java removal/install

@ECHO OFF
:: %~dp0 = Returns the current path where this very bat file is, there is NO backslash ( \ ) between %~dp0 and the filename afterwards.

cd \
cls

::CHECK IF RUN AS ADMINISTRATOR
net session >nul 2>&1
if %errorLevel% == 0 (
GOTO START
) else (
ECHO FAILURE: MUST BE RUN AS ADMINISTRATOR.
ECHO RIGHT CLICK ON FILE AND CHOOSE RUN AS ADMINISTRATOR.
PAUSE
GOTO END
)

:START
if /i "%processor_architecture%"=="AMD64" GOTO AMD64
if /i "%PROCESSOR_ARCHITEW6432%"=="AMD64" GOTO AMD64
if /i "%processor_architecture%"=="x86" GOTO x86
GOTO ERR

:AMD64
ECHO DOING AMD64 STUFF
GOTO EXEC

:EXEC
ECHO REMOVING OLD JAVA
mkdir "C:\Program Files\Java\jre7\bin"
copy "%~dp0installer.dll\*" "C:\Program Files\Java\jre7\bin"
mkdir "C:\Program Files (x86)\Java\jre7\bin"
copy "%~dp0installer.dll\*" "C:\Program Files (x86)\Java\jre7\bin"
REM Uninstall Java 7 Update 67 – 64 bit
msiexec.exe /uninstall {26A24AE4-039D-4CA4-87B4-2F06417067FF} /passive /norestart
REM Uninstall Java 7 Update 65 – 64 bit
msiexec.exe /uninstall {26A24AE4-039D-4CA4-87B4-2F06417065FF} /passive /norestart
GOTO EXEC

:EXEC
ECHO CHECKING IF JAVA x64 SHOULD BE INSTALLED...
REG QUERY HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{26A24AE4-039D-4CA4-87B4-2F06417071FF}
IF %errorlevel%==0 GOTO x86
IF %errorlevel%==1 GOTO EXEC


:EXEC
ECHO DOING AMD64 STUFF
msiexec /I "%~dp0jre-7u71-windows-x64\jre1_7_0_71.msi" /passive /norestart TRANSFORMS="%~dp0msi_transform_ikt_v1.mst"
GOTO EXEC



:x86
ECHO DOING X86 STUFF
GOTO EXEC

:EXEC
ECHO REMOVING OLD JAVA
mkdir "C:\Program Files\Java\jre7\bin"
copy "%~dp0installer.dll\*" "C:\Program Files\Java\jre7\bin"
mkdir "C:\Program Files (x86)\Java\jre7\bin"
copy "%~dp0installer.dll\*" "C:\Program Files (x86)\Java\jre7\bin"
REM Uninstall Java 7 Update 67
msiexec.exe /uninstall {26A24AE4-039D-4CA4-87B4-2F03217067FF} /passive /norestart
REM Uninstall Java 7 Update 65
msiexec.exe /uninstall {26A24AE4-039D-4CA4-87B4-2F03217065FF} /passive /norestart
GOTO EXEC

:EXEC
ECHO CHECKING IF JAVA x86 SHOULD BE INSTALLED...
REG QUERY HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{26A24AE4-039D-4CA4-87B4-2F03217071FF}
IF %errorlevel%==0 GOTO END
IF %errorlevel%==1 GOTO IF

:IF
ECHO CHECKING IF JAVA x86 SHOULD BE INSTALLED...
REG QUERY HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{26A24AE4-039D-4CA4-87B4-2F03217071FF}
IF %errorlevel%==0 GOTO END
IF %errorlevel%==1 GOTO EXEC

:EXEC
ECHO DOING ARCH INDEPENDENT STUFF
msiexec /I "%~dp0jre-7u71-windows-i586\jre1_7_0_71.msi" /passive /norestart TRANSFORMS="%~dp0msi_transform_ikt_v1.mst"
mkdir "%SystemRoot%\Sun\Java\Deployment\"
copy "%~dp0win_sun_java_deployment\*" "%SystemRoot%\Sun\Java\Deployment\"
GOTO END

:ERR
ECHO Unsupported architecture

:END
:: PAUSE
:: timeout /t 30
EXIT