#!/bin/bash
#
#{{IS_NOTE
#	Purpose:
#		To build java projects
#	Description:
#		'build help' for more descriptions
#	History:
#		March 29 15:11 2001, Created by tomyeh
#		August 21 13:59 2002, Rewritten by tomyeh
#}}IS_NOTE
#
#Copyright (C) 2002 Potix Corporation. All Rights Reserved.
#
#{{IS_RIGHT
#	This program is distributed under GPL Version 2.0 in the hope that
#	it will be useful, but WITHOUT ANY WARRANTY.
#}}IS_RIGHT
#

#-- precondition check
setting=build.setting.local
if [ ! -f $setting ] ; then
	setting=build.setting
	if [ ! -f $setting ] ; then
		echo $setting must be specified. Refer to $setting.sample.
		exit 1
	fi
fi

#-- help, verbose or continue
if [ "$1" = "help" ] ; then
	more build.txt
	exit 0
fi
#nojc is obsolete
#if [ "$1" = "nojc" ] ; then
#	shift
#	nojc="-Dnojc=true"
#else
#	nojc="-Dnojc=false"
#fi
if [ "$1" = "verbose" ] ; then
	shift
	verbose="-verbose -Dverbose.required=true"
fi
if [ "$1" = "continue" ] ; then
	shift
	haltonerror=off
else
	haltonerror=on
fi
if [ "$1" = "unzip" ] ; then
	shift
	unzip=true
else
	unzip=$(grep '^unzip=' $setting)
	unzip=${unzip#unzip=}
	if [ "$unzip" = "false" ] ; then
		unzip=
	fi
fi

jboss_profile=$(grep '^jboss.deploy' $setting)
jboss_profile=${jboss_profile#jboss.deploy=}
if [ "$jboss_profile" != "" ] ; then
	jboss_ear=${jboss_profile#*/}
	if [ "$jboss_ear" = "" ] ; then
		echo "Illegal jboss.deploy: $jboss_profile. It must be xxx/yyy."
	fi
	jboss_profile=${jboss_profile%/*}
fi
jboss_home=/usr/jboss
tomcat_home="$CATALINA_HOME"
if [ ! -d "$tomcat_home" ]; then
  tomcat_home=/usr/tomcat
fi
if [ "$TERM" = "cygwin" ] ; then
	jboss_home=$(cygpath -w $jboss_home)
	jboss_home=${jboss_home%\\}
	tomcat_home=$(cygpath -w $tomcat_home)
	tomcat_home=${tomcat_home%\\}
fi

start_service=$(grep '^start.service' $setting)
start_service=${start_service#start.service=}

#-- parsing dbglfag
dbgflag=$(grep '^D.ON' $setting)
dbgflag=${dbgflag#D.ON=}
if [ "$dbgflag" = "true" ] ; then
	cmd=build.debug
	jstrim=false
elif [ "$dbgflag" = "false" ] ; then
	cmd=build.release
	jstrim=true
else
	echo D.ON in $setting must be either true or false -- not $dbgflag
	exit 1
fi

#-- parsing cmd
cmdList=" bd br cd cr ud ur doc jsrc build.debug build.release clean clean.debug clean.release utest.debug utest.release javadoc help"
if [ \( $# != 0 \) -a \( "${cmdList#* $1 }" != "$cmdList" \) ] ; then
	cmd=$1
	shift
fi

case $cmd in
bd)   cmd=build.debug ;;
br)   cmd=build.release ;;
cd)   cmd=clean.debug ;;
cr)   cmd=clean.release ;;
ud)   cmd=utest.debug ;;
ur)   cmd=utest.release ;;
doc)  cmd=javadoc ;;
esac

outdir=${cmd#*\.}
cmd=${cmd%\.*}
if [ "$outdir" = "$cmd" ] ; then
	if [ "$dbgflag" = "true" ] ; then
		outdir=debug
	else
		outdir=release
	fi
fi

#-- adjust javac debug and optimize flags
dflag=$(grep '^debug=' $setting)
dflag=${dflag#debug=}
if [ "$dflag" = "true" ] ; then
	dflag=on
elif [ "$dflag" = "false" ] ; then
	dflag=off
elif [ "$dflag" != "" ] ; then
	echo Illegal setting: debug=$dflag
	exit 1
fi

oflag=$(grep '^optimize=' $setting)
oflag=${oflag#optimize=}
if [ "$oflag" = "true" ] ; then
	oflag=on
elif [ "$oflag" = "false" ] ; then
	oflag=off
elif [ "$oflag" != "" ] ; then
	echo Illegal setting: optimize=$oflag
	exit 1
fi

if [ "$outdir" = "release" ] ; then
	if [ "$dflag" = "" ] ; then
		dflag="off"
	fi
	if [ "$oflag" = "" ] ; then
		oflag="on"
	fi
else
	if [ "$dflag" = "" ] ; then
		dflag="on"
	fi
	if [ "$oflag" = "" ] ; then
		oflag="off"
	fi
fi
echo "dflag=$dflag, oflag=$oflag"

