├── .gitignore
├── README.md
├── build.gradle.kts
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── settings.gradle.kts
└── src
    ├── main
        ├── java
        │   └── cn
        │   │   └── mrdear
        │   │       └── intellij
        │   │           └── decompile
        │   │               ├── OpenDecompileSetting.java
        │   │               ├── OpenHelperWebSiteAction.java
        │   │               ├── ShowDecompileAction.java
        │   │               ├── ShowDiffAction.java
        │   │               ├── state
        │   │                   ├── PluginSettingUIRegister.java
        │   │                   ├── Setting.java
        │   │                   ├── SettingConfigurationPanel.form
        │   │                   └── SettingConfigurationPanel.java
        │   │               ├── ui
        │   │                   ├── ASMifiedToolPanel.java
        │   │                   ├── AbstractToolPanel.java
        │   │                   ├── ByteCodeToolPanel.java
        │   │                   ├── CFRToolPanel.java
        │   │                   ├── DecompileToolWindowFactory.java
        │   │                   └── JavapToolPanel.java
        │   │               └── util
        │   │                   ├── ClassByteCodeSourceImpl.java
        │   │                   ├── ExternalToolsProcessListener.java
        │   │                   └── StringWriterDumperFactory.java
        └── resources
        │   ├── META-INF
        │       └── plugin.xml
        │   └── images
        │       └── java.svg
    └── test
        └── java
            └── cn
                └── mrdear
                    └── test
                        ├── EnumExample.java
                        ├── StringBuilderExample.java
                        └── SwitchCaseExample.java


/.gitignore:
--------------------------------------------------------------------------------
1 | # Project exclude paths
2 | /.gradle/
3 | /build/
4 | /build/classes/java/main/
5 | /out/
6 | .idea


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | # class decompile
  2 | 
  3 | use javap & asm & cfr decompile .class file and show
  4 | 
  5 | ![](https://res.mrdear.cn/1583656954.png?imageMogr2/thumbnail/!60p)
  6 | 
  7 | ## javap
  8 | 
  9 | use javap need external tools support, like this picture config
 10 | 
 11 | ![](https://res.mrdear.cn/1583656067.png?imageMogr2/thumbnail/!100p)
 12 | 
 13 | 
 14 | ```bash
 15 |   -help  --help  -?        输出此用法消息
 16 |   -version                 版本信息
 17 |   -v  -verbose             输出附加信息
 18 |   -l                       输出行号和本地变量表
 19 |   -public                  仅显示公共类和成员
 20 |   -protected               显示受保护的/公共类和成员
 21 |   -package                 显示程序包/受保护的/公共类
 22 |                            和成员 (默认)
 23 |   -p  -private             显示所有类和成员
 24 |   -c                       对代码进行反汇编
 25 |   -s                       输出内部类型签名
 26 |   -sysinfo                 显示正在处理的类的
 27 |                            系统信息 (路径, 大小, 日期, MD5 散列)
 28 |   -constants               显示最终常量
 29 |   -classpath <path>        指定查找用户类文件的位置
 30 |   -cp <path>               指定查找用户类文件的位置
 31 |   -bootclasspath <path>    覆盖引导类文件的位置
 32 | 
 33 | ```
 34 | 
 35 | ## cfr
 36 | 
 37 | refer to [http://www.benf.org/other/cfr/](http://www.benf.org/other/cfr/)
 38 | 
 39 | ```bash
 40 | CFR 0.149
 41 | 
 42 |    --aexagg                         (boolean) 
 43 |    --aggressivesizethreshold        (int >= 0)  default: 15000
 44 |    --allowcorrecting                (boolean)  default: true
 45 |    --analyseas                      (One of [DETECT, JAR, WAR, CLASS]) 
 46 |    --arrayiter                      (boolean)  default: true if class file from version 49.0 (Java 5) or greater
 47 |    --caseinsensitivefs              (boolean)  default: true
 48 |    --clobber                        (boolean) 
 49 |    --collectioniter                 (boolean)  default: true if class file from version 49.0 (Java 5) or greater
 50 |    --commentmonitors                (boolean)  default: false
 51 |    --comments                       (boolean)  default: true
 52 |    --decodeenumswitch               (boolean)  default: true if class file from version 49.0 (Java 5) or greater
 53 |    --decodefinally                  (boolean)  default: true
 54 |    --decodelambdas                  (boolean)  default: true if class file from version 52.0 (Java 8) or greater
 55 |    --decodestringswitch             (boolean)  default: true if class file from version 51.0 (Java 7) or greater
 56 |    --dumpclasspath                  (boolean)  default: false
 57 |    --eclipse                        (boolean)  default: true
 58 |    --elidescala                     (boolean)  default: false
 59 |    --extraclasspath                 (string) 
 60 |    --forcecondpropagate             (boolean) 
 61 |    --forceexceptionprune            (boolean) 
 62 |    --forcereturningifs              (boolean) 
 63 |    --forcetopsort                   (boolean) 
 64 |    --forcetopsortaggress            (boolean) 
 65 |    --forloopaggcapture              (boolean) 
 66 |    --hidebridgemethods              (boolean)  default: true
 67 |    --hidelangimports                (boolean)  default: true
 68 |    --hidelongstrings                (boolean)  default: false
 69 |    --hideutf                        (boolean)  default: true
 70 |    --ignoreexceptions               (boolean)  default: false
 71 |    --ignoreexceptionsalways         (boolean)  default: false
 72 |    --importfilter                   (string) 
 73 |    --innerclasses                   (boolean)  default: true
 74 |    --instanceofpattern              (boolean)  default: true if class file from version 58.0 (Java 14) or greater, or experimental in 58.0 (Java 14)
 75 |    --j14classobj                    (boolean)  default: false if class file from version 49.0 (Java 5) or greater
 76 |    --jarfilter                      (string) 
 77 |    --labelledblocks                 (boolean)  default: true
 78 |    --lenient                        (boolean)  default: false
 79 |    --liftconstructorinit            (boolean)  default: true
 80 |    --methodname                     (string) 
 81 |    --obfuscationpath                (string) 
 82 |    --outputdir                      (string) 
 83 |    --outputpath                     (string) 
 84 |    --override                       (boolean)  default: true if class file from version 50.0 (Java 6) or greater
 85 |    --previewfeatures                (boolean)  default: true
 86 |    --pullcodecase                   (boolean)  default: false
 87 |    --recordtypes                    (boolean)  default: true if class file from version 58.0 (Java 14) or greater, or experimental in 58.0 (Java 14)
 88 |    --recover                        (boolean)  default: true
 89 |    --recovertypeclash               (boolean) 
 90 |    --recovertypehints               (boolean) 
 91 |    --relinkconststring              (boolean)  default: true
 92 |    --removebadgenerics              (boolean)  default: true
 93 |    --removeboilerplate              (boolean)  default: true
 94 |    --removedeadmethods              (boolean)  default: true
 95 |    --removeinnerclasssynthetics     (boolean)  default: true
 96 |    --rename                         (boolean)  default: false
 97 |    --renamedupmembers               (boolean)  default: Value of option 'rename'
 98 |    --renameenumidents               (boolean)  default: Value of option 'rename'
 99 |    --renameillegalidents            (boolean)  default: Value of option 'rename'
100 |    --renamesmallmembers             (int >= 0)  default: 0
101 |    --showinferrable                 (boolean)  default: false if class file from version 51.0 (Java 7) or greater
102 |    --showversion                    (boolean)  default: true
103 |    --silent                         (boolean)  default: false
104 |    --skipbatchinnerclasses          (boolean)  default: true
105 |    --stringbuffer                   (boolean)  default: false if class file from version 49.0 (Java 5) or greater
106 |    --stringbuilder                  (boolean)  default: true if class file from version 49.0 (Java 5) or greater
107 |    --stringconcat                   (boolean)  default: true if class file from version 53.0 (Java 9) or greater
108 |    --sugarasserts                   (boolean)  default: true
109 |    --sugarboxing                    (boolean)  default: true
110 |    --sugarenums                     (boolean)  default: true if class file from version 49.0 (Java 5) or greater
111 |    --switchexpression               (boolean)  default: true if class file from version 57.0 (Java 13) or greater, or experimental in 56.0 (Java 12)
112 |    --tidymonitors                   (boolean)  default: true
113 |    --tryresources                   (boolean)  default: true if class file from version 51.0 (Java 7) or greater
114 |    --usenametable                   (boolean)  default: true
115 |    --help                           (string) 
116 | ```
117 | 


--------------------------------------------------------------------------------
/build.gradle.kts:
--------------------------------------------------------------------------------
 1 | plugins {
 2 |     id("org.jetbrains.intellij") version "1.3.1"
 3 |     java
 4 |     idea
 5 | }
 6 | 
 7 | group = "cn.mrdear.intellij"
 8 | version = "0.0.10"
 9 | 
10 | dependencies {
11 |     // https://mvnrepository.com/artifact/org.benf/cfr
12 |     implementation("org.benf:cfr:0.152")
13 | }
14 | 
15 | // See https://github.com/JetBrains/gradle-intellij-plugin/
16 | intellij {
17 |     version.set("2021.2")
18 |     plugins.addAll("java")
19 | }
20 | tasks {
21 |     patchPluginXml {
22 |         sinceBuild.set("212")
23 |         untilBuild.set("223.*")
24 |         changeNotes.set( """
25 |         0.0.10:<br/>
26 |         1. upgrade gradle to gradle kts <br/>
27 |         2. upgrade cfr version to 152 <br/>
28 |         0.0.9:<br/>
29 |         1. upgrade cfr version <br/>
30 |         0.0.8:<br/>
31 |         1. support intellij 2020.3 <br/>
32 |         """.trimIndent())
33 |     }
34 | }
35 | 


--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/work-helper/class-decompile-intellij/29c3d30a9af9ef8f58abdc8cceeea89a932af13c/gradle/wrapper/gradle-wrapper.jar


--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | distributionBase=GRADLE_USER_HOME
2 | distributionPath=wrapper/dists
3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | 


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env sh
  2 | 
  3 | #
  4 | # Copyright 2015 the original author or authors.
