#! /bin/bash

# Create the ~/processing directory, in case it doesn't exist yet. 
if [ ! -d ~/processing ]
then
	mkdir ~/processing
fi


# Look for java and start it
JAVA=

# Find out current sun-java versions
JREs=$(/usr/sbin/update-alternatives --list java | grep sun)
for BINARY in $JREs
do
	# See if the version is >= 1.4
	VERSION=$($BINARY -version 2>&1 | head -n1 | sed -r "s/.*\"([0-9]\.[0-9])\..*/\1/g")
	ALLOW=$(expr $VERSION ">=" 1.4)
	
	if [ $ALLOW -eq 1 ]
	then
		JAVA=$BINARY
		break;
	fi 
done


if [ $JAVA  ]
then
	# Go! 
	echo "Starting Processing using $JAVA... "
	export CLASSPATH=lib:lib/build:lib/pde.jar:lib/core.jar:lib/oro.jar:lib/registry.jar:lib/mrj.jar:lib/antlr.jar
	cd /usr/share/processing
	$JAVA processing.app.Base
else      
	# Java not found...                                       
	echo "Processing could not be started, because no suitable Java Runtime Environment was found. "; 

	if [ -x "/usr/bin/notify-send" ]
	then
		notify-send --urgency=critical "Processing" "Processing could not be started, because no suitable Java Runtime Environment was found. "
	fi
fi