javaAppletUpdate.sh

#!/bin/bash

#####################################################################################################
# NAME: Java Applet Update
# DESCRIPTION: Updates Java Applet
# ABOUT: Modified version of Peter Loobuyck's script
####################################################################################################

# Determine OS version
osvers=$(sw_vers -productVersion | awk -F. '{print $2}')

# check if newer version exists
plugin="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Info.plist"
if [ -f "$plugin" ]
then
    currentver=`/usr/bin/defaults read "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Info.plist" CFBundleShortVersionString`
    echo " Current version is $currentver"
    currentvermain="${currentver:5:1}"
    echo "Installed main version is $currentvermain"
    currentvermin="${currentver:14:3}"
    echo "Installed minor version is $currentvermin"
    onlineversionmain=`curl -L http://www.java.com/en/download/manual.jsp | grep "Recommended Version" | awk '{ print $4}'`
    echo "Online main: $onlineversionmain"
    onlineversionmin1=`curl -L http://www.java.com/en/download/manual.jsp | grep "Recommended Version" | awk '{ print $6}' | awk -F "<" '{ print $1}'`
    onlineversionmin="${onlineversionmin1:0:3}"
    echo "Online minor: $onlineversionmin"
    if [ "${onlineversionmain}" != "${currentvermain}" ] || [ "${onlineversionmin}" != "${currentvermin}" ]
    then
        installjava=1
    fi
else
    installjava=1
fi

# Find Download URL
fileURL=`curl -L http://www.java.com/en/download/manual.jsp | grep "Download Java for Mac OS X" | awk -F "\"" '{ print $4;exit}'`

# Specify name of downloaded disk image
java_eight_dmg="/tmp/java_eight.dmg"

if [[ "${osvers}" -lt 7 ]]; then
  exit 0
fi

if [ "$installjava" = 1 ]
then
    echo "Start installing Java"
    if [[ "${osvers}" -ge 7 ]]; then
        # Download the latest Oracle Java 8 software disk image
        /usr/bin/curl --retry 3 -Lo "$java_eight_dmg" "$fileURL"

        # Specify a /tmp/java_eight.XXXX mountpoint for the disk image
        TMPMOUNT=`/usr/bin/mktemp -d /Volumes/java_eight.XXXX`

        # Mount the latest Oracle Java disk image to /tmp/java_eight.XXXX mountpoint
        hdiutil attach "$java_eight_dmg" -mountpoint "$TMPMOUNT" -nobrowse -noverify -noautoopen

        # Install Oracle Java 8 from the installer package.
        if [[ -e "$(/usr/bin/find $TMPMOUNT -name *Java*.pkg)" ]]; then
          pkg_path=`/usr/bin/find $TMPMOUNT -name *Java*.pkg`
        elif [[ -e "$(/usr/bin/find $TMPMOUNT -name *Java*.mpkg)" ]]; then
          pkg_path=`/usr/bin/find $TMPMOUNT -name *Java*.mpkg`
        fi

        # Before installation, the installer's developer certificate is checked
        if [[ "${pkg_path}" != "" ]]; then
          /usr/sbin/installer -dumplog -verbose -pkg "${pkg_path}" -target "/" > /dev/null 2>&1
        fi

        # Clean-up
        # Unmount the disk image from /tmp/java_eight.XXXX
        /usr/bin/hdiutil detach -force "$TMPMOUNT"

        # Remove the /tmp/java_eight.XXXX mountpoint
        /bin/rm -rf "$TMPMOUNT"

        # Remove the downloaded disk image
        /bin/rm -rf "$java_eight_dmg"

        # Remove xml file
        /bin/rm -rf /tmp/au-1.8.0_20.xml
    fi
fi

exit 0