  5 | #
  6 | # Licensed under the Apache License, Version 2.0 (the "License");
  7 | # you may not use this file except in compliance with the License.
  8 | # You may obtain a copy of the License at
  9 | #
 10 | #      https://www.apache.org/licenses/LICENSE-2.0
 11 | #
 12 | # Unless required by applicable law or agreed to in writing, software
 13 | # distributed under the License is distributed on an "AS IS" BASIS,
 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15 | # See the License for the specific language governing permissions and
 16 | # limitations under the License.
 17 | #
 18 | 
 19 | ##############################################################################
 20 | ##
 21 | ##  Gradle start up script for UN*X
 22 | ##
 23 | ##############################################################################
 24 | 
 25 | # Attempt to set APP_HOME
 26 | # Resolve links: $0 may be a link
 27 | PRG="$0"
 28 | # Need this for relative symlinks.
 29 | while [ -h "$PRG" ] ; do
 30 |     ls=`ls -ld "$PRG"`
 31 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 32 |     if expr "$link" : '/.*' > /dev/null; then
 33 |         PRG="$link"
 34 |     else
 35 |         PRG=`dirname "$PRG"`"/$link"
 36 |     fi
 37 | done
 38 | SAVED="`pwd`"
 39 | cd "`dirname \"$PRG\"`/" >/dev/null
 40 | APP_HOME="`pwd -P`"
 41 | cd "$SAVED" >/dev/null
 42 | 
 43 | APP_NAME="Gradle"
 44 | APP_BASE_NAME=`basename "$0"`
 45 | 
 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 48 | 
 49 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 50 | MAX_FD="maximum"
 51 | 
 52 | warn () {
 53 |     echo "$*"
 54 | }
 55 | 
 56 | die () {
 57 |     echo
 58 |     echo "$*"
 59 |     echo
 60 |     exit 1
 61 | }
 62 | 
 63 | # OS specific support (must be 'true' or 'false').
 64 | cygwin=false
 65 | msys=false
 66 | darwin=false
 67 | nonstop=false
 68 | case "`uname`" in
 69 |   CYGWIN* )
 70 |     cygwin=true
 71 |     ;;
 72 |   Darwin* )
 73 |     darwin=true
 74 |     ;;
 75 |   MINGW* )
 76 |     msys=true
 77 |     ;;
 78 |   NONSTOP* )
 79 |     nonstop=true
 80 |     ;;
 81 | esac
 82 | 
 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 84 | 
 85 | 
 86 | # Determine the Java command to use to start the JVM.
 87 | if [ -n "$JAVA_HOME" ] ; then
 88 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 89 |         # IBM's JDK on AIX uses strange locations for the executables
 90 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 91 |     else
 92 |         JAVACMD="$JAVA_HOME/bin/java"
 93 |     fi
 94 |     if [ ! -x "$JAVACMD" ] ; then
 95 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 96 | 
 97 | Please set the JAVA_HOME variable in your environment to match the
 98 | location of your Java installation."
 99 |     fi
100 | else
101 |     JAVACMD="java"
102 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
103 | 
104 | Please set the JAVA_HOME variable in your environment to match the
105 | location of your Java installation."
106 | fi
107 | 
108 | # Increase the maximum file descriptors if we can.
109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
110 |     MAX_FD_LIMIT=`ulimit -H -n`
111 |     if [ $? -eq 0 ] ; then
112 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
113 |             MAX_FD="$MAX_FD_LIMIT"
114 |         fi
115 |         ulimit -n $MAX_FD
116 |         if [ $? -ne 0 ] ; then
117 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
118 |         fi
119 |     else
120 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
121 |     fi
122 | fi
123 | 
124 | # For Darwin, add options to specify how the application appears in the dock
125 | if $darwin; then
126 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
127 | fi
128 | 
129 | # For Cygwin or MSYS, switch paths to Windows format before running java
130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
131 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
132 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
133 |     
134 |     JAVACMD=`cygpath --unix "$JAVACMD"`
135 | 
136 |     # We build the pattern for arguments to be converted via cygpath
137 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
138 |     SEP=""
139 |     for dir in $ROOTDIRSRAW ; do
140 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
141 |         SEP="|"
142 |     done
143 |     OURCYGPATTERN="(^($ROOTDIRS))"
144 |     # Add a user-defined pattern to the cygpath arguments
145 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
146 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
147 |     fi
148 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
149 |     i=0
150 |     for arg in "$@" ; do
151 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
152 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
153 | 
154 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
155 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
156 |         else
157 |             eval `echo args$i`="\"$arg\""
158 |         fi
159 |         i=`expr $i + 1`
160 |     done
161 |     case $i in
162 |         0) set -- ;;
163 |         1) set -- "$args0" ;;
164 |         2) set -- "$args0" "$args1" ;;
165 |         3) set -- "$args0" "$args1" "$args2" ;;
166 |         4) set -- "$args0" "$args1" "$args2" "$args3" ;;
167 |         5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
168 |         6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
169 |         7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
170 |         8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
171 |         9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
172 |     esac
173 | fi
174 | 
175 | # Escape application args
176 | save () {
177 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
178 |     echo " "
179 | }
180 | APP_ARGS=`save "$@"`
181 | 
182 | # Collect all arguments for the java command, following the shell quoting and substitution rules
183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
184 | 
185 | exec "$JAVACMD" "$@"
186 | 


--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
  1 | @rem
  2 | @rem Copyright 2015 the original author or authors.
  3 | @rem
  4 | @rem Licensed under the Apache License, Version 2.0 (the "License");
  5 | @rem you may not use this file except in compliance with the License.
  6 | @rem You may obtain a copy of the License at
  7 | @rem
  8 | @rem      https://www.apache.org/licenses/LICENSE-2.0
  9 | @rem
 10 | @rem Unless required by applicable law or agreed to in writing, software
 11 | @rem distributed under the License is distributed on an "AS IS" BASIS,
 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13 | @rem See the License for the specific language governing permissions and
 14 | @rem limitations under the License.
 15 | @rem
 16 | 
 17 | @if "%DEBUG%" == "" @echo off
 18 | @rem ##########################################################################
 19 | @rem
 20 | @rem  Gradle startup script for Windows
 21 | @rem
 22 | @rem ##########################################################################
 23 | 
 24 | @rem Set local scope for the variables with windows NT shell
 25 | if "%OS%"=="Windows_NT" setlocal
 26 | 
 27 | set DIRNAME=%~dp0
 28 | if "%DIRNAME%" == "" set DIRNAME=.
 29 | set APP_BASE_NAME=%~n0
 30 | set APP_HOME=%DIRNAME%
 31 | 
 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter.
 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
 34 | 
 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 37 | 
 38 | @rem Find java.exe
 39 | if defined JAVA_HOME goto findJavaFromJavaHome
 40 | 
 41 | set JAVA_EXE=java.exe
 42 | %JAVA_EXE% -version >NUL 2>&1
 43 | if "%ERRORLEVEL%" == "0" goto init
 44 | 
 45 | echo.
 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 47 | echo.
 48 | echo Please set the JAVA_HOME variable in your environment to match the
 49 | echo location of your Java installation.
 50 | 
 51 | goto fail
 52 | 
 53 | :findJavaFromJavaHome
 54 | set JAVA_HOME=%JAVA_HOME:"=%
 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 56 | 
 57 | if exist "%JAVA_EXE%" goto init
 58 | 
 59 | echo.
 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
 61 | echo.
 62 | echo Please set the JAVA_HOME variable in your environment to match the
 63 | echo location of your Java installation.
