Java Decompiler反编译工具
1. 下载地址：http://java-decompiler.github.io/
2. 需要安装 java 8 及以上环境，Oracle 官网 jdk 下载地址：https://www.oracle.com/technetwork/java/javase/downloads/jdk13-downloads-5672538.html
3. 应用界面如下图：
4. 可能出现以下报错信息
解决方法如下：
将universalJavaApplicationStub.sh文件中的内容替换为https://github.com/tofi86/universalJavaApplicationStub/blob/v3.0.6/src/universalJavaApplicationStub 中的内容，如下
#!/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 2020-03-19 # # @version 3.0.6 # # # ################################################################################## # # # The MIT License (MIT) # # # # Copyright (c) 2014-2020 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="${AppleResourcesFolder}" APP_PACKAGE="${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, $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, $JAVAROOT, $USER_HOME JVMClassPath=$(eval echo "${JVMClassPath}") # read the JVM Options in either Array or String style JVMDefaultOptions_RAW=$(plist_get_java ':VMOptions' | xargs) if [[ $JVMDefaultOptions_RAW == *Array* ]] ; then JVMDefaultOptions=$(plist_get_java ':VMOptions' | grep " " | sed 's/^ */ /g' | tr -d '\n' | xargs) else JVMDefaultOptions=${JVMDefaultOptions_RAW} fi # read StartOnMainThread and add as -XstartOnFirstThread JVMStartOnMainThread=$(plist_get_java ':StartOnMainThread') if [ "${JVMStartOnMainThread}" == "true" ]; then JVMDefaultOptions+=" -XstartOnFirstThread" fi # read the JVM Arguments in either Array or String style (#76) and retain spaces IFS=$'\t\n' MainArgs_RAW=$(plist_get_java ':Arguments' | xargs) if [[ $MainArgs_RAW == *Array* ]] ; then MainArgs=($(xargs -n1 <<<$(plist_get_java ':Arguments' | tr -d '\n' | sed -E 's/Array \{ *(.*) *\}/\1/g' | sed 's/ */ /g'))) else MainArgs=($(xargs -n1 <<<$(plist_get_java ':Arguments'))) fi unset IFS # post processing of the array follows further below... # read the Java version we want to find JVMVersion=$(plist_get_java ':JVMVersion' | xargs) # post processing of the version string follows below... # read 'Info.plist' file in Oracle style else stub_logger "[PlistStyle] Oracle" # set Working Directory and Java and Resources folder JavaFolder="${OracleJavaFolder}" ResourcesFolder="${OracleResourcesFolder}" WorkingDirectory="${OracleJavaFolder}" APP_ROOT="${AppPackageFolder}" # read the MainClass name JVMMainClass="$(plist_get ':JVMMainClassName')" # read the SplashFile name JVMSplashFile=$(plist_get ':JVMSplashFile') # read the JVM Options as an array and retain spaces IFS=$'\t\n' JVMOptions=($(plist_get ':JVMOptions' | grep " " | sed 's/^ *//g')) unset IFS # post processing of the array follows further below... # read the ClassPath in either Array or String style JVMClassPath_RAW=$(plist_get ':JVMClassPath') if [[ $JVMClassPath_RAW == *Array* ]] ; then JVMClassPath=.$(plist_get ':JVMClassPath' | 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 'AppName.app/Contents/Java/*' classpath (#42) fi # read the JVM Default Options JVMDefaultOptions=$(plist_get ':JVMDefaultOptions' | grep -o " \-.*" | tr -d '\n' | xargs) # read the Main Arguments from JVMArguments key as an array and retain spaces (see #46 for naming details) IFS=$'\t\n' MainArgs=($(xargs -n1 <<<$(plist_get ':JVMArguments' | tr -d '\n' | sed -E 's/Array \{ *(.