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#!/bin/bash
##################################################################################
# #
# universalJavaApplicationStub #
# #
# #
# A shellscript JavaApplicationStub for Java Apps on Mac OS X #
# that works with both Apple's and Oracle's plist format. #
# #
# Inspired by Ian Roberts stackoverflow answer #
# at http://stackoverflow.com/a/17546508/1128689 #
# #
# #
# @author Tobias Fischer #
# @url https://github.com/tofi86/universalJavaApplicationStub #
# @date 2017-07-28 #
# @version 2.1.0 #
# #
# #
##################################################################################
# #
# #
# The MIT License (MIT) #
# #
# Copyright (c) 2017 Tobias Fischer #
# #
# Permission is hereby granted, free of charge, to any person obtaining a copy #
# of this software and associated documentation files (the "Software"), to deal #
# in the Software without restriction, including without limitation the rights #
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
# copies of the Software, and to permit persons to whom the Software is #
# furnished to do so, subject to the following conditions: #
# #
# The above copyright notice and this permission notice shall be included in all #
# copies or substantial portions of the Software. #
# #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
# SOFTWARE. #
# #
##################################################################################
#
# resolve symlinks
############################################
PRG=$0
while [ -h "$PRG" ]; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '^.*-> \(.*\)$' 2>/dev/null`
if expr "$link" : '^/' 2> /dev/null >/dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
# set the directory abspath of the current shell script
PROGDIR=`dirname "$PRG"`
#
# set files and folders
############################################
# the absolute path of the app package
cd "$PROGDIR"/../../
AppPackageFolder=`pwd`
# the base path of the app package
cd ..
AppPackageRoot=`pwd`
# set Apple's Java folder
AppleJavaFolder="${AppPackageFolder}"/Contents/Resources/Java
# set Apple's Resources folder
AppleResourcesFolder="${AppPackageFolder}"/Contents/Resources
# set Oracle's Java folder
OracleJavaFolder="${AppPackageFolder}"/Contents/Java
# set Oracle's Resources folder
OracleResourcesFolder="${AppPackageFolder}"/Contents/Resources
# set path to Info.plist in bundle
InfoPlistFile="${AppPackageFolder}"/Contents/Info.plist
# set the default JVM Version to a null string
JVMVersion=""
#
# read Info.plist and extract JVM options
############################################
# read the program name from CFBundleName
CFBundleName=`/usr/libexec/PlistBuddy -c "print :CFBundleName" "${InfoPlistFile}"`
# read the icon file name
CFBundleIconFile=`/usr/libexec/PlistBuddy -c "print :CFBundleIconFile" "${InfoPlistFile}"`
# check Info.plist for Apple style Java keys -> if key :Java is present, parse in apple mode
/usr/libexec/PlistBuddy -c "print :Java" "${InfoPlistFile}" > /dev/null 2>&1
exitcode=$?
JavaKey=":Java"
# if no :Java key is present, check Info.plist for universalJavaApplication style JavaX keys -> if key :JavaX is present, parse in apple mode
if [ $exitcode -ne 0 ]; then
/usr/libexec/PlistBuddy -c "print :JavaX" "${InfoPlistFile}" > /dev/null 2>&1
exitcode=$?
