#!/bin/sh

set -e

case $(uname -m) in
	'i686'|'i586')
		arch=i386; dld=i586;;
	'x86_64')
		arch=amd64; dld=x64;;
	*)
		echo "Please report to author unsupported platform '`uname -m`'.";
		echo "Proceeding without web browser plugin support";
		arch='';
esac

J_INSTALL_DIR=/usr/lib/jvm/java-6-oracle

if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then

	# This will issue ignorable warnings for alternatives that are not part of a group
	if [ -d "$J_INSTALL_DIR/man/man1" ]; then
		for f in $J_INSTALL_DIR/man/man1/*; do
			name=`basename $f .1.gz`;
			# Some files, like jvisualvm might not be links. 
			# Further assume this for corresponding man page
			if [ ! -f "/usr/bin/$name" -o -L "/usr/bin/$name" ]; then
				if [ ! -f "$J_INSTALL_DIR/man/man1/$name.1.gz" ]; then
					# Handle any legacy uncompressed pages
					name=`basename $f .1`;
				fi
				update-alternatives --remove $name $J_INSTALL_DIR/bin/$name
			fi
		done

	else
		# No man pages available
		if [ -e $J_INSTALL_DIR/bin/ ]; then
			for f in $J_INSTALL_DIR/bin/*; do
 				name=`basename $f`;
				if [ ! -f "/usr/bin/$name" -o -L "/usr/bin/$name" ]; then
					# Some files, like jvisualvm might not be links
					update-alternatives --remove $name $J_INSTALL_DIR/bin/$name
				fi
			done
		fi
	fi


	if which update-binfmts >/dev/null; then
		# Try to remove and ignore the error
		if [ -e /var/lib/binfmts/jar ]; then
			update-binfmts --package oracle-java6 --remove jar /usr/bin/jexec || true
		fi
	fi

	# Remove links without man pages
	[ -f $J_INSTALL_DIR/jre/bin/java_vm ]     && update-alternatives --remove     java_vm     $J_INSTALL_DIR/jre/bin/java_vm
	[ -f $J_INSTALL_DIR/bin/jcontrol ]    && update-alternatives --remove    jcontrol    $J_INSTALL_DIR/bin/jcontrol

	# Remove manually installed jre
	[ -f $J_INSTALL_DIR/jre/lib/jexec ] && update-alternatives --remove jexec $J_INSTALL_DIR/jre/lib/jexec
	[ -f $J_INSTALL_DIR/jre/bin/java ] && update-alternatives --remove java $J_INSTALL_DIR/jre/bin/java

	# Remove Firefox (and compatible) plugin.
	[ -f $J_INSTALL_DIR/jre/lib/$arch/libnpjp2.so ] && update-alternatives --remove mozilla-javaplugin.so $J_INSTALL_DIR/jre/lib/$arch/libnpjp2.so

fi


#DEBHELPER#

exit 0

# vim: ts=2 sw=2