*) *\}/\1/g' | sed 's/ */ /g'))) unset IFS # post processing of the array follows further below... # read the Java version we want to find JVMVersion=$(plist_get ':JVMVersion' | xargs) # post processing of the version string follows below... fi # (#75) check for undefined icons or icon names without .icns extension and prepare # an osascript statement for those cases when the icon can be shown in the dialog DialogWithIcon="" if [ ! -z ${CFBundleIconFile} ]; then if [[ ${CFBundleIconFile} == *.icns ]] && [[ -f "${ResourcesFolder}/${CFBundleIconFile}" ]] ; then DialogWithIcon=" with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)" elif [[ ${CFBundleIconFile} != *.icns ]] && [[ -f "${ResourcesFolder}/${CFBundleIconFile}.icns" ]] ; then CFBundleIconFile+=".icns" DialogWithIcon=" with icon path to resource \"${CFBundleIconFile}\" in bundle (path to me)" fi fi # JVMVersion: post processing and optional splitting if [[ ${JVMVersion} == *";"* ]]; then minMaxArray=(${JVMVersion//;/ }) JVMVersion=${minMaxArray[0]//+} JVMMaxVersion=${minMaxArray[1]//+} fi stub_logger "[JavaRequirement] JVM minimum version: ${JVMVersion}" stub_logger "[JavaRequirement] JVM maximum version: ${JVMMaxVersion}" # MainArgs: replace occurences of $APP_ROOT with its content MainArgsArr=() for i in "${MainArgs[@]}" do MainArgsArr+=("$(eval echo "$i")") done # JVMOptions: replace occurences of $APP_ROOT with its content JVMOptionsArr=() for i in "${JVMOptions[@]}" do JVMOptionsArr+=("$(eval echo "$i")") done # internationalized messages ############################################ LANG=$(defaults read -g AppleLocale) stub_logger "[Language] $LANG" # 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_JVMVERSION_REQ_INVALID="La syntaxe de la version de Java demandée est invalide: %s\nVeuillez contacter le développeur de l'application." MSG_NO_SUITABLE_JAVA="La version de Java installée sur votre système ne convient pas.\nCe programme nécessite Java %s" MSG_JAVA_VERSION_OR_LATER="ou ultérieur" MSG_JAVA_VERSION_LATEST="(dernière mise à jour)" MSG_JAVA_VERSION_MAX="à %s" 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="Java by Oracle" MSG_VISIT_ADOPTOPENJDK="Java by AdoptOpenJDK" # 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_JVMVERSION_REQ_INVALID="Die Syntax der angeforderten Java-Version ist ungültig: %s\nBitte kontaktieren Sie den Entwickler der App." MSG_NO_SUITABLE_JAVA="Es wurde keine passende Java-Version auf Ihrem System gefunden!\nDieses Programm benötigt Java %s" MSG_JAVA_VERSION_OR_LATER="oder neuer" MSG_JAVA_VERSION_LATEST="(neuste Unterversion)" MSG_JAVA_VERSION_MAX="bis %s" 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 von Oracle" MSG_VISIT_ADOPTOPENJDK="Java von AdoptOpenJDK" # Simplifyed Chinese localization elif [[ $LANG == zh* ]] ; then MSG_ERROR_LAUNCHING="无法启动 '${CFBundleName}'." MSG_MISSING_MAINCLASS="没有指定 'MainClass'！\nJava程序无法启动!" MSG_JVMVERSION_REQ_INVALID="Java版本参数语法错误: %s\n请联系该应用的开发者。" MSG_NO_SUITABLE_JAVA="没有在系统中找到合适的Java版本！\n必须安装Java %s才能够使用该程序！" MSG_JAVA_VERSION_OR_LATER="及以上版本" MSG_JAVA_VERSION_LATEST="（最新版本）" MSG_JAVA_VERSION_MAX="最高为 %s" MSG_NO_SUITABLE_JAVA_CHECK="请确保系统中安装了所需的Java版本" MSG_INSTALL_JAVA="你需要在Mac中安装Java运行环境！\n访问 java.com 了解如何安装。" MSG_LATER="稍后" MSG_VISIT_JAVA_DOT_COM="Java by Oracle" MSG_VISIT_ADOPTOPENJDK="Java by AdoptOpenJDK" # English default localization else MSG_ERROR_LAUNCHING="ERROR launching '${CFBundleName}'." MSG_MISSING_MAINCLASS="'MainClass' isn't specified!\nJava application cannot be started!" MSG_JVMVERSION_REQ_INVALID="The syntax of the required Java version is invalid: %s\nPlease contact the App developer." MSG_NO_SUITABLE_JAVA="No suitable Java version found on your system!