@echo off
SETLOCAL

set serverlang=en
set java_min_version=1.5.0_00
set PROGNAME="gs2-server"
if "%PROGABBR%" == "" set PROGABBR="GSI"
pushd "%CD%"
CD /D "%~dp0"

echo Greenstone 2 Server
echo Copyright (C) 2009, New Zealand Digital Library Project, University Of Waikato
echo This software comes with ABSOLUTELY NO WARRANTY; for details see LICENSE.txt
echo This is free software, and you are welcome to redistribute it

::  -------- Run the Greenstone 2 Server --------

::  ---- Determine GSDLHOME ----
set gsdl2path=

:: Some users may set the above line manually
if "%gsdl2path%" == "" (
   set GSDLHOME=%CD%
   set gsdl2path=%CD%
)
echo GS2 Home: %GSDLHOME%

:: Setup Greenstone2, unless it has already been done
:: If either GSDLHOME or GSDLOS is not set, need to run setup.bat first
:: OR operations in an IF stmt: http://fixunix.com/ms-dos/21057-how-implement-if-condition-batch-file.html
for %%i in ("%GSDLOS%" "%GSDLHOME%") do if %%i == "" set OR=True
if "%OR%" == "True" (
   pushd "%gsdl2path%"
   call setup.bat
rem   echo **** GSDLOS: %GSDLOS% and GSDLHOME: %GSDLHOME%
   popd
)


:: First test that there is actually something that can be run...
:: Exit if the apache-httpd folder doesn't exist for some reason
:: (The errors reported when the apache webserver does not exist 
:: in the correct location are not at all helpful).

:: "You cannot use the if command to test directly for a directory, but
:: the null (NUL) device does exist in every directory. As a result, you
:: can test for the null device to determine whether a directory exists."
::echo %GSDLHOME%\apache-httpd\nul
if not exist %GSDLHOME%\apache-httpd\nul (
    echo.
    echo UNABLE TO CONTINUE: There is no apache-httpd directory.
    echo It does not look like the local apache webserver has been installed.
    echo Exiting...
    echo.
    goto exit
)
:: exit 1


:: If there's no llssite.cfg file, copy from the template
if exist "%GSDLHOME%\llssite.cfg" goto cfgfile
if exist "%GSDLHOME%\llssite.cfg.in" (
   copy "%GSDLHOME%\llssite.cfg.in" "%GSDLHOME%\llssite.cfg"
) else (
   echo Warning: could not find llssite.cfg.in to create llssite.cfg from.
)

:cfgfile
::  ---- Determine GSDLHOME ----
:: JRE_HOME or JAVA_HOME must be set correctly to run this program
bin\windows\search4j -m %java_min_version% > nul
echo.
:: In Java code, '...getResourceAsStream("build.properties")'
:: needs up to be in the right directory when run
if %ERRORLEVEL% equ 0 pushd %GSDL2PATH%

:: http://ss64.com/nt/call.html (and leave in trailing slash)
call :isinpath %GSDLHOME%\lib\java

:: After the call, we come back here
goto chkjava

:isinpath
:: http://ss64.com/nt/syntax-replace.html and http://ss64.com/nt/syntax-args.html
:: (Does not work: section "Finding items within the PATH environment variable")
:: Instead, we expand the filepath of parameter 1 to its full path and
:: try to subtract it from the classpath. 
::call set test_cpath=%%CLASSPATH:%~f1=%%
call set test_cpath=%%CLASSPATH:%1=%%

:: If there IS a difference in the classpath before and after,
:: then the filepath was already on the classpath
if not "%CLASSPATH%" == "%test_cpath%" (
   echo   - CLASSPATH already correct
   echo %CLASSPATH%
   goto :eof
)

:: If there was NO difference in the classpath before and after,
:: then the filepath needs to be added to the classpath
set CLASSPATH=%GSDLHOME%\lib\java;%CLASSPATH%

:: http://ss64.com/nt/for_r.html and (for call) http://ss64.com/nt/for.html
:: http://ss64.com/nt/syntax-args.html
FOR /R "%GSDLHOME%\lib\java" %%G IN (*.jar) DO call :putinpath %%G
echo   - Adjusted CLASSPATH
echo.
::echo CLASSPATH:& echo %CLASSPATH%
goto :eof


:putinpath
echo jarfile: %1
set CLASSPATH=%CLASSPATH%;%1
goto :eof

:: ---- Check Java ----
:chkjava
:: call the script with source, so that we have the variables JAVA_EXECUTABLE and GS_JAVA_HOME it sets
set exit_status=0
:: Need to find Java. If found, JAVA_EXECUTABLE will be set
:: call findjava.bat %serverlang% %PROGNAME%
call "%GSDLHOME%\findjava.bat"
if "%JAVA_EXECUTABLE%" == "" echo **** No Java executable found& goto exit
set PATH=%GS_JAVA_HOME%\bin;%PATH%


:: ---- Run the Greenstone Server Interface ----
echo.
"%JAVA_EXECUTABLE%" org.greenstone.server.Server2 "%GSDLHOME%" "%serverlang%" %*
::echo ******* Second argument to gs2-server.bat is: %2
:: The 1st argument to gs2-server.bat (if any) would be --config, the 2nd is the config
:: filename if it is glisite.cfg, then this script was launched through GLI and would 
:: have opened a DOS console. Need to exit from this script then to close the console.
if "%2" == "%GSDLHOME%\glisite.cfg" goto quitcmd
goto exit

:: Exit the batch script (close the console)
:quitcmd
popd
ENDLOCAL
exit 0

:: Just end the script without closing the console
:exit
popd
ENDLOCAL