#!/bin/sh
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##################################################################################
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# #
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# universalJavaApplicationStub #
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# #
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# #
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# A shellscript JavaApplicationStub for Java Apps on Mac OS X #
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# that works with both Apple's and Oracle's plist format. #
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# #
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# Inspired by Ian Roberts stackoverflow answer #
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# at http://stackoverflow.com/a/17546508/1128689 #
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# #
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# #
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# @author Tobias Fischer #
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# @url https://github.com/tofi86/universalJavaApplicationStub #
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# @date 2015-10-08 #
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# @version 1.0.0 #
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# #
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# #
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##################################################################################
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# #
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# #
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# The MIT License (MIT) #
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# #
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# Copyright (c) 2015 Tobias Fischer #
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# #
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# Permission is hereby granted, free of charge, to any person obtaining a copy #
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# of this software and associated documentation files (the "Software"), to deal #
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# in the Software without restriction, including without limitation the rights #
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
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# copies of the Software, and to permit persons to whom the Software is #
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# furnished to do so, subject to the following conditions: #
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# #
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# The above copyright notice and this permission notice shall be included in all #
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# copies or substantial portions of the Software. #
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# #
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
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# SOFTWARE. #
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# #
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##################################################################################
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#
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# resolve symlinks
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############################################
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PRG=$0
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while [ -h "$PRG" ]; do
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ls=`ls -ld "$PRG"`
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link=`expr "$ls" : '^.*-> \(.*\)$' 2>/dev/null`
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if expr "$link" : '^/' 2> /dev/null >/dev/null; then
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PRG="$link"
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else
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PRG="`dirname "$PRG"`/$link"
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fi
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done
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# set the directory abspath of the current shell script
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PROGDIR=`dirname "$PRG"`
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#
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# set files and folders
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############################################
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# the absolute path of the app package
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cd "$PROGDIR"/../../
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AppPackageFolder=`pwd`
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# the base path of the app package
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cd ..
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AppPackageRoot=`pwd`
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# set Apple's Java folder
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AppleJavaFolder="${AppPackageFolder}"/Contents/Resources/Java
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# set Apple's Resources folder
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AppleResourcesFolder="${AppPackageFolder}"/Contents/Resources
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# set Oracle's Java folder
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OracleJavaFolder="${AppPackageFolder}"/Contents/Java
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# set Oracle's Resources folder
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OracleResourcesFolder="${AppPackageFolder}"/Contents/Resources
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# set path to Info.plist in bundle
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InfoPlistFile="${AppPackageFolder}"/Contents/Info.plist
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# set the default JVM Version to a null string
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JVMVersion=""
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#
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# read Info.plist and extract JVM options
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############################################
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# read the program name from CFBundleName
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CFBundleName=`/usr/libexec/PlistBuddy -c "print :CFBundleName" "${InfoPlistFile}"`
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# read the icon file name
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CFBundleIconFile=`/usr/libexec/PlistBuddy -c "print :CFBundleIconFile" "${InfoPlistFile}"`
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# check Info.plist for Apple style Java keys -> if key :Java is present, parse in apple mode
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/usr/libexec/PlistBuddy -c "print :Java" "${InfoPlistFile}" > /dev/null 2>&1
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exitcode=$?
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JavaKey=":Java"
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# if no :Java key is present, check Info.plist for universalJavaApplication style JavaX keys -> if key :JavaX is present, parse in apple mode
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if [ $exitcode -ne 0 ]; then
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/usr/libexec/PlistBuddy -c "print :JavaX" "${InfoPlistFile}" > /dev/null 2>&1
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exitcode=$?