JavaKey=":JavaX"
fi
# read Info.plist in Apple style if exit code returns 0 (true, :Java key is present)
if [ $exitcode -eq 0 ]; then
# set Java and Resources folder
JavaFolder="${AppleJavaFolder}"
ResourcesFolder="${AppleResourcesFolder}"
APP_PACKAGE="${AppPackageFolder}"
JAVAROOT="${AppleJavaFolder}"
USER_HOME="$HOME"
# read the Java WorkingDirectory
JVMWorkDir=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:WorkingDirectory" "${InfoPlistFile}" 2> /dev/null | xargs`
# set Working Directory based upon Plist info
if [[ ! -z ${JVMWorkDir} ]]; then
WorkingDirectory="${JVMWorkDir}"
else
# AppPackageRoot is the standard WorkingDirectory when the script is started
WorkingDirectory="${AppPackageRoot}"
fi
# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
WorkingDirectory=`eval "echo ${WorkingDirectory}"`
# read the MainClass name
JVMMainClass=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:MainClass" "${InfoPlistFile}" 2> /dev/null`
# read the SplashFile name
JVMSplashFile=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:SplashFile" "${InfoPlistFile}" 2> /dev/null`
# read the JVM Options
JVMOptions=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:Properties" "${InfoPlistFile}" 2> /dev/null | grep " =" | sed 's/^ */-D/g' | tr '\n' ' ' | sed 's/ */ /g' | sed 's/ = /=/g' | xargs`
# replace occurences of $APP_ROOT with its content
JVMOptions=`eval "echo ${JVMOptions}"`
# read StartOnMainThread
JVMStartOnMainThread=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:StartOnMainThread" "${InfoPlistFile}" 2> /dev/null`
if [ "${JVMStartOnMainThread}" == "true" ]; then
JVMOptions+=" -XstartOnFirstThread"
fi
# read the ClassPath in either Array or String style
JVMClassPath_RAW=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:ClassPath" "${InfoPlistFile}" 2> /dev/null`
if [[ $JVMClassPath_RAW == *Array* ]] ; then
JVMClassPath=.`/usr/libexec/PlistBuddy -c "print ${JavaKey}:ClassPath" "${InfoPlistFile}" 2> /dev/null | grep " " | sed 's/^ */:/g' | tr -d '\n' | xargs`
else
JVMClassPath=${JVMClassPath_RAW}
fi
# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
JVMClassPath=`eval "echo ${JVMClassPath}"`
# read the JVM Default Options in either Array or String style
JVMDefaultOptions_RAW=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:VMOptions" "${InfoPlistFile}" 2> /dev/null | xargs`
if [[ $JVMDefaultOptions_RAW == *Array* ]] ; then
JVMDefaultOptions=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:VMOptions" "${InfoPlistFile}" 2> /dev/null | grep " " | sed 's/^ */ /g' | tr -d '\n' | xargs`
else
JVMDefaultOptions=${JVMDefaultOptions_RAW}
fi
# read the JVM Arguments
JVMArguments=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:Arguments" "${InfoPlistFile}" 2> /dev/null | xargs`
# replace occurences of $APP_ROOT with its content
JVMArguments=`eval "echo ${JVMArguments}"`
# read the Java version we want to find
JVMVersion=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:JVMVersion" "${InfoPlistFile}" 2> /dev/null | xargs`
# read Info.plist in Oracle style
else
# set Working Directory and Java and Resources folder
JavaFolder="${OracleJavaFolder}"
ResourcesFolder="${OracleResourcesFolder}"
WorkingDirectory="${OracleJavaFolder}"
APP_ROOT="${AppPackageFolder}"
# read the MainClass name
JVMMainClass=`/usr/libexec/PlistBuddy -c "print :JVMMainClassName" "${InfoPlistFile}" 2> /dev/null`
# read the SplashFile name
JVMSplashFile=`/usr/libexec/PlistBuddy -c "print :JVMSplashFile" "${InfoPlistFile}" 2> /dev/null`
# read the JVM Options
JVMOptions=`/usr/libexec/PlistBuddy -c "print :JVMOptions" "${InfoPlistFile}" 2> /dev/null | grep " -" | tr -d '\n' | sed 's/ */ /g' | xargs`
# replace occurences of $APP_ROOT with its content
JVMOptions=`eval "echo ${JVMOptions}"`
# read the ClassPath in either Array or String style
JVMClassPath_RAW=`/usr/libexec/PlistBuddy -c "print JVMClassPath" "${InfoPlistFile}" 2> /dev/null`
if [[ $JVMClassPath_RAW == *Array* ]] ; then
JVMClassPath=.`/usr/libexec/PlistBuddy -c "print JVMClassPath" "${InfoPlistFile}" 2> /dev/null | grep " " | sed 's/^ */:/g' | tr -d '\n' | xargs`
# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
JVMClassPath=`eval "echo ${JVMClassPath}"`
elif [[ ! -z ${JVMClassPath_RAW} ]] ; then
JVMClassPath=${JVMClassPath_RAW}
# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
JVMClassPath=`eval "echo ${JVMClassPath}"`
else
#default: fallback to OracleJavaFolder
JVMClassPath="${JavaFolder}/*"
# Do NOT expand the default App.app/Contents/Java/* classpath (#42)
fi
# read the JVM Default Options
JVMDefaultOptions=`/usr/libexec/PlistBuddy -c "print :JVMDefaultOptions" "${InfoPlistFile}" 2> /dev/null | grep -o " \-.*" | tr -d '\n' | xargs`
# read the JVM Arguments
JVMArguments=`/usr/libexec/PlistBuddy -c "print :JVMArguments" "${InfoPlistFile}" 2> /dev/null | tr -d '\n' | sed -E 's/Array \{ *(.*) *\}/\1/g' | sed 's/ */ /g' | xargs`
# replace occurences of $APP_ROOT with its content
JVMArguments=`eval "echo ${JVMArguments}"`
fi
#
# internationalized messages
#
############################################
LANG=`defaults read -g AppleLocale`
# French localization
if [[ $LANG == fr* ]] ; then
MSG_ERROR_LAUNCHING="Erreur au lancement de '${CFBundleName}'."