\nThis program requires Java %s" MSG_JAVA_VERSION_OR_LATER="or later" MSG_JAVA_VERSION_LATEST="(latest update)" MSG_JAVA_VERSION_MAX="up to %s" 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="Java by Oracle" MSG_VISIT_ADOPTOPENJDK="Java by AdoptOpenJDK" fi # function 'get_java_version_from_cmd()' # # returns Java version string from 'java -version' command # works for both old (1.8) and new (9) version schema # # @param1 path to a java JVM executable # @return the Java version number as displayed in 'java -version' command ################################################################################ function get_java_version_from_cmd() { # second sed command strips " and -ea from the version string echo $("$1" -version 2>&1 | awk '/version/{print $3}' | sed -E 's/"//g;s/-ea//g') } # function 'extract_java_major_version()' # # extract Java major version from a version string # # @param1 a Java version number ('1.8.0_45') or requirement string ('1.8+') # @return the major version (e.g. '7', '8' or '9', etc.) ################################################################################ function extract_java_major_version() { echo $(echo "$1" | sed -E 's/^1\.//;s/^([0-9]+)(-ea|(\.[0-9_.]{1,7})?)(-b[0-9]+-[0-9]+)?[+*]?$/\1/') } # function 'get_comparable_java_version()' # # return comparable version for a Java version number or requirement string # # @param1 a Java version number ('1.8.0_45') or requirement string ('1.8+') # @return an 8 digit numeral ('1.8.0_45'->'08000045'; '9.1.13'->'09001013') ################################################################################ function get_comparable_java_version() { # cleaning: 1) remove leading '1.'; 2) remove build string (e.g. '-b14-468'); 3) remove 'a-Z' and '-*+' (e.g. '-ea'); 4) replace '_' with '.' local cleaned=$(echo "$1" | sed -E 's/^1\.//g;s/-b[0-9]+-[0-9]+$//g;s/[a-zA-Z+*\-]//g;s/_/./g') # splitting at '.' into an array local arr=( ${cleaned//./ } ) # echo a string with left padded version numbers echo "$(printf '%02s' ${arr[0]})$(printf '%03s' ${arr[1]})$(printf '%03s' ${arr[2]})" } # function 'is_valid_requirement_pattern()' # # check whether the Java requirement is a valid requirement pattern # # supported requirements are for example: # - 1.6 requires Java 6 (any update) [1.6, 1.6.0_45, 1.6.0_88] # - 1.6* requires Java 6 (any update) [1.6, 1.6.0_45, 1.6.0_88] # - 1.6+ requires Java 6 or higher [1.6, 1.6.0_45, 1.8, 9, etc.] # - 1.6.0 requires Java 6 (any update) [1.6, 1.6.0_45, 1.6.0_88] # - 1.6.0_45 requires Java 6u45 [1.6.0_45] # - 1.6.0_45+ requires Java 6u45 or higher [1.6.0_45, 1.6.0_88, 1.8, etc.] # - 9 requires Java 9 (any update) [9.0.*, 9.1, 9.3, etc.] # - 9* requires Java 9 (any update) [9.0.*, 9.1, 9.3, etc.] # - 9+ requires Java 9 or higher [9.0, 9.1, 10, etc.] # - 9.1 requires Java 9.1 (any update) [9.1.*, 9.1.2, 9.1.13, etc.] # - 9.1* requires Java 9.1 (any update) [9.1.*, 9.1.2, 9.1.13, etc.] # - 9.1+ requires Java 9.1 or higher [9.1, 9.2, 10, etc.] # - 9.1.3 requires Java 9.1.3 [9.1.3] # - 9.1.3* requires Java 9.1.3 (any update) [9.1.3] # - 9.1.3+ requires Java 9.1.3 or higher [9.1.3, 9.1.4, 9.2.*, 10, etc.] # - 10-ea requires Java 10 (early access release) # # unsupported requirement patterns are for example: # - 1.2, 1.3, 1.9 Java 2, 3 are not supported # - 1.9 Java 9 introduced a new versioning scheme # - 6u45 known versioning syntax, but unsupported # - 9-ea*, 9-ea+ early access releases paired with */+ # - 9., 9.*, 9.+ version ending with a . # - 9.1., 9.1.*, 9.1.+ version ending with a . # - 9.3.5.6 4 part version number is unsupported # # @param1 a Java requirement string ('1.8+') # @return boolean exit code: 0 (is valid), 1 (is not valid) ################################################################################ function is_valid_requirement_pattern() { local java_req=$1 java8pattern='1\.[4-8](\.[0-9]+)?(\.0_[0-9]+)?[*+]?' java9pattern='(9|1[0-9])(-ea|[*+]|(\.[0-9]+){1,2}[*+]?)