 64 | 
 65 | goto fail
 66 | 
 67 | :init
 68 | @rem Get command-line arguments, handling Windows variants
 69 | 
 70 | if not "%OS%" == "Windows_NT" goto win9xME_args
 71 | 
 72 | :win9xME_args
 73 | @rem Slurp the command line arguments.
 74 | set CMD_LINE_ARGS=
 75 | set _SKIP=2
 76 | 
 77 | :win9xME_args_slurp
 78 | if "x%~1" == "x" goto execute
 79 | 
 80 | set CMD_LINE_ARGS=%*
 81 | 
 82 | :execute
 83 | @rem Setup the command line
 84 | 
 85 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 86 | 
 87 | 
 88 | @rem Execute Gradle
 89 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 90 | 
 91 | :end
 92 | @rem End local scope for the variables with windows NT shell
 93 | if "%ERRORLEVEL%"=="0" goto mainEnd
 94 | 
 95 | :fail
 96 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 97 | rem the _cmd.exe /c_ return code!
 98 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
 99 | exit /b 1
100 | 
101 | :mainEnd
102 | if "%OS%"=="Windows_NT" endlocal
103 | 
104 | :omega
105 | 


--------------------------------------------------------------------------------
/settings.gradle.kts:
--------------------------------------------------------------------------------
1 | rootProject.name = "class-decompile-intellij"
2 | 
3 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/OpenDecompileSetting.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile;
 2 | 
 3 | import com.intellij.openapi.actionSystem.AnAction;
 4 | import com.intellij.openapi.actionSystem.AnActionEvent;
 5 | import com.intellij.openapi.options.ShowSettingsUtil;
 6 | import com.intellij.util.PlatformIcons;
 7 | 
 8 | import cn.mrdear.intellij.decompile.state.PluginSettingUIRegister;
 9 | 
10 | public class OpenDecompileSetting extends AnAction {
11 | 
12 |     @Override
13 |     public void actionPerformed(AnActionEvent e) {
14 |         ShowSettingsUtil.getInstance()
15 |             .showSettingsDialog(e.getProject(), PluginSettingUIRegister.class);
16 |     }
17 | 
18 |     public OpenDecompileSetting() {
19 |         super(PlatformIcons.SHOW_SETTINGS_ICON);
20 |     }
21 | }
22 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/OpenHelperWebSiteAction.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile;
 2 | 
 3 | import com.intellij.ide.BrowserUtil;
 4 | import com.intellij.openapi.actionSystem.AnAction;
 5 | import com.intellij.openapi.actionSystem.AnActionEvent;
 6 | import com.intellij.util.PlatformIcons;
 7 | 
 8 | import org.jetbrains.annotations.NotNull;
 9 | 
10 | /**
11 |  * @author Quding Ding
12 |  * @since 2020/3/21
13 |  */
14 | public class OpenHelperWebSiteAction extends AnAction {
15 | 
16 |     private String website;
17 | 
18 |     public OpenHelperWebSiteAction(String website) {
19 |         super(PlatformIcons.EXPORT_ICON);
20 |         this.website = website;
21 |     }
22 | 
23 |     @Override
24 |     public void actionPerformed(@NotNull AnActionEvent e) {
25 |         BrowserUtil.browse(website);
26 |     }
27 | 
28 | 
29 | }
30 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ShowDecompileAction.java:
--------------------------------------------------------------------------------
  1 | package cn.mrdear.intellij.decompile;
  2 | 
  3 | import com.intellij.openapi.actionSystem.AnAction;
  4 | import com.intellij.openapi.actionSystem.AnActionEvent;
  5 | import com.intellij.openapi.actionSystem.PlatformDataKeys;
  6 | import com.intellij.openapi.application.Application;
  7 | import com.intellij.openapi.application.ApplicationManager;
  8 | import com.intellij.openapi.compiler.CompileScope;
  9 | import com.intellij.openapi.compiler.CompilerManager;
 10 | import com.intellij.openapi.fileEditor.FileDocumentManager;
 11 | import com.intellij.openapi.fileEditor.FileEditor;
 12 | import com.intellij.openapi.fileEditor.FileEditorManager;
 13 | import com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorImpl;
 14 | import com.intellij.openapi.module.Module;
 15 | import com.intellij.openapi.module.ModuleUtil;
 16 | import com.intellij.openapi.project.Project;
 17 | import com.intellij.openapi.roots.CompilerModuleExtension;
 18 | import com.intellij.openapi.util.Computable;
 19 | import com.intellij.openapi.vfs.VirtualFile;
 20 | import com.intellij.openapi.wm.ToolWindowManager;
 21 | import com.intellij.psi.PsiClass;
 22 | import com.intellij.psi.PsiClassOwner;
 23 | import com.intellij.psi.PsiElement;
 24 | import com.intellij.psi.PsiFile;
 25 | import com.intellij.psi.PsiManager;
 26 | 
 27 | import org.jetbrains.annotations.Nullable;
 28 | import org.jetbrains.org.objectweb.asm.ClassReader;
 29 | 
 30 | import cn.mrdear.intellij.decompile.ui.ASMifiedToolPanel;
 31 | import cn.mrdear.intellij.decompile.ui.ByteCodeToolPanel;
 32 | import cn.mrdear.intellij.decompile.ui.CFRToolPanel;
 33 | import cn.mrdear.intellij.decompile.ui.JavapToolPanel;
 34 | 
 35 | import java.io.IOException;
 36 | import java.io.StringWriter;
 37 | import java.util.Objects;
 38 | 
 39 | /**
 40 |  * 全局入口
 41 |  */
 42 | public class ShowDecompileAction extends AnAction {
 43 | 
 44 |     /**
 45 |      * 1. 获取当前指向文件,判断是否可编译为Class文件类型
 46 |      *
 47 |      * @param event 当前事件
 48 |      */
 49 |     @Override
 50 |     public void actionPerformed(AnActionEvent event) {
 51 |         // 获取当前环境信息
 52 |         Project project = event.getData(PlatformDataKeys.PROJECT);
 53 |         VirtualFile file = event.getData(PlatformDataKeys.VIRTUAL_FILE);
 54 |         if (null == project || null == file) {
 55 |             return;
 56 |         }
 57 | 
 58 |         PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
 59 |         // 校验可编译为class文件
 60 |         if (!(psiFile instanceof PsiClassOwner)) {
 61 |             return;
 62 |         }
 63 |         // this file is xxx.class, decompile this
 64 |         if ("class".equalsIgnoreCase(file.getExtension())) {
 65 |             decompileAndShowWindow(project, file);
 66 |             return;
 67 |         }
 68 | 
 69 |         // TODO 场景是什么?