MSG_MISSING_MAINCLASS="'MainClass' n'est pas spécifié.\nL'application Java ne peut pas être lancée."
MSG_NO_SUITABLE_JAVA="La version de Java installée sur votre système ne convient pas.\nCe programme nécessite Java"
MSG_JAVA_VERSION_OR_LATER="ou ultérieur"
MSG_JAVA_VERSION_LATEST="(dernière mise à jour)"
MSG_NO_SUITABLE_JAVA_CHECK="Merci de bien vouloir installer la version de Java requise."
MSG_INSTALL_JAVA="Java doit être installé sur votre système.\nRendez-vous sur java.com et suivez les instructions d'installation..."
MSG_LATER="Plus tard"
MSG_VISIT_JAVA_DOT_COM="Visiter java.com"
# German localization
elif [[ $LANG == de* ]] ; then
MSG_ERROR_LAUNCHING="FEHLER beim Starten von '${CFBundleName}'."
MSG_MISSING_MAINCLASS="Die 'MainClass' ist nicht spezifiziert!\nDie Java-Anwendung kann nicht gestartet werden!"
MSG_NO_SUITABLE_JAVA="Es wurde keine passende Java-Version auf Ihrem System gefunden!\nDieses Programm benötigt Java"
MSG_JAVA_VERSION_OR_LATER="oder neuer"
MSG_JAVA_VERSION_LATEST="(neuste Unterversion)"
MSG_NO_SUITABLE_JAVA_CHECK="Stellen Sie sicher, dass die angeforderte Java-Version installiert ist."
MSG_INSTALL_JAVA="Auf Ihrem System muss die 'Java'-Software installiert sein.\nBesuchen Sie java.com für weitere Installationshinweise."
MSG_LATER="Später"
MSG_VISIT_JAVA_DOT_COM="java.com öffnen"
# English default localization
else
MSG_ERROR_LAUNCHING="ERROR launching '${CFBundleName}'."
MSG_MISSING_MAINCLASS="'MainClass' isn't specified!\nJava application cannot be started!"
MSG_NO_SUITABLE_JAVA="No suitable Java version found on your system!\nThis program requires Java"
MSG_JAVA_VERSION_OR_LATER="or later"
MSG_JAVA_VERSION_LATEST="(latest update)"
MSG_NO_SUITABLE_JAVA_CHECK="Make sure you install the required Java version."
MSG_INSTALL_JAVA="You need to have JAVA installed on your Mac!\nVisit java.com for installation instructions..."
MSG_LATER="Later"
MSG_VISIT_JAVA_DOT_COM="Visit java.com"
fi
# helper function:
# extract Java version string from `java -version` command
# works for both old (1.8) and new (9) version schema
##########################################################
function extractJavaVersionString() {
# second sed command strips " and -ea from the version string
echo `"$1" -version 2>&1 | awk '/version/{print $NF}' | sed -E 's/"//g;s/-ea//g'`
}
# helper function:
# extract Java major version from java version string
# - input '1.7.0_76' returns '7'
# - input '1.8.0_121' returns '8'
# - input '9-ea' returns '9'
# - input '9.0.3' returns '9'
##########################################################
function extractJavaMajorVersion() {
java_ver=$1
# Java 6, 7, 8 starts with 1.x
if [ ${java_ver:0:2} == "1." ] ; then
echo ${java_ver} | sed -E 's/1\.([0-9])[0-9_.]{2,6}/\1/g'
else
# Java 9+ starts with x using semver versioning
echo ${java_ver} | sed -E 's/([0-9]+)(-ea|(\.[0-9]+)*)/\1/g'
fi
}
# helper function:
# return comparable version for java version string
# basically just strip punctuation and leading '1.'
##########################################################
function comparableJavaVersionNumber() {
echo $1 | sed -E 's/^1\.//g;s/[[:punct:]]//g'
