732.ProductName
            }
            Else {
                $script:javaver732 = "Java 7 32-bit not found"
            }
            If (Test-Path $java764){
                $script:javaver764 = gci $java764 | Select -exp versioninfo | Select ProductName
                $script:javaver764 = $script:javaver764.ProductName
            }
            Else {
                $script:javaver764 = "Java 7 64-bit not found"
            }
            If (Test-Path $java632){
                $script:javaver632 = gci $java632 | Select -exp versioninfo | Select ProductName
                $script:javaver632 = $script:javaver632.ProductName
            }
            Else {
                $script:javaver632 = "Java 6 32-bit not found"
            }
            If (Test-Path $java664){
                $script:javaver664 = gci $java664 | Select -exp versioninfo | Select ProductName
                $script:javaver664 = $script:javaver664.ProductName
            }
            Else {
                $script:javaver664 = "Java 6 64-bit not found"
            }

    }

    Else {
        $java732 = "\\$WS\C$\Program Files\Java\jre7\bin\java.exe"
        $java632 = "\\$WS\C$\Program Files\Java\jre6\bin\java.exe"
            If (Test-Path $java732){
                $script:javaver732 = gci $java732 | Select -exp versioninfo | Select ProductName
                $script:javaver732 = $script:javaver732.ProductName
            }
            Else {
                $script:javaver732 = "Java 7 32-bit not found"
            }
            If (Test-Path $java632){
                $script:javaver632 = gci $java632 | Select -exp versioninfo | Select ProductName
                $script:javaver632 = $script:javaver632.ProductName
            }
            Else {
                $script:javaver632 = "Java 6 32-bit not found"
            }
    }
}

#Start doin work
Foreach ($WS in $computers){
    If (Test-Connection -count 1 -computer $WS -quiet) {
        Bitness
        JavaDetect
        Write-Host $WS.ToUpper()
        Write-Host $JavaVer732
        Write-Host $JavaVer764
        Write-Host $JavaVer632
        Write-Host $JavaVer664
        Write-Host `n

#Create table data rows
    $dataRow = "
        <tr>
        <td width='95' align='center'>$WS</td>
        <td width='95' align='center'>$OSVer</td>
        <td width='225'>$JavaVer732</td>
        <td width='225'>$JavaVer764</td>
        <td width='225'>$JavaVer632</td>
        <td width='225'>$JavaVer664</td>
        </tr>
"
Add-Content $JavaReport $dataRow;

    }#endif test-connection

    Else {
    Write-Host "Unable to connect to $WS. Please check the name and try again." -back Black -fore Yellow
    }#endelse test-connection
}#end foreach

#Add closing HTML tags
Add-Content $JavaReport $tableDescription
Add-Content $JavaReport "</body></html>"

If (Test-Path $JavaReport){
    Write-Host "Report created successfully!"
    ii $JavaReport
}