#!/bin/sh

# Startup script for PRISM (Linux/Solaris)

# PRISM home directory
PRISM_DIR=/home/luser/prism

# Command to launch Java
if [ "$PRISM_JAVA" = "" ]; then
	PRISM_JAVA=java
fi

# Max memory for Java
if [ "$PRISM_JAVAMAXMEM" != "" ]; then
	PRISM_JAVAMAXMEM=`echo "$PRISM_JAVAMAXMEM" | awk /^[0-9]+[mk]?$/`
	if [ "$PRISM_JAVAMAXMEM" = "" ]; then
		echo; echo "Error: Environment variable PRISM_JAVAMAXMEM is invalid."; exit
	fi
	PRISM_JAVAMAXMEM="-Xmx$PRISM_JAVAMAXMEM"
fi

# Add PRISM to DYLD_LIBRARY_PATH
if [ "$DYLD_LIBRARY_PATH" = "" ]; then
	DYLD_LIBRARY_PATH="$PRISM_DIR"/lib
else
	DYLD_LIBRARY_PATH="$PRISM_DIR"/lib:$DYLD_LIBRARY_PATH
fi

# Set up classpath - jar file (for binary versions) gets priority
PRISM_CLASSPATH="$PRISM_DIR"/lib/prism.jar:"$PRISM_DIR"/classes:"$PRISM_DIR"/lib/pepa.zip

# Export environment variables
export PRISM_DIR DYLD_LIBRARY_PATH

# Main Java class to launch
if [ "$PRISM_MAINCLASS" = "" ]; then
	PRISM_MAINCLASS=prism.PrismCL
fi

# Do we run headless? (GUI overrides this)
if [ "$PRISM_HEADLESS" = "" ]; then
	PRISM_HEADLESS=true
fi

# Run PRISM through Java
"$PRISM_JAVA" $PRISM_JAVAMAXMEM -Djava.awt.headless=$PRISM_HEADLESS -Djava.library.path=$PRISM_DIR/lib -classpath "$PRISM_CLASSPATH" $PRISM_MAINCLASS "$@"