 70 |         if (!file.isInLocalFileSystem() && !file.isWritable()) {
 71 |             PsiClass[] classes = ((PsiClassOwner) psiFile).getClasses();
 72 |             if (classes.length > 0) {
 73 |                 VirtualFile temp = classes[0].getOriginalElement().getContainingFile().getVirtualFile();
 74 |                 decompileAndShowWindow(project, temp);
 75 |                 return;
 76 |             }
 77 |         }
 78 | 
 79 |         // 针对源文件处理, 先编译为class,再反编译class
 80 |         Application application = ApplicationManager.getApplication();
 81 |         Module module = ModuleUtil.findModuleForPsiElement(psiFile);
 82 |         CompilerModuleExtension cme = null == module ? null : CompilerModuleExtension.getInstance(module);
 83 |         if (null == cme) {
 84 |             return;
 85 |         }
 86 |         CompilerManager compilerManager = CompilerManager.getInstance(project);
 87 | 
 88 |         // 文件,刷盘
 89 |         application.runWriteAction(() -> FileDocumentManager.getInstance().saveAllDocuments());
 90 |         application.executeOnPooledThread(() -> {
 91 |             VirtualFile[] classFile = {null};
 92 |             VirtualFile[] files = {file};
 93 | 
 94 |             CompileScope compileScope = compilerManager.createFilesCompileScope(files);
 95 |             if (compilerManager.isUpToDate(compileScope)) {
 96 |                 VirtualFile[] outputDirectories = cme.getOutputRoots(true);
 97 |                 application.invokeLater(() -> {
 98 |                     classFile[0] = findClassFile(project, outputDirectories, psiFile);
 99 |                     decompileAndShowWindow(project, classFile[0]);
100 |                 });
101 |             } else {
102 |                 application.invokeLater(() -> {
103 |                     compilerManager.compile(files, (abort, errors, warnings, compileContext) -> {
104 |                         if (errors == 0) {
105 |                             VirtualFile[] outputRoots = cme.getOutputRoots(true);
106 |                             application.invokeLater(() -> {
107 |                                 classFile[0] = findClassFile(project, outputRoots, psiFile);
108 |                                 decompileAndShowWindow(project, classFile[0]);
109 |                             });
110 |                         }
111 |                     });
112 |                 });
113 |             }
114 |         });
115 |     }
116 | 
117 |     /**
118 |      * 在输出目录中找到对应的class类
119 |      *
120 |      * @param project           当前工程
121 |      * @param outputDirectories 输出目录
122 |      * @param psiFile           class文件
123 |      * @return 查找结果
124 |      */
125 |     private VirtualFile findClassFile(Project project, VirtualFile[] outputDirectories,
126 |         PsiFile psiFile) {
127 |         return ApplicationManager.getApplication().runReadAction((Computable<VirtualFile>) () -> {
128 |             FileEditor editor = FileEditorManager.getInstance(project).getSelectedEditor(psiFile.getVirtualFile());
129 |             int caretOffset = null == editor ? -1 :
130 |                 ((PsiAwareTextEditorImpl) editor).getEditor().getCaretModel().getOffset();
131 |             if (caretOffset >= 0) {
132 |                 // 找到对应的类名
133 |                 PsiElement elem = psiFile.findElementAt(caretOffset);
134 |                 while (elem != null) {
135 |                     if (elem instanceof PsiClass) {
136 |                         break;
137 |                     }
138 |                     elem = elem.getParent();
139 |                 }
140 |                 if (null != elem) {
141 |                     return getClassFile(outputDirectories, (PsiClass) elem);
142 |                 }
143 |             }
144 | 
145 |             PsiClass[] classes = ((PsiClassOwner) psiFile).getClasses();
146 |             for (PsiClass temp : classes) {
147 |                 VirtualFile file = getClassFile(outputDirectories, temp);
148 |                 if (null != file) {
149 |                     return file;
150 |                 }
151 |             }
152 |             return null;
153 |         });
154 |     }
155 | 
156 |     private VirtualFile getClassFile(VirtualFile[] outputDirectories, PsiClass psiClass) {
157 |         StringBuilder sb = new StringBuilder(Objects.requireNonNull(psiClass.getQualifiedName()));
158 |         while (psiClass.getContainingClass() != null) {
159 |             sb.setCharAt(sb.lastIndexOf("."), '$');
160 |             psiClass = psiClass.getContainingClass();
161 |         }
162 |         String classFileName = sb.toString().replace('.', '/') + ".class";
163 |         for (VirtualFile outputDirectory : outputDirectories) {
164 |             final VirtualFile file = outputDirectory.findFileByRelativePath(classFileName);
165 |             if (file != null && file.exists()) {
166 |                 return file;
167 |             }
168 |         }
169 |         return null;
170 |     }
171 | 
172 |     /**
173 |      * 反编译,并且展示到界面上
174 |      *
175 |      * @param project   当前工程文件
176 |      * @param classFile 对应class类
177 |      */
178 |     private void decompileAndShowWindow(Project project, @Nullable VirtualFile classFile) {
179 |         if (classFile == null) {
180 |             ApplicationManager.getApplication().runWriteAction(() -> {
181 |                 JavapToolPanel.getInstance(project).setCode("// couldn't generate Javap view, no .class file found");
182 |                 ByteCodeToolPanel.getInstance(project).setCode("// couldn't generate ByteCode view, no .class file found");
183 |                 ASMifiedToolPanel.getInstance(project).setCode("// couldn't generate ASMified view, no .class file found");
184 |                 CFRToolPanel.getInstance(project).setCode("// couldn't generate CFR view, no .class file found");
185 |                 ToolWindowManager.getInstance(project).getToolWindow("Decompile").activate(null);
186 |             });
187 |             return;
188 |         }
189 | 
190 |         ApplicationManager.getApplication().runWriteAction(() -> {
191 |             StringWriter writer = new StringWriter();
192 |             String path = classFile.getPath();
193 |             ClassReader reader = null;
194 |             classFile.refresh(false, false);
195 | 
196 |             try {
197 |                 reader = new ClassReader(classFile.contentsToByteArray());
198 |             } catch (IOException e) {
199 |                 return;
200 |             }
201 | 
202 |             JavapToolPanel.getInstance(project).decompile(path);
203 |             ByteCodeToolPanel.getInstance(project).decompile(writer, reader);
204 |             ASMifiedToolPanel.getInstance(project).decompile(writer, reader);
205 |             CFRToolPanel.getInstance(project).decompile(path, writer, reader);
206 | 
207 |             ToolWindowManager.getInstance(project).getToolWindow("Decompile").activate(null);
208 |             // help gc
209 |             reader = null;
210 |             writer = null;
211 |         });
212 |     }
213 | 
214 | 
215 | }
216 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ShowDiffAction.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile;
 2 | 
 3 | import com.google.common.collect.Lists;
 4 | import com.intellij.diff.DiffManager;
 5 | import com.intellij.diff.contents.DiffContent;
 6 | import com.intellij.diff.contents.DocumentContentImpl;
 7 | import com.intellij.diff.requests.ContentDiffRequest;
 8 | import com.intellij.openapi.actionSystem.AnAction;
 9 | import com.intellij.openapi.actionSystem.AnActionEvent;
10 | import com.intellij.openapi.editor.Document;
11 | import com.intellij.openapi.editor.impl.DocumentImpl;
12 | import com.intellij.openapi.util.IconLoader;
13 | import com.intellij.util.ReflectionUtil;
14 | 
15 | import org.jetbrains.annotations.NotNull;
16 | 
17 | import java.util.List;
18 | import java.util.Objects;
19 | 
20 | public class ShowDiffAction extends AnAction {
21 | 
22 |     /**
23 |      * 引用面板文档
24 |      */
25 |     private Document document;
26 |     /**
27 |      * 上一个版本代码
28 |      */
29 |     private String prevCode;
30 | 
31 |     public ShowDiffAction(Document document) {
32 |         super("Show Differences",
33 |             "Shows differences from the previous version of bytecode for this file",
34 |             IconLoader.getIcon("/actions/diff.png", Objects.requireNonNull(ReflectionUtil.getGrandCallerClass())));
35 |         this.document = document;
36 |         this.prevCode = "";
37 |     }
38 | 
39 |     @Override
40 |     public void actionPerformed(AnActionEvent e) {
41 |         DiffManager diffManager = DiffManager.getInstance();
42 | 
43 |         diffManager.showDiff(e.getProject(),new ContentDiffRequest(){
44 | 
45 |             @Override
46 |             public String getTitle() {
47 |                 return "Class Decompile Diff";
48 |             }
49 | 
50 |             @NotNull
51 |             @Override