#-- Prepare define list
dfnList=
if [ $# != 0 ] ; then
	while [ "$1" != "${1#*=}" ] ; do
		dfnList="$dfnList -D$1"
		shift
	done
fi

#-- Prepare $targetList
#Add a project to the target list (the redudant ones won't be added)
if [ $# != 0 ] ; then
	for target in $* ; do
		target=${target%/}
		targetListOld="$targetListOld $target"
		if [ \( ! -d $target \) -a \( ! -d ${target}Test \) ] ; then
			echo "Error: $target doesn't exist"
			exit 1
		fi
	done
else
	if [ ! -f build.projects ] ; then
		echo build.projects not found
		exit 1
	fi
	targetListOld="$(cat build.projects | tr '\n' ' ')"
	targetListOld="${targetListOld% }"
	doall="-Ddo.all=true"
		#denote all projects are built; passed to build.xml
fi

function addToTargetList
{
	if [ \( "${targetList#* $1 }" = "${targetList}" \) -a \
	\( "${targetList% $1}" = "${targetList}" \) -a \
	\( "${targetList#$1 }" = "${targetList}" \) ] ; then
		targetList="$targetList $1"

		#check wether the project is defined correctly
		mustList="format"
		if [ -d $target ] ; then
			for v in $mustList ; do
				if [ ! -f $target/$v ] ; then
					echo "Error: $target/$v doesn't exist"
					exit 1
				fi
			done
		fi
	fi
}


targetList=
if [ "${cmd#utest}" != "$cmd" ] ; then #utest
	for target in $targetListOld ; do
		if [ "${target%Test}" = "$target" ] ; then
			target=${target}Test
		fi
		addToTargetList $target
	done
else
	for target in $targetListOld ; do
		addToTargetList $target
	done
fi

#-- prepare javadocdir ...
if [ "$cmd" = "javadoc" ] ; then
	javadocdir=$(grep '^javadoc' $setting)
	javadocdir=${javadocdir#javadoc=}
	if [ "$javadocdir" = "" ] ; then
		echo javadoc must be specified in $setting
		exit 1
	fi
	javadocdir=${javadocdir/\~/$HOME}
else
	javadocdir=nonexist
fi

#-- subroutine safe_cygpath
#$1: cygpath option
#$2: path
#split path to chunks of $size size and do cygpath
#this is a work around for the cygpath bug which cannot handle too long a path
function safe_cygpath
{
	local path=$2
	local size=400
	local newpath=
	while [ ${#path} -gt $size ] ; do
		path1=${path:0:$size}
		path1=${path1%:*}
		offset=$((${#path1}+1))
		newpath="$newpath;$(cygpath $1 $path1)"
		path=${path:$offset}
	done
	if [ ${#path} -gt 0 ] ; then
		newpath="$newpath;$(cygpath $1 $path)"
	fi
	newpath=${newpath#;}
	echo ${newpath%;}
}

#-- subroutine invoke_ant
#$1: cmd
#$2: target
function invoke_ant
{
	echo "$1.$outdir $2..."
	cd $2

	#handle class.test.local
	local class_test=
	if [ "${cmd#utest}" != "$cmd" ] ; then #utest
		if [ -f class.test.local ] ; then
			ctOrg=$(cat class.test.local | tr '\n' ' ')
			class_test=
			for cls in $ctOrg ; do
				if [ "${cls#\#}" = "$cls" ] ; then
					fl=$(echo $cls | tr '.' '/').java
					if [ "$class_test" = "" ] ; then
						class_test="-Dclass.test=$fl"
					else
						class_test="$class_test,$fl"
							#Don't use whitespace
					fi
				fi
			done
		fi
	fi

	local CP=
	if [ -f classpath ] ; then
		#retrieve path
		CP=$(cat classpath | tr '\n' ':')
		CP=${CP%:}

		#javadoc.class.path shall not contain '.', because xdoclet will
		#ignore files that are found in classpath
		DCP=$(echo $CP | sed -e 's/:\.:/:/g' -e 's/^\.://' -e 's/:\.$//')
		if [ "$TERM" = "cygwin" ] ; then
			DCP=$(safe_cygpath "-mp" "$DCP")
				#Don't convert CP because it is used by bash directly
		fi
	fi
	if [ "$verbose" != "" ] ; then
		echo "CP: $CP"
		echo "DCP: $DCP"
	fi

	local war_libs=
	if [ -f war.libs ] ; then
		war_libs=$(cat war.libs | tr '\n' ',')
		war_libs=${war_libs%,}
	fi
	if [ "$war_libs" = "" ] ; then
		war_libs=nonexist
	fi

	local server_libs=
	if [ -f server.libs ] ; then
		server_libs=$(cat server.libs | tr '\n' ',')
		server_libs=${server_libs%,}
	fi
	if [ "$server_libs" = "" ] ; then
		server_libs="nonexist"
	fi

