Here is something I had put together quite a while ago that works for me.
You should be able to modify it to do what you need. You could change the
CustomAction to SetProperty elements.
<Condition Message="!(loc.Java160MustBeInstalled)">JAVA_JRE_HOME</Condition>
<Property Id="JAVA_JDK_CURRENT_VERSION"/>
<Property Id="JAVA_JRE_CURRENT_VERSION"/>
<Property Id="JAVA_JDK_HOME"/>
<Property Id="JAVA_JRE_HOME"/>
<Property Id="JAVA_JDK_VERSION">
<RegistrySearch Id="SUN_JDK_VERSION" Root="HKLM"
Key="SOFTWARE\Javasoft\Java Development Kit"
Name="CurrentVersion" Type="raw"/>
</Property>
<Property Id="JAVA_JRE_VERSION">
<RegistrySearch Id="SUN_JRE_VERSION" Root="HKLM"
Key="SOFTWARE\Javasoft\Java Runtime Environment"
Name="CurrentVersion" Type="raw"/>
</Property>
<CustomAction Id="SetJavaJDKCurrentVersion"
Property="JAVA_JDK_CURRENT_VERSION"
Value="HKLM\SOFTWARE\Javasoft\Java Development
Kit\[JAVA_JDK_VERSION]"/>
<CustomAction Id="SetJavaJRECurrentVersion"
Property="JAVA_JRE_CURRENT_VERSION"
Value="HKLM\SOFTWARE\Javasoft\Java Runtime
Environment\[JAVA_JRE_VERSION]"/>
<InstallUISequence>
<Custom Action="SetJavaJDKCurrentVersion" Before="FindRelatedProducts"/>
<Custom Action="SetJavaJRECurrentVersion"
After="SetJavaJDKCurrentVersion"/>
<Custom Action="SetJavaJdkJreHome" After="SetJavaJRECurrentVersion"/>
</InstallUISequence>
<?include ..\..\build\SetJavaJdkJreHomeVBS.wxi?>
SetJavaJdkJreHomeVBS.wxi:
<?xml version="1.0" encoding="UTF-8"?>
<Include xmlns="http://schemas.microsoft.com/wix/2006/wi";>
<!-- Set the Java JDK and JRE home directory properties -->
<CustomAction Id="SetJavaJdkJreHome" Script="vbscript">
<![CDATA[
jdkCurrentVersion =
Session.Property("JAVA_JDK_CURRENT_VERSION")
jreCurrentVersion =
Session.Property("JAVA_JRE_CURRENT_VERSION")
defaultVer = "1.6"
defaultValue = "notset"
jdkHomeKey = jdkCurrentVersion & "\JavaHome"
'MsgBox "Java JDK Home Reg Key = " & jdkHomeKey, vbOkOnly
jdkHome = readfromRegistry(jdkHomeKey, defaultHome)
jreHomeKey = jreCurrentVersion & "\JavaHome"
'MsgBox "Java JRE Home Reg Key = " & jreHomeKey, vbOkOnly
jreHome = readfromRegistry(jreHomeKey, defaultHome)
' Only set the properties if a value was found in the
registry
if jdkHome <> defaultValue then
Session.Property("JAVA_JDK_HOME") = jdkHome
end if
if jreHome <> defaultValue then
Session.Property("JAVA_JRE_HOME") = jreHome
end if
function readFromRegistry (strRegistryKey, strDefault )
Dim WSHShell, value
On Error Resume Next
Set WSHShell = CreateObject("WScript.Shell")
value = WSHShell.RegRead( strRegistryKey )
'MsgBox "SetJavaJdkJreHome" & vbCrLf & _
' " Registry key to read: " & strRegistryKey &
vbCrLf & _
' " Default value: " & strDefault & vbCrLf & _
' " Value read: '" & value & "'" & vbCrLf & _
' " err.number = " & err.number, vbOkOnly
if err.number <> 0 then
readFromRegistry= strDefault
else
readFromRegistry=value
end if
set WSHShell = nothing
end function
]]>
</CustomAction>
</Include>
On Thu, Jan 12, 2012 at 4:27 PM, Christopher Painter <chr...@iswix.com>wrote:
> My memory of the way Java stores there version information in the registry
> isn't very friendly to MSI's RegLocator pattern. You might need a custom
> action.
>
> ----------------------------------------
>
> From: "T. Kuro Kurosaka" <k...@basistech.com>
>
> Sent: Thursday, January 12, 2012 6:21 PM
>
> To: wix-users@lists.sourceforge.net
>
> Subject: [WiX-users] Writing JDK version verification code, and Wix
> debugging tip
>
>
> Wix & MSI newbie here.
>
>
> My product requires JDK 1.6 installation, and I'm trying to come up with
>
> Wix code to verify the system has JDK 1.5 installed before proceeding
>
> installation of my product.
>
>
> I thought this would work:
>
>
> <Property Id="JDKVER">
>
> <RegistrySearch Id="NetFramework20"
>
> Root="HKLM"
>
> Key="SOFTWARE\JavaSoft\Java Development Kit"
>
> Name="CurrentVersion"
>
> Type="raw" />
>
> </Property>
>
>
> <Condition Message="This application requires Java Developer Kit 1.5 (or
>
> higher).">
>
> <![CDATA[Installed OR (JDKVER << "1.5" )]]> <!-- test with 1.6, 1.7,
>
> 1.8, etc. will be added later. -->
>
> </Condition>
>
>
> But this didn't work. Even if JDK 1.5 is installed, this message is
>
> displayed.
>
>
> Anybody has experience doing JDK version check?
>
>
> In an attempt to debug this, I wanted to display the value of property
>
> "JDKVER", and inserted this code. This is a modified version of the
>
> code I've found in the Internet:
>
> <CustomAction Id="ShowProperty" Script="vbscript" Execute="immediate">
>
> <![CDATA[
>
> MsgBox "JDKVER =" + Session.Property("JDKVER")
>
> ]]>
>
> </CustomAction>
>
>
> <InstallExecuteSequence>
>
> <Custom Action="ShowProperty" Before="InstallFinalize">True</Custom>
>
> <!-- "Not Installed" didn't work either. -->
>
> </InstallExecuteSequence>
>
>
> But no popup came out. What am I doing wrong here?
>
>
> Thank you in advance.
>
>
> T. "Kuro" Kurosaka
>
>
>
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