}
# function:
# Java version tester checks whether a given java version
# satisfies the given requirement
# - parameter1: the java major version (6, 7, 8, 9, etc.)
# - parameter2: the java requirement (1.6, 1.7+, etc.)
# - return: 0 (satiesfies), 1 (does not), 2 (error)
##########################################################
function JavaVersionSatisfiesRequirement() {
java_ver=$1
java_req=$2
# matches requirements with * modifier
# e.g. 1.8*, 9*, 9.1*, 9.2.4*, 10*, 10.1*, 10.1.35*
if [[ ${java_req} =~ ^[0-9]+(\.[0-9]+)*\*$ ]] ; then
# remove last char (*) from requirement string for comparison
java_req_num=${java_req::${#java_req}-1}
if [ ${java_ver} == ${java_req_num} ] ; then
return 0
else
return 1
fi
# matches requirements with + modifier
# e.g. 1.8+, 9+, 9.1+, 9.2.4+, 10+, 10.1+, 10.1.35+
elif [[ ${java_req} =~ ^[0-9]+(\.[0-9]+)*\+$ ]] ; then
java_req_num=$(comparableJavaVersionNumber ${java_req})
java_ver_num=$(comparableJavaVersionNumber ${java_ver})
if [ ${java_ver_num} -ge ${java_req_num} ] ; then
return 0
else
return 1
fi
# matches standard requirements without modifier
# e.g. 1.8, 9, 9.1, 9.2.4, 10, 10.1, 10.1.35
elif [[ ${java_req} =~ ^[0-9]+(\.[0-9]+)*$ ]] ; then
if [ ${java_ver} == ${java_req} ] ; then
return 0
else
return 1
fi
# not matching any of the above patterns
# results in an error
else
return 2
fi
}
#
# find installed Java versions
############################################
apple_jre_plugin="/Library/Java/Home/bin/java"
apple_jre_version=$(extractJavaMajorVersion $(extractJavaVersionString "${apple_jre_plugin}"))
oracle_jre_plugin="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java"
oracle_jre_version=$(extractJavaMajorVersion $(extractJavaVersionString "${oracle_jre_plugin}"))
# first check system variable "$JAVA_HOME"
if [ -n "$JAVA_HOME" ] ; then
# PR 26: Allow specifying "$JAVA_HOME" relative to "$AppPackageFolder"
# which allows for bundling a custom version of Java inside your app!
if [[ $JAVA_HOME == /* ]] ; then
# if "$JAVA_HOME" starts with a Slash it's an absolute path
JAVACMD="$JAVA_HOME/bin/java"
else
# otherwise it's a relative path to "$AppPackageFolder"
JAVACMD="$AppPackageFolder/$JAVA_HOME/bin/java"
fi
# check for a specific Java version, specified in JVMversion Plist key
elif [ ! -z ${JVMVersion} ] ; then
# first check "/usr/libexec/java_home" symlinks
if [ -x /usr/libexec/java_home ] && /usr/libexec/java_home -F -v ${JVMVersion} > /dev/null 2>&1 ; then
JAVACMD="`/usr/libexec/java_home -F -v ${JVMVersion} 2> /dev/null`/bin/java"
JAVACMD_version=$(comparableJavaVersionNumber $(extractJavaVersionString "${JAVACMD}"))
fi
# then additionally check the Oracle JRE plugin whether it's a higher/newer compatible version
if [ -x "${oracle_jre_plugin}" ] && JavaVersionSatisfiesRequirement ${oracle_jre_version} ${JVMVersion} ; then
this_java_ver=$(comparableJavaVersionNumber $(extractJavaVersionString "${oracle_jre_plugin}"))
# use this compatible version only if the above returned empty or if the version number is higher
if [ -z ${JAVACMD} ] || [ ${this_java_ver} -ge ${JAVACMD_version} ] ; then
JAVACMD="${oracle_jre_plugin}"
JAVACMD_version=${this_java_ver}
fi
fi
# then additionally check the Apple JRE plugin whether it's a higher/newer compatible version
if [ -x "${apple_jre_plugin}" ] && JavaVersionSatisfiesRequirement ${apple_jre_version} ${JVMVersion} ; then
this_java_ver=$(comparableJavaVersionNumber $(extractJavaVersionString "${apple_jre_plugin}"))
# use this compatible version only if the above returned empty or if the version number is higher
if [ -z ${JAVACMD} ] || [ ${this_java_ver} -ge ${JAVACMD_version} ] ; then
JAVACMD="${apple_jre_plugin}"
JAVACMD_version=${this_java_ver}
fi
fi
if [ -z "$JAVACMD" ] ; then
# display human readable java version (#28)
java_version_hr=`echo ${JVMVersion} | sed -E 's/[0-9]\.([0-9+*]+)/ \1/g' | sed "s/+/ ${MSG_JAVA_VERSION_OR_LATER}/" | sed "s/*/ ${MSG_JAVA_VERSION_LATEST}/"`