52 |             public List<DiffContent> getContents() {
53 |                 DiffContent currentContent = new DocumentContentImpl(document);
54 |                 DiffContent pre = new DocumentContentImpl(new DocumentImpl(prevCode));
55 |                 return Lists.newArrayList(currentContent, pre);
56 |             }
57 | 
58 |             @NotNull
59 |             @Override
60 |             public List<String> getContentTitles() {
61 |                 return Lists.newArrayList("current", "previous");
62 |             }
63 |         });
64 | 
65 | 
66 |     }
67 | 
68 |     /**
69 |      * 存储最新的code
70 |      */
71 |     public void storeLatest() {
72 |         prevCode = document.getText();
73 |     }
74 | 
75 | }
76 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/state/PluginSettingUIRegister.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.state;
 2 | 
 3 | import com.intellij.openapi.Disposable;
 4 | import com.intellij.openapi.options.Configurable;
 5 | import com.intellij.openapi.options.ConfigurationException;
 6 | 
 7 | import org.jetbrains.annotations.Nls;
 8 | import org.jetbrains.annotations.Nullable;
 9 | 
10 | import javax.swing.JComponent;
11 | 
12 | /**
13 |  * @author Quding Ding
14 |  * @since 2020/3/7
15 |  */
16 | public class PluginSettingUIRegister implements Configurable, Disposable {
17 | 
18 |     private Setting setting;
19 | 
20 |     private SettingConfigurationPanel panel;
21 | 
22 |     public PluginSettingUIRegister() {
23 |         this.setting = Setting.getInstance();
24 |     }
25 | 
26 |     @Override
27 |     public void dispose() {
28 |         panel = null;
29 |     }
30 | 
31 |     @Nls(capitalization = Nls.Capitalization.Title)
32 |     @Override
33 |     public String getDisplayName() {
34 |         return "Class Decompile Setting";
35 |     }
36 | 
37 |     @Nullable
38 |     @Override
39 |     public JComponent createComponent() {
40 |         if (null == panel) {
41 |             panel = new SettingConfigurationPanel();
42 |         }
43 |         return panel.getContainer();
44 |     }
45 | 
46 |     @Override
47 |     public void disposeUIResources() {
48 |         this.panel = null;
49 |     }
50 | 
51 |     @Override
52 |     public boolean isModified() {
53 |         if (panel != null) {
54 |             return panel.isModified(setting);
55 |         }
56 |         return false;
57 |     }
58 | 
59 |     @Override
60 |     public void apply() throws ConfigurationException {
61 |         if (panel != null) {
62 |             panel.getData(setting);
63 |         }
64 |     }
65 | 
66 |     @Override
67 |     public void reset() {
68 |         if (panel != null) {
69 |             panel.setData(setting);
70 |         }
71 |     }
72 | }
73 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/state/Setting.java:
--------------------------------------------------------------------------------
  1 | package cn.mrdear.intellij.decompile.state;
  2 | 
  3 | import com.intellij.openapi.application.ApplicationManager;
  4 | import com.intellij.openapi.components.PersistentStateComponent;
  5 | import com.intellij.openapi.components.State;
  6 | import com.intellij.openapi.components.Storage;
  7 | import com.intellij.util.xmlb.XmlSerializerUtil;
  8 | 
  9 | import org.jetbrains.annotations.NotNull;
 10 | import org.jetbrains.annotations.Nullable;
 11 | import org.jetbrains.org.objectweb.asm.ClassReader;
 12 | 
 13 | /**
 14 |  * 持久化配置
 15 |  * @author Quding Ding
 16 |  * @since 2020/2/23
 17 |  */
 18 | @State(name = "ClassDecompileConfig", storages = {@Storage("ClassDecompilePlugin.xml")})
 19 | public final class Setting implements PersistentStateComponent<Setting> {
 20 |     /**
 21 |      * default -c
 22 |      */
 23 |     private String javap = "-c";
 24 |     /**
 25 |      * default
 26 |      */
 27 |     private String cfr = "--stringbuilder false --arrayiter fase --collectioniter false --decodelambdas false --sugarboxing false";
 28 | 
 29 |     private boolean asmSkipDebug;
 30 |     private boolean asmSkipFrames;
 31 |     private boolean asmExpandFrames;
 32 |     private boolean asmSkipCode;
 33 | 
 34 |     /**
 35 |      * 全局单例
 36 |      */
 37 |     public static Setting getInstance() {
 38 |         return ApplicationManager.getApplication().getService(Setting.class);
 39 |     }
 40 | 
 41 |     /**
 42 |      * 得到ASM flags 标识
 43 |      * @return 标识
 44 |      */
 45 |     public int getAsmFlags() {
 46 |         int flags = 0;
 47 |         if (this.asmSkipDebug) flags = flags | ClassReader.SKIP_DEBUG;
 48 |         if (this.asmSkipFrames) flags = flags | ClassReader.SKIP_FRAMES;
 49 |         if (this.asmExpandFrames) flags = flags | ClassReader.EXPAND_FRAMES;
 50 |         if (this.asmSkipCode) flags = flags | ClassReader.SKIP_CODE;
 51 |         return flags;
 52 |     }
 53 | 
 54 |     @Nullable
 55 |     @Override
 56 |     public Setting getState() {
 57 |         return this;
 58 |     }
 59 | 
 60 |     @Override
 61 |     public void loadState(@NotNull Setting state) {
 62 |         XmlSerializerUtil.copyBean(state, this);
 63 |     }
 64 | 
 65 |     public String getJavap() {
 66 |         return javap;
 67 |     }
 68 | 
 69 |     public void setJavap(final String javap) {
 70 |         this.javap = javap;
 71 |     }
 72 | 
 73 |     public String getCfr() {
 74 |         return cfr;
 75 |     }
 76 | 
 77 |     public void setCfr(final String cfr) {
 78 |         this.cfr = cfr;
 79 |     }
 80 | 
 81 |     public boolean isAsmSkipDebug() {
 82 |         return asmSkipDebug;
 83 |     }
 84 | 
 85 |     public void setAsmSkipDebug(final boolean asmSkipDebug) {
 86 |         this.asmSkipDebug = asmSkipDebug;
 87 |     }
 88 | 
 89 |     public boolean isAsmSkipFrames() {
 90 |         return asmSkipFrames;
 91 |     }
 92 | 
 93 |     public void setAsmSkipFrames(final boolean asmSkipFrames) {
 94 |         this.asmSkipFrames = asmSkipFrames;
 95 |     }
 96 | 
 97 |     public boolean isAsmExpandFrames() {
 98 |         return asmExpandFrames;
 99 |     }
100 | 
101 |     public void setAsmExpandFrames(final boolean asmExpandFrames) {
102 |         this.asmExpandFrames = asmExpandFrames;
103 |     }
104 | 
105 |     public boolean isAsmSkipCode() {
106 |         return asmSkipCode;
107 |     }
108 | 
109 |     public void setAsmSkipCode(final boolean asmSkipCode) {
110 |         this.asmSkipCode = asmSkipCode;
111 |     }
112 | }
113 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/state/SettingConfigurationPanel.form:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="cn.mrdear.intellij.decompile.state.SettingConfigurationPanel">
 3 |   <grid id="27dc6" binding="container" layout-manager="GridLayoutManager" row-count="4" column-count="5" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
 4 |     <margin top="10" left="10" bottom="0" right="0"/>
 5 |     <constraints>
 6 |       <xy x="20" y="20" width="546" height="400"/>
 7 |     </constraints>
 8 |     <properties/>
 9 |     <border type="none"/>
10 |     <children>
11 |       <component id="3ec67" class="javax.swing.JLabel">
12 |         <constraints>
13 |           <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
14 |         </constraints>
15 |         <properties>
16 |           <text value="JavaP : "/>
17 |         </properties>
18 |       </component>
19 |       <component id="4c5b0" class="javax.swing.JTextField" binding="javapField">
20 |         <constraints>
21 |           <grid row="0" column="1" row-span="1" col-span="4" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
22 |             <preferred-size width="150" height="-1"/>
23 |           </grid>
24 |         </constraints>
25 |         <properties/>
26 |       </component>
27 |       <component id="75bb8" class="javax.swing.JLabel">
28 |         <constraints>
29 |           <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
30 |         </constraints>
31 |         <properties>
32 |           <text value="ASM : "/>
33 |         </properties>
34 |       </component>
35 |       <component id="8bb9c" class="javax.swing.JLabel">
36 |         <constraints>
37 |           <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
38 |         </constraints>
39 |         <properties>
40 |           <text value="CFR : "/>
41 |         </properties>
42 |       </component>
43 |       <vspacer id="c2c52">
44 |         <constraints>
45 |           <grid row="3" column="1" row-span="1" col-span="4" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
46 |         </constraints>
47 |       </vspacer>
48 |       <component id="8fb15" class="javax.swing.JCheckBox" binding="skipDebugCheckBox" default-binding="true">
49 |         <constraints>
50 |           <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
51 |         </constraints>
52 |         <properties>
53 |           <text value="SkipDebug"/>
54 |         </properties>
55 |       </component>