?' # test matches either old Java versioning scheme (up to 1.8) or new scheme (starting with 9) if [[ ${java_req} =~ ^(${java8pattern}|${java9pattern})$ ]]; then return 0 else return 1 fi } # determine which JVM to use ############################################ # default Apple JRE plugin path (< 1.6) apple_jre_plugin="/Library/Java/Home/bin/java" apple_jre_version=$(get_java_version_from_cmd "${apple_jre_plugin}") # default Oracle JRE plugin path (>= 1.7) oracle_jre_plugin="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java" oracle_jre_version=$(get_java_version_from_cmd "${oracle_jre_plugin}") # first check system variable "$JAVA_HOME" -> has precedence over any other System JVM stub_logger '[JavaSearch] Checking for $JAVA_HOME ...' if [ -n "$JAVA_HOME" ] ; then stub_logger "[JavaSearch] ... found JAVA_HOME with value $JAVA_HOME" # PR 26: Allow specifying "$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 JAVACMD_version=$(get_comparable_java_version $(get_java_version_from_cmd "${JAVACMD}")) else stub_logger "[JavaSearch] ... didn't found JAVA_HOME" fi # check for any other or a specific Java version # also if $JAVA_HOME exists but isn't executable if [ -z "${JAVACMD}" ] || [ ! -x "${JAVACMD}" ] ; then stub_logger "[JavaSearch] Checking for JavaVirtualMachines on the system ..." # reset variables JAVACMD="" JAVACMD_version="" # first check whether JVMVersion string is a valid requirement string if [ ! -z "${JVMVersion}" ] && ! is_valid_requirement_pattern ${JVMVersion} ; then MSG_JVMVERSION_REQ_INVALID_EXPANDED=$(printf "${MSG_JVMVERSION_REQ_INVALID}" "${JVMVersion}") # log exit cause stub_logger "[EXIT 4] ${MSG_JVMVERSION_REQ_INVALID_EXPANDED}" # display error message with AppleScript osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_JVMVERSION_REQ_INVALID_EXPANDED}\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1${DialogWithIcon}" # exit with error exit 4 fi # then check whether JVMMaxVersion string is a valid requirement string if [ ! -z "${JVMMaxVersion}" ] && ! is_valid_requirement_pattern ${JVMMaxVersion} ; then MSG_JVMVERSION_REQ_INVALID_EXPANDED=$(printf "${MSG_JVMVERSION_REQ_INVALID}" "${JVMMaxVersion}") # log exit cause stub_logger "[EXIT 5] ${MSG_JVMVERSION_REQ_INVALID_EXPANDED}" # display error message with AppleScript osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_JVMVERSION_REQ_INVALID_EXPANDED}\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1${DialogWithIcon}" # exit with error exit 5 fi # find installed JavaVirtualMachines (JDK + JRE) allJVMs=() # read JDK's from '/usr/libexec/java_home -V' command while read -r line; do version=$(echo $line | awk -F $',' '{print $1;}') path=$(echo $line | awk -F $'" ' '{print $2;}') path+="/bin/java" allJVMs+=("$version:$path") done < <(/usr/libexec/java_home -V 2>&1 | grep '^[[:space:]]') # unset while loop variables unset version path # add Apple JRE if available if [ -x "${apple_jre_plugin}" ] ; then allJVMs+=("$apple_jre_version:$apple_jre_plugin") fi # add Oracle JRE if available if [ -x "${oracle_jre_plugin}" ] ; then allJVMs+=("$oracle_jre_version:$oracle_jre_plugin") fi # debug output for i in "${allJVMs[@]}" do stub_logger "[JavaSearch] ... found JVM: $i" done # determine JVMs matching the min/max version requirement minC=$(get_comparable_java_version ${JVMVersion}) maxC=$(get_comparable_java_version ${JVMMaxVersion}) matchingJVMs=() for i in "${allJVMs[@]}" do # split JVM string at ':' delimiter to retain spaces in $path substring IFS=: arr=($i) ; unset IFS # [0] JVM version number ver=${arr[0]} # comparable JVM version number comp=$(get_comparable_java_version $ver) # [1] JVM path path="${arr[1]}" # construct string item for adding to the "matchingJVMs" array item="$comp:$ver:$path" # pre-requisite: current version number needs to be greater than min version number if [ "$comp" -ge "$minC" ] ; then # perform max version checks if max version requirement is present if [ ! -z ${JVMMaxVersion} ] ; then # max version requirement ends with '*' modifier if [[ ${JVMMaxVersion} == *\* ]] ; then # use the '*' modifier from the max version string as wildcard for a 'starts with' comparison # and check whether the current version number starts with the max version wildcard string if [[ ${ver} == ${JVMMaxVersion} ]]; then matchingJVMs+=("$item") # or whether the current comparable version is lower than the comparable max version elif [ "$comp" -le "$maxC" ] ; then matchingJVMs+=("$item") fi # max version requirement ends with '+' modifier -> always add this version if it's greater than $min # because a max requirement with + modifier doesn't make sense elif [[ ${JVMMaxVersion} == *+ ]] ; then matchingJVMs+=("$item") # matches 6 zeros at the end of the max version string (e.g. for 1.8, 9) # -> then the max version string should be treated like with a '*' modifier at the end #elif [[ ${maxC} =~ ^[0-9]{2}0{6}$ ]] && [ "$comp" -le $(( ${maxC#0} + 999 )) ] ; then # matchingJVMs+=("$item") # matches 3 zeros at the end of the max version string (e.g. for 9.1, 10.3) # -> then the max version string should be treated like with a '*' modifier at the end #elif [[ ${maxC} =~ ^[0-9]{5}0{3}$ ]] && [ "$comp" -le "${maxC}" ] ; then # matchingJVMs+=("$item") # matches standard requirements without modifier elif [ "$comp" -le "$maxC" ]; then matchingJVMs+=("$item") fi # no max version requirement: # min version requirement ends with '+' modifier # -> always add the current version because it's greater than $min elif [[ ${JVMVersion} == *+ ]] ; then matchingJVMs+=("$item") # min version requirement ends with '*' modifier # -> use the '*' modifier from the min version string as wildcard for a 'starts with' comparison # and check whether the current version number starts with the min version wildcard string elif [[ ${JVMVersion} == *\* ]] ; then if [[ ${ver} == ${JVMVersion} ]] ; then matchingJVMs+=("$item") fi # compare the min version against the current version with an additional * wildcard for a 'starts with' comparison # -> e.g. add 1.8.0_44 when the requirement is 1.8 elif [[ ${ver} == ${JVMVersion}* ]] ; then matchingJVMs+=("$item") fi fi done # unset for loop variables unset arr ver comp path item # debug output for i in "${matchingJVMs[@]}" do stub_logger "[JavaSearch] ... ... matches all requirements: $i" done # sort the matching JavaVirtualMachines by version number # https://stackoverflow.com/a/11789688/1128689 IFS=$'\n' matchingJVMs=($(sort -nr <<<"${matchingJVMs[*]}")) unset IFS # get the highest matching JVM for ((i = 0; i < ${#matchingJVMs[@]}; i++)); do # split JVM string at ':' delimiter to retain spaces in $path substring IFS=: arr=(${matchingJVMs[$i]}) ; unset IFS # [0] comparable JVM version number comp=${arr[0]} # [1] JVM version number ver=${arr[1]} # [2] JVM path path="${arr[2]}" # use current value as JAVACMD if it's executable if [ -x "$path" ] ; then JAVACMD="$path" JAVACMD_version=$comp break fi done # unset for loop variables unset arr comp ver path fi # log the Java Command and the extracted version number stub_logger "[JavaCommand] '$JAVACMD'" stub_logger "[JavaVersion] $(get_java_version_from_cmd "${JAVACMD}")${JAVACMD_version:+ / $JAVACMD_version}" if [ -z "${JAVACMD}" ] || [ ! -x "${JAVACMD}" ] ; then # different error messages when a specific JVM was required if [ ! -z "${JVMVersion}" ] ; then # display human readable java version (#28) java_version_hr=$(echo ${JVMVersion} | sed -E 's/^1\.