debian packaging: use javahelper

debian/control

@@ -2,7 +2,7 @@ Source: floodlight
 Section: unknown
 Priority: extra
 Maintainer: Rich Lane <rlane@bigswitch.com>
-Build-Depends: debhelper (>= 8.0.0)
+Build-Depends: debhelper (>= 8.0.0), javahelper (>= 0.40ubuntu1)
 Standards-Version: 3.9.2
 Homepage: <insert the upstream URL, if relevant>
 #Vcs-Git: git://git.debian.org/collab-maint/floodlight.git
@@ -10,6 +10,6 @@ Homepage: <insert the upstream URL, if relevant>
 
 Package: floodlight
 Architecture: all
-Depends: ${misc:Depends}
+Depends: ${java:Depends}, ${misc:Depends}
 Description: <insert up to 60 chars description>
  <insert long description, indented with spaces>

debian/rules

@@ -9,5 +9,7 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+export JAVA_HOME=/usr/lib/jvm/default-java
+
 %:
-	dh $@ 
+	dh $@ --with javahelper