56 |       <component id="3d8c0" class="javax.swing.JCheckBox" binding="skipFrameCheckBox" default-binding="true">
57 |         <constraints>
58 |           <grid row="1" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
59 |         </constraints>
60 |         <properties>
61 |           <text value="SkipFrames"/>
62 |         </properties>
63 |       </component>
64 |       <component id="84f21" class="javax.swing.JCheckBox" binding="expandFramesCheckBox" default-binding="true">
65 |         <constraints>
66 |           <grid row="1" column="3" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
67 |         </constraints>
68 |         <properties>
69 |           <text value="Expandframes"/>
70 |         </properties>
71 |       </component>
72 |       <component id="b4959" class="javax.swing.JCheckBox" binding="skipCodeCheckBox" default-binding="true">
73 |         <constraints>
74 |           <grid row="1" column="4" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
75 |         </constraints>
76 |         <properties>
77 |           <text value="SkipCode"/>
78 |         </properties>
79 |       </component>
80 |       <component id="f8afc" class="javax.swing.JTextField" binding="cfrField">
81 |         <constraints>
82 |           <grid row="2" column="1" row-span="1" col-span="4" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
83 |             <preferred-size width="150" height="-1"/>
84 |           </grid>
85 |         </constraints>
86 |         <properties/>
87 |       </component>
88 |     </children>
89 |   </grid>
90 | </form>
91 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/state/SettingConfigurationPanel.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.state;
 2 | 
 3 | import javax.swing.JCheckBox;
 4 | import javax.swing.JPanel;
 5 | import javax.swing.JTextField;
 6 | 
 7 | /**
 8 |  * @author Quding Ding
 9 |  * @since 2020/3/7
10 |  */
11 | public class SettingConfigurationPanel {
12 | 
13 |     private JTextField javapField;
14 |     private JTextField cfrField;
15 | 
16 |     private JPanel container;
17 | 
18 |     private JCheckBox skipDebugCheckBox;
19 |     private JCheckBox skipFrameCheckBox;
20 |     private JCheckBox expandFramesCheckBox;
21 |     private JCheckBox skipCodeCheckBox;
22 | 
23 |     public JPanel getContainer() {
24 |         return container;
25 |     }
26 | 
27 |     private void createUIComponents() {
28 |         // TODO: place custom component creation code here
29 |     }
30 | 
31 |     public void setData(Setting data) {
32 |         javapField.setText(data.getJavap());
33 |         cfrField.setText(data.getCfr());
34 |         skipDebugCheckBox.setSelected(data.isAsmSkipDebug());
35 |         skipFrameCheckBox.setSelected(data.isAsmSkipFrames());
36 |         expandFramesCheckBox.setSelected(data.isAsmExpandFrames());
37 |         skipCodeCheckBox.setSelected(data.isAsmSkipCode());
38 |     }
39 | 
40 |     public void getData(Setting data) {
41 |         data.setJavap(javapField.getText());
42 |         data.setCfr(cfrField.getText());
43 |         data.setAsmSkipDebug(skipDebugCheckBox.isSelected());
44 |         data.setAsmSkipFrames(skipFrameCheckBox.isSelected());
45 |         data.setAsmExpandFrames(expandFramesCheckBox.isSelected());
46 |         data.setAsmSkipCode(skipCodeCheckBox.isSelected());
47 |     }
48 | 
49 |     public boolean isModified(Setting data) {
50 |         if (javapField.getText() != null ? !javapField.getText().equals(data.getJavap()) : data.getJavap() != null)
51 |             return true;
52 |         if (cfrField.getText() != null ? !cfrField.getText().equals(data.getCfr()) : data.getCfr() != null)
53 |             return true;
54 |         if (skipDebugCheckBox.isSelected() != data.isAsmSkipDebug()) return true;
55 |         if (skipFrameCheckBox.isSelected() != data.isAsmSkipFrames()) return true;
56 |         if (expandFramesCheckBox.isSelected() != data.isAsmExpandFrames()) return true;
57 |         if (skipCodeCheckBox.isSelected() != data.isAsmSkipCode()) return true;
58 |         return false;
59 |     }
60 | }
61 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/ASMifiedToolPanel.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.ui;
 2 | 
 3 | import com.intellij.ide.highlighter.JavaFileType;
 4 | import com.intellij.openapi.components.Service;
 5 | import com.intellij.openapi.project.Project;
 6 | import com.intellij.psi.PsiFile;
 7 | import com.intellij.psi.PsiFileFactory;
 8 | import com.intellij.psi.codeStyle.CodeStyleManager;
 9 | 
10 | import org.jetbrains.org.objectweb.asm.ClassReader;
11 | import org.jetbrains.org.objectweb.asm.util.ASMifier;
12 | import org.jetbrains.org.objectweb.asm.util.TraceClassVisitor;
13 | 
14 | import java.io.PrintWriter;
15 | import java.io.StringWriter;
16 | 
17 | /**
18 |  * @author Quding Ding
19 |  * @since 2020/3/7
20 |  */
21 | @Service
22 | public class ASMifiedToolPanel extends AbstractToolPanel {
23 | 
24 |     public ASMifiedToolPanel(Project project) {
25 |         super(project);
26 |     }
27 | 
28 |     /**
29 |      * 得到当前实例
30 |      * @param project 当前工程
31 |      * @return 结果
32 |      */
33 |     public static ASMifiedToolPanel getInstance(Project project) {
34 |         return project.getService(ASMifiedToolPanel.class);
35 |     }
36 | 
37 | 
38 |     public void decompile(StringWriter stringWriter, ClassReader reader) {
39 |         try (PrintWriter printWriter = new PrintWriter(stringWriter)) {
40 |             reader.accept(new TraceClassVisitor(null, new ASMifier(), printWriter), SETTING.getAsmFlags());
41 | 
42 |             PsiFile psiFile = PsiFileFactory.getInstance(project).createFileFromText("temp.java",
43 |                 JavaFileType.INSTANCE, stringWriter.toString());
44 |             CodeStyleManager.getInstance(project).reformat(psiFile);
45 |             this.setCode(psiFile.getText());
46 |         } catch (Exception e) {
47 |             this.setCode("decompile fail" + e.getMessage());
48 |         } finally {
49 |             stringWriter.getBuffer().setLength(0);
50 |         }
51 |     }
52 | 
53 | }
54 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/AbstractToolPanel.java:
--------------------------------------------------------------------------------
  1 | package cn.mrdear.intellij.decompile.ui;
  2 | 
  3 | import com.intellij.openapi.Disposable;
  4 | import com.intellij.openapi.actionSystem.ActionManager;
  5 | import com.intellij.openapi.actionSystem.ActionToolbar;
  6 | import com.intellij.openapi.actionSystem.AnAction;
  7 | import com.intellij.openapi.actionSystem.DefaultActionGroup;
  8 | import com.intellij.openapi.editor.Document;
  9 | import com.intellij.openapi.editor.Editor;
 10 | import com.intellij.openapi.editor.EditorFactory;
 11 | import com.intellij.openapi.fileTypes.FileTypeManager;
 12 | import com.intellij.openapi.project.Project;
 13 | import com.intellij.openapi.ui.SimpleToolWindowPanel;
 14 | 
 15 | import cn.mrdear.intellij.decompile.OpenDecompileSetting;
 16 | import cn.mrdear.intellij.decompile.ShowDiffAction;
 17 | import cn.mrdear.intellij.decompile.state.Setting;
 18 | 
 19 | import java.awt.BorderLayout;
 20 | 
 21 | import javax.swing.JPanel;
 22 | 
 23 | /**
 24 |  * 展示面板
 25 |  *
 26 |  * @author Quding Ding
 27 |  * @since 2020/3/7
 28 |  */
 29 | public abstract class AbstractToolPanel extends SimpleToolWindowPanel implements Disposable {
 30 |     /**
 31 |      * 无状态,因此共享
 32 |      */
 33 |     private static final OpenDecompileSetting OPEN_DECOMPILE_SETTING = new OpenDecompileSetting();
 34 | 
 35 |     /**
 36 |      * 当前所在项目
 37 |      */
 38 |     protected Project project;
 39 |     /**
 40 |      * 该面板所管理的文档
 41 |      */
 42 |     private Document document;
 43 |     /**
 44 |      * 当前面板对应的编辑器
 45 |      */
 46 |     private Editor editor;
 47 | 
 48 |     private ShowDiffAction diffAction;
 49 |     /**
 50 |      * 配置信息
 51 |      */
 52 |     protected static final Setting SETTING = Setting.getInstance();
 53 | 
 54 | 
 55 |     public AbstractToolPanel(Project project) {
 56 |         super(true);
 57 |         this.project = project;
 58 |         // 初始化面板
 59 |         this.setUI();
 60 |     }
 61 | 
 62 |     /**
 63 |      * 设置代码
 64 |      *
 65 |      * @param code 代码
 66 |      */
 67 |     public void setCode(String code) {
 68 |         // 存储上个版本
 69 |         diffAction.storeLatest();
 70 |         // 最新版本
 71 |         this.document.setText(code);
 72 |     }
 73 | 
 74 |     /**
 75 |      * 初始化面板
 76 |      */
 77 |     private void setUI() {
 78 |         EditorFactory editorFactory = EditorFactory.getInstance();
 79 |         document = editorFactory.createDocument("");
 80 |         diffAction = new ShowDiffAction(document);
 81 |         editor = editorFactory.createEditor(document, project,
 82 |             FileTypeManager.getInstance().getFileTypeByExtension("java"), true);
 83 |         // 主面板
 84 |         add(editor.getComponent());
