mac版本java反编译JD-GUI

      #!/bin/bash
##################################################################################
#                                                                                #
# universalJavaApplicationStub                                                   #
#                                                                                #
# A BASH based 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      2023-02-04                                                          #
# @version   3.3.0                                                               #
#                                                                                #
##################################################################################
#                                                                                #
# The MIT License (MIT)                                                          #
#                                                                                #
# Copyright (c) 2014-2023 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.                                                                      #
#                                                                                #
##################################################################################



# function 'stub_logger()'
#
# A logger which logs to the macOS Console.app using the 'syslog' command
#
# @param1  the log message
# @return  void
################################################################################
function stub_logger() {
	syslog -s -k \
		Facility com.apple.console \
		Level Notice \
		Sender "$(basename "$0")" \
		Message "[$$][${CFBundleName:-$(basename "$0")}] $1"
}



# set the directory abspath of the current
# shell script with symlinks being resolved
############################################

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
PROGDIR=$(dirname "$PRG")
stub_logger "[StubDir] $PROGDIR"



# set files and folders
############################################

# the absolute path of the app package
cd "$PROGDIR"/../../ || exit 11
AppPackageFolder=$(pwd)

# the base path of the app package
cd .. || exit 12
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=""
JVMMaxVersion=""



# function 'plist_get()'
#
# read a specific Plist key with 'PlistBuddy' utility
#
# @param1  the Plist key with leading colon ':'
# @return  the value as String or Array
################################################################################
plist_get(){
	/usr/libexec/PlistBuddy -c "print $1" "${InfoPlistFile}" 2> /dev/null
}

# function 'plist_get_java()'
#
# read a specific Plist key with 'PlistBuddy' utility
# in the 'Java' or 'JavaX' dictionary (<dict>)
#
# @param1  the Plist :Java(X):Key with leading colon ':'
# @return  the value as String or Array
################################################################################
plist_get_java(){
	plist_get ${JavaKey:-":Java"}$1
}



# read Info.plist and extract JVM options
############################################

# read the program name from CFBundleName
CFBundleName=$(plist_get ':CFBundleName')

# read the icon file name
CFBundleIconFile=$(plist_get ':CFBundleIconFile')


# 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' file in Apple style if exit code returns 0 (true, ':Java' key is present)
if [ $exitcode -eq 0 ]; then
	stub_logger "[PlistStyle] Apple"

	# set Java and Resources folder
	JavaFolder="${AppleJavaFolder}"
	ResourcesFolder="${AppleResourcesFolder}"

	# set expandable variables
	APP_ROOT="${AppPackageFolder}"
	APP_PACKAGE="${AppPackageFolder}"
	JAVAROOT="${AppleJavaFolder}"
	USER_HOME="$HOME"


	# read the Java WorkingDirectory
	JVMWorkDir=$(plist_get_java ':WorkingDirectory' | xargs)
	# set Working Directory based upon PList value
	if [[ ! -z ${JVMWorkDir} ]]; then
		WorkingDirectory="${JVMWorkDir}"
	else
		# AppPackageRoot is the standard WorkingDirectory when the script is started
		WorkingDirectory="${AppPackageRoot}"
	fi
	# expand variables $APP_PACKAGE, $APP_ROOT, $JAVAROOT, $USER_HOME
	WorkingDirectory=$(eval echo "${WorkingDirectory}")


	# read the MainClass name
	JVMMainClass="$(plist_get_java ':MainClass')"

	# read the SplashFile name
	JVMSplashFile=$(plist_get_java ':SplashFile')

	# read the JVM Properties as an array and retain spaces
	IFS=$'\t\n'
	JVMOptions=($(xargs -n1 <<<$(plist_get_java ':Properties' | grep " =" | sed 's/^ */-D/g' | sed -E 's/ = (.*)$/="\1"/g')))
	unset IFS
	# post processing of the array follows further below...

	# read the ClassPath in either Array or String style
	JVMClassPath_RAW=$(plist_get_java ':ClassPath' | xargs)
	if [[ $JVMClassPath_RAW == *Array* ]] ; then
		JVMClassPath=.$(plist_get_java ':ClassPath' | grep "    " | sed 's/^ */:/g' | tr -d '\n' | xargs)
	else
		JVMClassPath=${JVMClassPath_RAW}
	fi
	# expand variables $APP_PACKAGE, $APP