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JavaKey=":JavaX"
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fi
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# read Info.plist in Apple style if exit code returns 0 (true, :Java key is present)
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if [ $exitcode -eq 0 ]; then
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# set Java and Resources folder
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JavaFolder="${AppleJavaFolder}"
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ResourcesFolder="${AppleResourcesFolder}"
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APP_PACKAGE="${AppPackageFolder}"
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JAVAROOT="${AppleJavaFolder}"
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USER_HOME="$HOME"
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# read the Java WorkingDirectory
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JVMWorkDir=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:WorkingDirectory" "${InfoPlistFile}" 2> /dev/null | xargs`
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# set Working Directory based upon Plist info
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if [[ ! -z ${JVMWorkDir} ]]; then
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WorkingDirectory="${JVMWorkDir}"
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else
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# AppPackageRoot is the standard WorkingDirectory when the script is started
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WorkingDirectory="${AppPackageRoot}"
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fi
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# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
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WorkingDirectory=`eval "echo ${WorkingDirectory}"`
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# read the MainClass name
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JVMMainClass=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:MainClass" "${InfoPlistFile}" 2> /dev/null`
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# read the SplashFile name
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JVMSplashFile=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:SplashFile" "${InfoPlistFile}" 2> /dev/null`
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# read the JVM Options
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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`
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# replace occurences of $APP_ROOT with its content
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JVMOptions=`eval "echo ${JVMOptions}"`
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# read StartOnMainThread
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JVMStartOnMainThread=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:StartOnMainThread" "${InfoPlistFile}" 2> /dev/null`
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if [ "${JVMStartOnMainThread}" == "true" ]; then
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JVMOptions+=" -XstartOnFirstThread"
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fi
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# read the ClassPath in either Array or String style
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JVMClassPath_RAW=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:ClassPath" "${InfoPlistFile}" 2> /dev/null`
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if [[ $JVMClassPath_RAW == *Array* ]] ; then
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JVMClassPath=.`/usr/libexec/PlistBuddy -c "print ${JavaKey}:ClassPath" "${InfoPlistFile}" 2> /dev/null | grep " " | sed 's/^ */:/g' | tr -d '\n' | xargs`
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else
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JVMClassPath=${JVMClassPath_RAW}
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fi
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# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
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JVMClassPath=`eval "echo ${JVMClassPath}"`
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# read the JVM Default Options
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JVMDefaultOptions=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:VMOptions" "${InfoPlistFile}" 2> /dev/null | xargs`
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# read the JVM Arguments
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JVMArguments=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:Arguments" "${InfoPlistFile}" 2> /dev/null | xargs`
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# replace occurences of $APP_ROOT with its content
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JVMArguments=`eval "echo ${JVMArguments}"`
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# read the Java version we want to find
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JVMVersion=`/usr/libexec/PlistBuddy -c "print ${JavaKey}:JVMVersion" "${InfoPlistFile}" 2> /dev/null | xargs`
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# read Info.plist in Oracle style
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else
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# set Working Directory and Java and Resources folder
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JavaFolder="${OracleJavaFolder}"
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ResourcesFolder="${OracleResourcesFolder}"
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WorkingDirectory="${OracleJavaFolder}"
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APP_ROOT="${AppPackageFolder}"
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# read the MainClass name
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JVMMainClass=`/usr/libexec/PlistBuddy -c "print :JVMMainClassName" "${InfoPlistFile}" 2> /dev/null`
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# read the SplashFile name
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JVMSplashFile=`/usr/libexec/PlistBuddy -c "print :JVMSplashFile" "${InfoPlistFile}" 2> /dev/null`
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# read the JVM Options
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JVMOptions=`/usr/libexec/PlistBuddy -c "print :JVMOptions" "${InfoPlistFile}" 2> /dev/null | grep " -" | tr -d '\n' | sed 's/ */ /g' | xargs`
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# replace occurences of $APP_ROOT with its content
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JVMOptions=`eval "echo ${JVMOptions}"`
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# read the ClassPath in either Array or String style
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JVMClassPath_RAW=`/usr/libexec/PlistBuddy -c "print JVMClassPath" "${InfoPlistFile}" 2> /dev/null`
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if [[ $JVMClassPath_RAW == *Array* ]] ; then
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JVMClassPath=.`/usr/libexec/PlistBuddy -c "print JVMClassPath" "${InfoPlistFile}" 2> /dev/null | grep " " | sed 's/^ */:/g' | tr -d '\n' | xargs`
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elif [[ ! -z ${JVMClassPath_RAW} ]] ; then
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JVMClassPath=${JVMClassPath_RAW}
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else
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#default: fallback to OracleJavaFolder
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JVMClassPath="${JavaFolder}/*"
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fi
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# expand variables $APP_PACKAGE, $JAVAROOT, $USER_HOME
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JVMClassPath=`eval "echo ${JVMClassPath}"`
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# read the JVM Default Options
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JVMDefaultOptions=`/usr/libexec/PlistBuddy -c "print :JVMDefaultOptions" "${InfoPlistFile}" 2> /dev/null | grep -o " \-.*" | tr -d '\n' | xargs`
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# read the JVM Arguments
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JVMArguments=`/usr/libexec/PlistBuddy -c "print :JVMArguments" "${InfoPlistFile}" 2> /dev/null | tr -d '\n' | sed -E 's/Array \{ *(.*) *\}/\1/g' | sed 's/ */ /g' | xargs`
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# replace occurences of $APP_ROOT with its content
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JVMArguments=`eval "echo ${JVMArguments}"`
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fi
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#
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# function: Java version tester
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############################################
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function JavaVersionSatisfiesRequirement() {
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java_ver=$1
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java_req=$2
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# e.g. 1.8*
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if [[ ${java_req} =~ ^[0-9]\.[0-9]\*$ ]] ; then
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java_req_num=${java_req:0:3}
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java_ver_num=${java_ver:0:3}
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if [ ${java_ver_num} == ${java_req_num} ] ; then
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return 0
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else
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return 1
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fi
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# e.g. 1.8+
