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run.bat
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run.bat
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@echo off
if exist jre (
set "javaDir=jre"
goto startJava
)
rem inspired by http://stackoverflow.com/questions/24486834/reliable-way-to-find-jre-installation-in-windows-bat-file-to-run-java-program
rem requires Windows 7 or higher
setlocal enableextensions disabledelayedexpansion
rem find Java information in the Windows registry
rem for 64 bit Java on Windows 64 bit or for Java on Windows 32 bit
set "javaKey=HKLM\SOFTWARE\JavaSoft\Java Runtime Environment"
rem look for Java version
set "javaVersion="
for /f "tokens=3" %%v in ('reg query "%javaKey%" /v "CurrentVersion" 2^>nul') do set "javaVersion=%%v"
rem for 32 bit Java on Windows 64 bit
set "javaKey32=HKLM\SOFTWARE\Wow6432Node\JavaSoft\Java Runtime Environment"
rem look for 32 bit Java version on Windows 64 bit
set "javaVersion32="
for /f "tokens=3" %%v in ('reg query "%javaKey32%" /v "CurrentVersion" 2^>nul') do set "javaVersion32=%%v"
echo Java version in "%javaKey%" is "%javaVersion%" and in "%javaKey32%" is "%javaVersion32%"
rem test if a java version has been found
if not defined javaVersion if not defined javaVersion32 (
echo Java not found, please install Java JRE
goto endProcess
)
if not defined javaVersion ( set "javaVersion=0" )
if not defined javaVersion32 ( set "javaVersion32=0" )
rem test if a java version is compatible
if not %javaVersion% geq 1.8 (
if not %javaVersion32% geq 1.8 (
echo Java version is lower than 1.8, please install Java 8 or later Java JRE
goto endProcess
) else (
echo using Java 32 bit on a 64 bit Windows workstation
set "javaKey=%javaKey32%"
set "javaVersion=%javaVersion32%"
)
)
rem Get java home for current java version
for /f "tokens=2,*" %%d in ('reg query "%javaKey%\%javaVersion%" /v "JavaHome" 2^>nul') do set "javaDir=%%e"
if not defined javaDir (
echo Java directory not found
goto endProcess
) else (
echo using Java home directory "%javaDir%"
)
:startJava
"%javaDir%"\bin\java.exe -jar Apollo.jar
:endProcess
endlocal