#!/bin/sh

# run-class: Executes the given class using the ImageJ launcher.

set -e

# -- Subroutines --

die () {
	echo "$*" >&2
	exit 1
}

imagej_exec () {
	ARCH="$(getconf LONG_BIT)"
	case "$(uname)" in
		Linux)
			echo "ImageJ-linux$ARCH"
			;;
		Darwin)
			echo "Contents/MacOS/ImageJ-macosx"
			;;
		CYGWIN)
			echo "ImageJ-win$ARCH"
			;;
		*)
			echo "ImageJ"
			;;
	esac
}

# -- Parse main class argument --

test $# -gt 0 ||
	die "Usage: $0 <main.class> [...]"

# -- Determine ImageJ directory --

imagej="$(cd $(dirname "$0")/.. && pwd)"

test -d "$imagej/jars" ||
	die "Invalid ImageJ installation: $imagej"

# -- Launch ImageJ --

"$imagej/$(imagej_exec)" --headless \
	--full-classpath --main-class $@