# display error message with applescript
osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_NO_SUITABLE_JAVA}${java_version_hr}.\n${MSG_NO_SUITABLE_JAVA_CHECK}\" with title \"${CFBundleName}\" buttons {\" OK \", \"${MSG_VISIT_JAVA_DOT_COM}\"} default button \"${MSG_VISIT_JAVA_DOT_COM}\" with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)" \
-e "set response to button returned of the result" \
-e "if response is \"${MSG_VISIT_JAVA_DOT_COM}\" then open location \"http://java.com\""
# exit with error
exit 3
fi
# otherwise check "/usr/libexec/java_home" and Oracle and Apple JRE paths and use highest version available
else
# first check "/usr/libexec/java_home" symlinks
if [ -x /usr/libexec/java_home ] && /usr/libexec/java_home -F > /dev/null 2>&1 ; then
JAVACMD="`/usr/libexec/java_home 2> /dev/null`/bin/java"
JAVACMD_version=$(comparableJavaVersionNumber $(extractJavaVersionString "${JAVACMD}"))
fi
# then additionally check the Oracle JRE plugin whether it's a higher/newer compatible version
if [ -x "${oracle_jre_plugin}" ] ; then
this_java_ver=$(comparableJavaVersionNumber $(extractJavaVersionString "${oracle_jre_plugin}"))
# use this compatible version only if the above returned empty or if the version number is higher
if [ -z ${JAVACMD} ] || [ ${this_java_ver} -ge ${JAVACMD_version} ] ; then
JAVACMD="${oracle_jre_plugin}"
JAVACMD_version=${this_java_ver}
fi
fi
# then additionally check the Apple JRE plugin whether it's a higher/newer compatible version
if [ -x "${apple_jre_plugin}" ] ; then
this_java_ver=$(comparableJavaVersionNumber $(extractJavaVersionString "${apple_jre_plugin}"))
# use this compatible version only if the above returned empty or if the version number is higher
if [ -z ${JAVACMD} ] || [ ${this_java_ver} -ge ${JAVACMD_version} ] ; then
JAVACMD="${apple_jre_plugin}"
JAVACMD_version=${this_java_ver}
fi
fi
fi
# fallback fallback: /usr/bin/java
# but this would prompt to install deprecated Apple Java 6
#
# execute JAVA commandline and do some pre-checks
####################################################
# display error message if MainClassName is empty
if [ -z ${JVMMainClass} ]; then
# display error message with applescript
osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_MISSING_MAINCLASS}\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1 with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)"
# exit with error
exit 2
# check whether $JAVACMD is a file and executable
elif [ -f "$JAVACMD" ] && [ -x "$JAVACMD" ] ; then
# enable drag&drop to the dock icon
export CFProcessPath="$0"
# remove Apples ProcessSerialNumber from passthru arguments (#39)
if [[ $@ == -psn* ]] ; then
ArgsPassthru=""
else
ArgsPassthru=$@
fi
# change to Working Directory based upon Apple/Oracle Plist info
cd "${WorkingDirectory}"
# execute Java and set
# - classpath
# - dock icon
# - application name
# - JVM options
# - JVM default options
# - main class
# - JVM arguments
exec "$JAVACMD" \
-cp "${JVMClassPath}" \
-splash:"${ResourcesFolder}/${JVMSplashFile}" \
-Xdock:icon="${ResourcesFolder}/${CFBundleIconFile}" \
-Xdock:name="${CFBundleName}" \
${JVMOptions:+$JVMOptions }\
${JVMDefaultOptions:+$JVMDefaultOptions }\
${JVMMainClass}\
${JVMArguments:+ $JVMArguments}\
${ArgsPassthru:+ $ArgsPassthru}
else
# display error message with applescript
osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_INSTALL_JAVA}\" with title \"${CFBundleName}\" buttons {\"${MSG_LATER}\", \"${MSG_VISIT_JAVA_DOT_COM}\"} default button \"${MSG_VISIT_JAVA_DOT_COM}\" with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)" \
-e "set response to button returned of the result" \
-e "if response is \"${MSG_VISIT_JAVA_DOT_COM}\" then open location \"http://java.com\""
# exit with error
exit 1
fi
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