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elif [[ ${java_req} =~ ^[0-9]\.[0-9]\+$ ]] ; then
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java_req_num=`echo ${java_req} | sed -E 's/[[:punct:]]//g'`
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java_ver_num=`echo ${java_ver} | sed -E 's/[[:punct:]]//g'`
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if [ ${java_ver_num} -ge ${java_req_num} ] ; then
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return 0
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else
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return 1
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fi
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# e.g. 1.8
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elif [[ ${java_req} =~ ^[0-9]\.[0-9]$ ]] ; then
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if [ ${java_ver} == ${java_req} ] ; then
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return 0
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else
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return 1
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fi
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# not matching any of the above patterns
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else
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return 2
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fi
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}
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#
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# function: extract Java major version
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# from java -version command
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############################################
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function extractJavaMajorVersion() {
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echo `"$1" -version 2>&1 | awk '/version/{print $NF}' | sed -E 's/"([0-9.]{3})[0-9_.]{5}"/\1/g'`
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}
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#
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# find installed Java versions
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############################################
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apple_jre_plugin="/Library/Java/Home/bin/java"
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apple_jre_version=`extractJavaMajorVersion "${apple_jre_plugin}"`
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oracle_jre_plugin="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java"
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oracle_jre_version=`extractJavaMajorVersion "${oracle_jre_plugin}"`
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# first check system variable "$JAVA_HOME"
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if [ -n "$JAVA_HOME" ] ; then
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JAVACMD="$JAVA_HOME/bin/java"
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# check for JVMversion requirements
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elif [ ! -z ${JVMVersion} ] ; then
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# first in "/usr/libexec/java_home" symlinks
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if [ -x /usr/libexec/java_home ] && /usr/libexec/java_home -F -v ${JVMVersion} > /dev/null ; then
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JAVACMD="`/usr/libexec/java_home -F -v ${JVMVersion} 2> /dev/null`/bin/java"
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# then in Apple JRE plugin
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elif [ -x "${apple_jre_plugin}" ] && JavaVersionSatisfiesRequirement ${apple_jre_version} ${JVMVersion} ; then
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JAVACMD="${apple_jre_plugin}"
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# then in Oracle JRE plugin
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elif [ -x "${oracle_jre_plugin}" ] && JavaVersionSatisfiesRequirement ${oracle_jre_version} ${JVMVersion} ; then
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JAVACMD="${oracle_jre_plugin}"
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else
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# display error message with applescript
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osascript -e "tell application \"System Events\" to display dialog \"ERROR launching '${CFBundleName}'\n\nNo suitable Java version found on your system!\nThis program requires Java ${JVMVersion}\nMake sure you install the required Java version.\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1 with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)"
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# exit with error
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exit 3
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fi
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# otherwise check "/usr/libexec/java_home" symlinks
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elif [ -x /usr/libexec/java_home ] && /usr/libexec/java_home -F > /dev/null; then
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JAVACMD="`/usr/libexec/java_home 2> /dev/null`/bin/java"
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# otherwise check Java standard symlink (old Apple JRE)
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elif [ -h /Library/Java/Home ]; then
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JAVACMD="${apple_jre_plugin}"
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# fallback: public JRE plugin (Oracle Java)
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else
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JAVACMD="${oracle_jre_plugin}"
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fi
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# fallback fallback: /usr/bin/java
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# but this would prompt to install deprecated Apple Java 6
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#
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# execute JAVA commandline and do some pre-checks
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####################################################
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# display error message if MainClassName is empty
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if [ -z ${JVMMainClass} ]; then
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# display error message with applescript
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osascript -e "tell application \"System Events\" to display dialog \"ERROR launching '${CFBundleName}'!\n\n'MainClass' isn't specified!\nJava application cannot be started!\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1 with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)"
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# exit with error
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exit 2
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# check whether $JAVACMD is a file and executable
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elif [ -f "$JAVACMD" ] && [ -x "$JAVACMD" ] ; then
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# enable drag&drop to the dock icon
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export CFProcessPath="$0"
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# change to Working Directory based upon Apple/Oracle Plist info
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cd "${WorkingDirectory}"
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# execute Java and set
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# - classpath
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# - dock icon
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# - application name
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# - JVM options
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# - JVM default options
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# - main class
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# - JVM arguments
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exec "$JAVACMD" \
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-cp "${JVMClassPath}" \
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-splash:"${ResourcesFolder}/${JVMSplashFile}" \
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-Xdock:icon="${ResourcesFolder}/${CFBundleIconFile}" \
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-Xdock:name="${CFBundleName}" \
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${JVMOptions:+$JVMOptions }\
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${JVMDefaultOptions:+$JVMDefaultOptions }\
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${JVMMainClass}\
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${JVMArguments:+ $JVMArguments}
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else
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# display error message with applescript
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osascript -e "tell application \"System Events\" to display dialog \"ERROR launching '${CFBundleName}'!\n\nYou need to have JAVA installed on your Mac!\nVisit http://java.com for more information...\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1 with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)"
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# and open java.com
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open http://java.com
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# exit with error
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exit 1
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fi
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