I have a product that will use a 64bit installer. It uses an exe
wrapper
for the jar files so that the programs can be entered as Windows
services and the config programs can run from the Start menu. The
wrapper requires different binaries for the type of JVM installed,
32bit
executables for runnning the jars under a 32bit JVM, and 64bit
executables for running the same jars under a 64bit JVM.
The requirements for the 64bit installer is to detect which JVM is
installed. If it finds the 64bit JRE, it stops there and installs
the
64bit exe's (and the associated jar files) under
ProgramFiles64Folder,
upon failing that, it should search for the 32bit JRE, and then
install
the 32bit exe's (and associated jar files) under
ProgramFilesFolder.
Here is the WiX snippet I have:
<Property Id="JRE64">
<RegistrySearch Id="J64REVER" Type="raw"
Root="HKLM" Key="Software\JavaSoft\Java Runtime
Environment\CurrentVersion" Name="JavaVersion" />
</Property>
<Property Id="JRE32">
<RegistrySearch Id="J32REVER" Type="raw"
Root="HKLM" Key="Wow6432Node\JavaSoft\Java Runtime
Environment\CurrentVersion" Name="JavaVersion" />
</Property>
<Condition Message="This application requires Java Version 7
or higher">
<![CDATA[ (Installed OR JRE32 OR JRE64) AND JRE32 < "1.7"
AND JRE64 < "1.7" ]]>
</Condition>
I don't think my condition is right. What I want it to say, in
pseudo
code, is:
IF (
(NOT JRE32 OR JRE32 < "1.7")
AND
(NOT JRE64 OR JRE64 < "1.7")
)
THEN stop install with the message.
Since it is possible to have both an 32bit JRE and 64bit JRE
installed
on a 64bit system, it is important to check for both, but default
to the
64bit JRE if it is up-to-date and available.
Thanks!
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