([0-9+*]+)$/ \1/g' | sed "s/+/ ${MSG_JAVA_VERSION_OR_LATER}/;s/*/ ${MSG_JAVA_VERSION_LATEST}/") MSG_NO_SUITABLE_JAVA_EXPANDED=$(printf "${MSG_NO_SUITABLE_JAVA}" "${java_version_hr}"). if [ ! -z "${JVMMaxVersion}" ] ; then java_version_hr=$(extract_java_major_version ${JVMVersion}) java_version_max_hr=$(echo ${JVMMaxVersion} | sed -E 's/^1\.([0-9+*]+)$/ \1/g' | sed "s/+//;s/*/ ${MSG_JAVA_VERSION_LATEST}/") MSG_NO_SUITABLE_JAVA_EXPANDED="$(printf "${MSG_NO_SUITABLE_JAVA}" "${java_version_hr}") $(printf "${MSG_JAVA_VERSION_MAX}" "${java_version_max_hr}")" fi # log exit cause stub_logger "[EXIT 3] ${MSG_NO_SUITABLE_JAVA_EXPANDED}" # display error message with AppleScript osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_NO_SUITABLE_JAVA_EXPANDED}\n${MSG_NO_SUITABLE_JAVA_CHECK}\" with title \"${CFBundleName}\" buttons {\" OK \", \"${MSG_VISIT_JAVA_DOT_COM}\", \"${MSG_VISIT_ADOPTOPENJDK}\"} default button 1${DialogWithIcon}" \ -e "set response to button returned of the result" \ -e "if response is \"${MSG_VISIT_JAVA_DOT_COM}\" then open location \"https://www.java.com/download/\"" \ -e "if response is \"${MSG_VISIT_ADOPTOPENJDK}\" then open location \"https://adoptopenjdk.net/releases.html\"" # exit with error exit 3 else # log exit cause stub_logger "[EXIT 1] ${MSG_ERROR_LAUNCHING}" # display error message with AppleScript osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_INSTALL_JAVA}\" with title \"${CFBundleName}\" buttons {\"${MSG_LATER}\", \"${MSG_VISIT_JAVA_DOT_COM}\", \"${MSG_VISIT_ADOPTOPENJDK}\"} default button 1${DialogWithIcon}" \ -e "set response to button returned of the result" \ -e "if response is \"${MSG_VISIT_JAVA_DOT_COM}\" then open location \"https://www.java.com/download/\"" \ -e "if response is \"${MSG_VISIT_ADOPTOPENJDK}\" then open location \"https://adoptopenjdk.net/releases.html\"" # exit with error exit 1 fi fi # MainClass check ############################################ if [ -z "${JVMMainClass}" ]; then # log exit cause stub_logger "[EXIT 2] ${MSG_MISSING_MAINCLASS}" # display error message with AppleScript osascript -e "tell application \"System Events\" to display dialog \"${MSG_ERROR_LAUNCHING}\n\n${MSG_MISSING_MAINCLASS}\" with title \"${CFBundleName}\" buttons {\" OK \"} default button 1${DialogWithIcon}" # exit with error exit 2 fi # execute $JAVACMD and do some preparation ############################################ # 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}" || exit 13 stub_logger "[WorkingDirectory] ${WorkingDirectory}" # execute Java and set # - classpath # - splash image # - dock icon # - app name # - JVM options / properties (-D) # - JVM default options (-X) # - main class # - main class arguments # - passthrough arguments from Terminal or Drag'n'Drop to Finder icon stub_logger "[Exec] \"$JAVACMD\" -cp \"${JVMClassPath}\" -splash:\"${ResourcesFolder}/${JVMSplashFile}\" -Xdock:icon=\"${ResourcesFolder}/${CFBundleIconFile}\" -Xdock:name=\"${CFBundleName}\" ${JVMOptionsArr:+$(printf "'%s' " "${JVMOptionsArr[@]}") }${JVMDefaultOptions:+$JVMDefaultOptions }${JVMMainClass}${MainArgsArr:+ $(printf "'%s' " "${MainArgsArr[@]}")}${ArgsPassthru:+ $(printf "'%s' " "${ArgsPassthru[@]}")}" exec "${JAVACMD}" \ -cp "${JVMClassPath}" \ -splash:"${ResourcesFolder}/${JVMSplashFile}" \ -Xdock:icon="${ResourcesFolder}/${CFBundleIconFile}" \ -Xdock:name="${CFBundleName}" \ ${JVMOptionsArr:+"${JVMOptionsArr[@]}" }\ ${JVMDefaultOptions:+$JVMDefaultOptions }\ "${JVMMainClass}"\ ${MainArgsArr:+ "${MainArgsArr[@]}"}\ ${ArgsPassthru:+ "${ArgsPassthru[@]}"}
保证系统上正确安装了Java ；
保存，运行JD-GUI即可。