	local ear_libs=
	if [ -f ear.libs ] ; then
		ear_libs=$(cat ear.libs | tr '\n' ',')
		ear_libs=${ear_libs%,}
	fi
	if [ "$ear_libs" = "" ] ; then
		ear_libs=nonexist
	fi

	local import_libs=
	if [ -f import.libs ] ; then
		import_libs=$(cat import.libs | tr '\n' ',')
		import_libs=${import_libs%,}
	fi
	if [ "$import_libs" = "" ] ; then
		import_libs=nonexist
	fi

	local deploy=
	local unziplist=
	if [ -f deploy ] ; then
		deploy=$(head -1 deploy)
		if [ "$deploy" = "server" ] || [ "${cmd#utest}" != "$cmd" ] ; then
			app=$(grep '^app=' deploy)
			app=${app#app=}
			if [ "$app" = "" ] ; then
				echo "You must specify app=xxx in deploy, because deploy target is server or utest is required"
				exit 1
			fi
			echo Application: $app
		fi
		if [ "$deploy" = "server" ] ; then
			rootContext=$(grep '^root-context=' deploy)
			rootContext=${rootContext#root-context=}

			if [ "$unzip" != "" ]; then
				unziplist=$(grep '^unzip' deploy|tr -d ' ')
				unziplist=${unziplist#unzip=}
				if [ "$unziplist" != "" ] ; then
					unziplist=-Ddeploy.unzip.list="$unziplist"
				fi
			fi
		fi

		zipjslist=$(grep '^zipjs=' deploy)
		zipjslist=${zipjslist#zipjs=}
	else
		deploy=unknown
	fi
	if [ "${zipjslist}" = "" ] ; then
		zipjslist=_na_dir_
	fi

	prjver="$(head -1 version)"
	srcver=$(grep '^source=' version)
	srcver=${srcver#source=}
	if [ "$srcver" = "" ] ; then
		srcver=1.4
	fi
	tgtver=$(grep '^target=' version)
	tgtver=${tgtver#target=}
	if [ "$tgtver" = "" ] ; then
		tgtver=1.4
	fi

	this_dflag=$dflag
	dflagtmp=$(grep '^debug=' version)
	dflagtmp=${dflagtmp#debug=}
	if [ "$dflagtmp" = "true" ] ; then
		this_dflag=on
	elif [ "$dflagtmp" = "false" ] ; then
		this_dflag=off
	fi
	this_oflag=$oflag
	oflagtmp=$(grep '^optimize=' version)
	oflagtmp=${oflagtmp#optimize=}
	if [ "$oflagtmp" = "true" ] ; then
		this_oflag=on
	elif [ "$oflagtmp" = "false" ] ; then
		this_oflag=off
	fi

	format="$(head -1 format)"
	if [ "$format" = "cpp" ] ; then
		if [ ! -d $outdir ] ; then
			mkdir $outdir
		fi
		if [ \( "${cmd#build}" != "$cmd" \) -o \( "${cmd#clean}" != "$cmd" \) ] ; then
		(
			cd $outdir
			DEPLOY_DIR=../../dist/lib make -f ../src/Makefile $1
		)
		fi
	else
		CLASSPATH="$CP" ANT_OPTS=-Xmx160M ant $verbose $class_test \
		$doall -Dformat="$format" -Ddeploy="$deploy" \
		-Dserver.libs="$server_libs" -Dstart.service="$start_service" \
		-Djboss.profile="$jboss_profile" -Djboss.ear="$jboss_ear" \
		-Djboss.home="$jboss_home" -Dtomcat.home="$tomcat_home" \
		-Djs.trim=$jstrim -Dzipjs=$zipjslist\
		-Dwar.libs="$war_libs" -Dbasedir=. \
		-Dear.libs="$ear_libs" -Dimport.libs="$import_libs" \
		-Dproject.name="$2" -Dproject.version="$prjver" \
		-Dsource.version="$srcver" -Dtarget.version="$tgtver" \
		-Dhaltonerror=$haltonerror -Dout.dir=$outdir \
		-Ddebug=$this_dflag -Doptimize=$this_oflag ${nojc} \
		-Dshare.javadoc.dir="$javadocdir" \
		-Djavadoc.class.path="$DCP" -Dapp.name=$app $unziplist \
		-Droot.context=$rootContext \
		$dfnList -buildfile ../build.xml $1
	fi

	if [ $? != 0 ] ; then
		exit $?
	fi

	rm -rf velocity.log junit*.properties
	cd ..
}

start=`date +%s`
echo "targets: ${targetList}"
for target in $targetList ; do
	if [ -d $target ] ; then
		invoke_ant $cmd $target
	else
		echo "Ignore: $target doesn't exist"
	fi
done
end=`date +%s`
buildTime=$(( $end - $start ))
buildTimeMM=$(( $buildTime / 60 ))
buildTimeSS=$(( $buildTime % 60 ))
echo ""
echo "Total build process time: ${buildTimeMM} min ${buildTimeSS} sec."