 85 | 
 86 |         // 添加工具栏
 87 |         DefaultActionGroup group = new DefaultActionGroup();
 88 | 
 89 |         group.add(OPEN_DECOMPILE_SETTING);
 90 |         group.add(diffAction);
 91 |         AnAction action = internalToolAction();
 92 |         if (null != action) {
 93 |             group.add(action);
 94 |         }
 95 | 
 96 |         ActionManager actionManager = ActionManager.getInstance();
 97 | 
 98 |         ActionToolbar actionToolBar = actionManager.createActionToolbar("Decompile", group, true);
 99 |         actionToolBar.setTargetComponent(this);
100 | 
101 |         JPanel buttonsPanel = new JPanel(new BorderLayout());
102 |         buttonsPanel.add(actionToolBar.getComponent(), BorderLayout.CENTER);
103 | 
104 |         setToolbar(buttonsPanel);
105 |     }
106 | 
107 |     /**
108 |      * 子类的action
109 |      *
110 |      * @return action
111 |      */
112 |     protected AnAction internalToolAction() {
113 |         return null;
114 |     }
115 | 
116 |     @Override
117 |     public void dispose() {
118 |         if (editor != null) {
119 |             EditorFactory editorFactory = EditorFactory.getInstance();
120 |             editorFactory.releaseEditor(editor);
121 |             editor = null;
122 |         }
123 |     }
124 | 
125 | }
126 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/ByteCodeToolPanel.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.ui;
 2 | 
 3 | import com.intellij.openapi.components.Service;
 4 | import com.intellij.openapi.project.Project;
 5 | 
 6 | import org.jetbrains.org.objectweb.asm.ClassReader;
 7 | import org.jetbrains.org.objectweb.asm.ClassVisitor;
 8 | import org.jetbrains.org.objectweb.asm.util.TraceClassVisitor;
 9 | 
10 | import java.io.PrintWriter;
11 | import java.io.StringWriter;
12 | 
13 | /**
14 |  * @author Quding Ding
15 |  * @since 2020/3/7
16 |  */
17 | @Service
18 | public class ByteCodeToolPanel extends AbstractToolPanel {
19 | 
20 |     public ByteCodeToolPanel(Project project) {
21 |         super(project);
22 |     }
23 | 
24 |     /**
25 |      * 得到当前实例
26 |      * @param project 当前工程
27 |      * @return 结果
28 |      */
29 |     public static ByteCodeToolPanel getInstance(Project project) {
30 |         return project.getService(ByteCodeToolPanel.class);
31 |     }
32 | 
33 |     /**
34 |      * 反编译为字节码
35 |      * @param stringWriter 输出位置
36 |      * @param reader class内容
37 |      */
38 |     public void decompile(StringWriter stringWriter, ClassReader reader) {
39 |         try (PrintWriter printWriter = new PrintWriter(stringWriter)) {
40 |             ClassVisitor visitor = new TraceClassVisitor(printWriter);
41 |             reader.accept(visitor, 0);
42 |             setCode(stringWriter.toString());
43 |         } catch (Exception e) {
44 |             setCode("decompile fail " + e.getMessage());
45 |         } finally {
46 |             stringWriter.getBuffer().setLength(0);
47 |         }
48 |     }
49 | 
50 | }
51 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/CFRToolPanel.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.ui;
 2 | 
 3 | import com.intellij.openapi.actionSystem.AnAction;
 4 | import com.intellij.openapi.components.Service;
 5 | import com.intellij.openapi.project.Project;
 6 | 
 7 | import org.apache.commons.lang3.StringUtils;
 8 | import org.benf.cfr.reader.api.CfrDriver;
 9 | import org.benf.cfr.reader.bytecode.analysis.parse.utils.Pair;
10 | import org.benf.cfr.reader.util.getopt.GetOptParser;
11 | import org.benf.cfr.reader.util.getopt.Options;
12 | import org.benf.cfr.reader.util.getopt.OptionsImpl;
13 | import org.jetbrains.org.objectweb.asm.ClassReader;
14 | 
15 | import cn.mrdear.intellij.decompile.OpenHelperWebSiteAction;
16 | import cn.mrdear.intellij.decompile.util.ClassByteCodeSourceImpl;
17 | import cn.mrdear.intellij.decompile.util.StringWriterDumperFactory;
18 | 
19 | import java.io.StringWriter;
20 | import java.util.List;
21 | 
22 | /**
23 |  * @author Quding Ding
24 |  * @since 2020/3/7
25 |  */
26 | @Service
27 | public class CFRToolPanel extends AbstractToolPanel {
28 | 
29 |     public CFRToolPanel(Project project) {
30 |         super(project);
31 |     }
32 | 
33 |     @Override
34 |     protected AnAction internalToolAction() {
35 |         return new OpenHelperWebSiteAction("https://www.benf.org/other/cfr/");
36 |     }
37 | 
38 |     /**
39 |      * 得到当前实例
40 |      *
41 |      * @param project 当前工程
42 |      * @return 结果
43 |      */
44 |     public static CFRToolPanel getInstance(Project project) {
45 |         return project.getService(CFRToolPanel.class);
46 |     }
47 | 
48 |     public void decompile(String path, StringWriter writer, ClassReader reader) {
49 |         // fill args
50 |         Pair<List<String>, Options> optionsPair = null;
51 |         try {
52 |             String temp = path.concat(" ").concat(SETTING.getCfr());
53 |             String[] args = StringUtils.split(temp, ' ');
54 | 
55 |             GetOptParser getOptParser = new GetOptParser();
56 |             optionsPair = getOptParser.parse(args, OptionsImpl.getFactory());
57 |         } catch (Exception e) {
58 |             this.setCode("parameter parse failed " + e.getMessage());
59 |             writer.getBuffer().setLength(0);
60 |             return;
61 |         }
62 | 
63 |         // cfr
64 |         try {
65 |             Options options = optionsPair.getSecond();
66 |             if (!options.optionIsSet(OptionsImpl.HELP)) {
67 |                 CfrDriver driver = new CfrDriver.Builder()
68 |                     .withBuiltOptions(options)
69 |                     .withOutputSink(new StringWriterDumperFactory(writer))
70 |                     .withClassFileSource(new ClassByteCodeSourceImpl(options, reader.b, "temp.java"))
71 |                     .build();
72 |                 driver.analyse(optionsPair.getFirst());
73 |                 this.setCode(writer.toString());
74 |                 return;
75 |             }
76 |             writer.append("decompile fail");
77 |             this.setCode(writer.toString());
78 |         } catch (Exception e) {
79 |             this.setCode("decompile fail " + e.getMessage());
80 |         } finally {
81 |             writer.getBuffer().setLength(0);
82 |         }
83 |     }
84 | 
85 | }
86 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/DecompileToolWindowFactory.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.ui;
 2 | 
 3 | import com.intellij.openapi.project.Project;
 4 | import com.intellij.openapi.wm.ToolWindow;
 5 | import com.intellij.openapi.wm.ToolWindowFactory;
 6 | import com.intellij.ui.content.ContentFactory;
 7 | import com.intellij.ui.content.ContentManager;
 8 | 
 9 | import org.jetbrains.annotations.NotNull;
10 | 
11 | /**
12 |  * 创建对应window
13 |  *
14 |  * @author Quding Ding
15 |  * @since 2020/3/7
16 |  */
17 | public class DecompileToolWindowFactory implements ToolWindowFactory {
18 | 
19 |     @Override
20 |     public void createToolWindowContent(@NotNull Project project, @NotNull ToolWindow toolWindow) {
21 |         ContentManager manager = toolWindow.getContentManager();
22 |         ContentFactory instance = ContentFactory.SERVICE.getInstance();
23 | 
24 |         manager.addContent(instance.createContent(ByteCodeToolPanel.getInstance(project), "Bytecode", false));
25 |         manager.addContent(instance.createContent(ASMifiedToolPanel.getInstance(project), "ASMified", false));
26 |         manager.addContent(instance.createContent(CFRToolPanel.getInstance(project), "CFR", false));
27 |         manager.addContent(instance.createContent(JavapToolPanel.getInstance(project), "Javap", false));
28 |     }
29 | 
30 | }
31 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/ui/JavapToolPanel.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.ui;
 2 | 
 3 | import com.intellij.execution.configurations.GeneralCommandLine;
 4 | import com.intellij.execution.process.OSProcessHandler;
 5 | import com.intellij.openapi.actionSystem.AnAction;
 6 | import com.intellij.openapi.actionSystem.CommonDataKeys;
 7 | import com.intellij.openapi.project.Project;
 8 | import com.intellij.tools.Tool;
 9 | import com.intellij.tools.ToolManager;
10 | 
11 | import org.apache.commons.lang3.StringUtils;
12 | 
13 | import cn.mrdear.intellij.decompile.OpenHelperWebSiteAction;
14 | import cn.mrdear.intellij.decompile.util.ExternalToolsProcessListener;
15 | 
16 | import java.io.StringWriter;
17 | import java.util.List;
18 | 
19 | /**
20 |  * @author Quding Ding
21 |  * @since 2020/3/7
22 |  */
23 | public class JavapToolPanel extends AbstractToolPanel {
24 | 
25 |     public JavapToolPanel(Project project) {
26 |         super(project);
27 |     }
28 | 
29 |     @Override
30 |     protected AnAction internalToolAction() {
31 |         return new OpenHelperWebSiteAction("https://docs.oracle.com/javase/8/docs/technotes/tools/windows/javap.html");
32 |     }
33 | 
34 |     /**
35 |      * 得到当前实例
36 |      *
37 |      * @param project 当前工程
38 |      * @return 结果
39 |      */
40 |     public static JavapToolPanel getInstance(Project project) {
41 |         return project.getService(JavapToolPanel.class);
42 |     }
43 | 
44 |     /**
45 |      * 反编译为字节码
46 |      */
47 |     public void decompile(String path) {
48 |         StringWriter writer = new StringWriter();
49 | 
50 |         List<Tool> tools = ToolManager.getInstance().getTools("External Tools");
51 | 
52 |         Tool javap = tools.stream()
53 |             .filter(x -> x.getName().equalsIgnoreCase("javap"))
54 |             .findFirst().orElse(null);
55 | 
56 |         if (null == javap) {
57 |             this.setCode("no javap command found on External Tools, you can refer to " +
58 |                 "https://github.com/mrdear/class-decompile-intellij");
59 |             return;
60 |         }
61 | 
62 |         GeneralCommandLine commandLine = javap.createCommandLine((dataId) -> {
63 |             if (CommonDataKeys.PROJECT.getName().equals(dataId)) {
64 |                 return project;
65 |             }
66 |             return null;
67 |         });
68 | 
69 |         if (null == commandLine) {
70 |             return;
71 |         }
72 | 
73 |         commandLine.withParameters(StringUtils.split(SETTING.getJavap()," "));
74 |         commandLine.addParameter(path);
75 | 
76 |         try {
77 |             ExternalToolsProcessListener listener = new ExternalToolsProcessListener(writer, this);
78 |             OSProcessHandler handler = new OSProcessHandler(commandLine);
79 |             handler.addProcessListener(listener);
80 |             handler.startNotify();
81 |         } catch (Exception e) {
82 |             this.setCode("decompile fail " + e.getMessage());
83 |         }
84 |     }
85 | 
86 | }
87 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/util/ClassByteCodeSourceImpl.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.util;
 2 | 
 3 | import org.benf.cfr.reader.bytecode.analysis.parse.utils.Pair;
 4 | import org.benf.cfr.reader.state.ClassFileSourceImpl;
 5 | import org.benf.cfr.reader.util.getopt.Options;
 6 | 
 7 | import java.io.IOException;
 8 | 
 9 | /**
10 |  * hack下ClassFileSourceImpl,使其支持直接读取字节码
11 |  * @author Quding Ding
12 |  * @since 2018/2/11
13 |  */
14 | public class ClassByteCodeSourceImpl extends ClassFileSourceImpl {
15 | 
16 |   private byte[] classSource;
17 | 
18 |   private String className;
19 | 
20 |   public ClassByteCodeSourceImpl(Options options,byte[] classSource,String className) {
21 |     super(options);
22 |     this.classSource = classSource;
23 |     this.className = className;
24 |   }
25 | 
26 |   public ClassByteCodeSourceImpl(Options options) {
27 |     super(options);
28 |   }
29 | 
30 | 
31 |   @Override
32 |   public Pair<byte[], String> getClassFileContent(String inputPath) throws IOException {
33 |     Pair<byte[], String> fileContent = null;
34 |     try {
35 |       fileContent = super.getClassFileContent(inputPath);
36 |     } catch (IOException e) {
37 |       if (inputPath.lastIndexOf(className) > 0) {
38 |         fileContent = Pair.make(classSource, inputPath);
39 |       } else {
40 |         throw e;
41 |       }
42 |     }
43 |     return fileContent;
44 |   }
45 | }
46 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/util/ExternalToolsProcessListener.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.util;
 2 | 
 3 | import com.intellij.execution.process.ProcessAdapter;
 4 | import com.intellij.execution.process.ProcessEvent;
 5 | import com.intellij.execution.process.ProcessOutputType;
 6 | import com.intellij.openapi.application.ApplicationManager;
 7 | import com.intellij.openapi.util.Key;
 8 | 
 9 | import org.jetbrains.annotations.NotNull;
10 | 
11 | import cn.mrdear.intellij.decompile.ui.JavapToolPanel;
12 | 
13 | import java.io.StringWriter;
14 | 
15 | /**
16 |  * @author Quding Ding
17 |  * @since 2020/3/8
18 |  */
19 | public class ExternalToolsProcessListener extends ProcessAdapter {
20 | 
21 |     private StringWriter writer;
22 | 
23 |     private JavapToolPanel panel;
24 | 
25 |     public ExternalToolsProcessListener(StringWriter writer, JavapToolPanel panel) {
26 |         this.writer = writer;
27 |         this.panel = panel;
28 |     }
29 | 
30 |     @Override
31 |     public void processTerminated(@NotNull ProcessEvent event) {
32 |         ApplicationManager.getApplication()
33 |             .invokeLater(() -> ApplicationManager.getApplication()
34 |                 .runWriteAction(() -> panel.setCode(writer.toString())));
35 |     }
36 | 
37 |     @Override
38 |     public void onTextAvailable(@NotNull ProcessEvent event, @NotNull Key outputType) {
39 |         if (outputType.equals(ProcessOutputType.STDOUT) || outputType.equals(ProcessOutputType.STDERR)) {
40 |             writer.append(event.getText());
41 |         }
42 |     }
43 | 
44 | }
45 | 


--------------------------------------------------------------------------------
/src/main/java/cn/mrdear/intellij/decompile/util/StringWriterDumperFactory.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.intellij.decompile.util;
 2 | 
 3 | import org.benf.cfr.reader.api.OutputSinkFactory;
 4 | import org.benf.cfr.reader.api.SinkReturns;
 5 | 
 6 | import java.io.StringWriter;
 7 | import java.util.Arrays;
 8 | import java.util.Collection;
 9 | import java.util.Collections;
10 | import java.util.List;
11 | import java.util.function.Consumer;
12 | 
13 | /**
14 |  * @author Quding Ding
15 |  * @since 2018/7/7
16 |  */
17 | public class StringWriterDumperFactory implements OutputSinkFactory {
18 |   /**
19 |    * 输出路径
20 |    */
21 |   private StringWriter writer;
22 | 
23 |   public StringWriterDumperFactory(StringWriter writer) {
24 |     this.writer = writer;
25 |   }
26 | 
27 |   @Override
28 |   public List<SinkClass> getSupportedSinks(SinkType sinkType, Collection<SinkClass> collection) {
29 |     if (sinkType == SinkType.JAVA && collection.contains(SinkClass.DECOMPILED)) {
30 |       // I'd like "Decompiled".  If you can't do that, I'll take STRING.
31 |       return Arrays.asList(SinkClass.DECOMPILED, SinkClass.STRING);
32 |     } else {
33 |       // I only understand how to sink strings, regardless of what you have to give me.
34 |       return Collections.singletonList(SinkClass.STRING);
35 |     }
36 |   }
37 | 
38 |   @Override
39 |   public <T> Sink<T> getSink(SinkType sinkType, SinkClass sinkClass) {
40 |     if (sinkType == SinkType.JAVA && sinkClass == SinkClass.DECOMPILED) {
41 |       return x -> dumpDecompiled.accept((SinkReturns.Decompiled) x);
42 |     }
43 |     if (sinkType == SinkType.EXCEPTION) {
44 |       return x -> writer.append(((SinkReturns.ExceptionMessage) x).getMessage());
45 |     }
46 |     return ignore -> {};
47 |   }
48 | 
49 | 
50 |   private Consumer<SinkReturns.Decompiled> dumpDecompiled = d -> {
51 |     writer.append("Package [").append(d.getPackageName()).append("] Class [").append(d.getClassName()).append("]");
52 |     writer.append(d.getJava());
53 |   };
54 | }
55 | 


--------------------------------------------------------------------------------
/src/main/resources/META-INF/plugin.xml:
--------------------------------------------------------------------------------
 1 | <idea-plugin>
 2 |     <id>cn.mrdear.intellij.class-decompile-intellij</id>
 3 |     <name>Class Decompile</name>
 4 |     <vendor email="niudear@foxmail.com" url="https://mrdear.cn">QuDing</vendor>
 5 | 
 6 |     <description><![CDATA[
 7 |         use javap & asm & cfr decompile .class file and show.
 8 |         source code in <a href='https://github.com/work-helper/class-decompile-intellij'>class-decompile-intellij</a> base on asm-bytecode-intellij
 9 |     ]]></description>
10 | 
11 |     <!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
12 |          on how to target different products -->
13 |     <depends>com.intellij.modules.platform</depends>
14 |     <depends>com.intellij.modules.java</depends>
15 | 
16 |     <extensions defaultExtensionNs="com.intellij">
17 |         <!-- Add your extensions here -->
18 |         <!--配置文件-->
19 |         <applicationService serviceImplementation="cn.mrdear.intellij.decompile.state.Setting"/>
20 |         <!--设置界面-->
21 |         <applicationConfigurable instance="cn.mrdear.intellij.decompile.state.PluginSettingUIRegister"/>
22 | 
23 |         <!--结果展示界面，默认不初始化展示-->
24 |         <toolWindow id="Decompile" anchor="right" icon="/images/java.svg" doNotActivateOnStart="true"
25 |                     factoryClass="cn.mrdear.intellij.decompile.ui.DecompileToolWindowFactory"/>
26 | 
27 |         <!--转换服务-->
28 |         <projectService serviceImplementation="cn.mrdear.intellij.decompile.ui.JavapToolPanel"/>
29 |         <projectService serviceImplementation="cn.mrdear.intellij.decompile.ui.ByteCodeToolPanel"/>
30 |         <projectService serviceImplementation="cn.mrdear.intellij.decompile.ui.ASMifiedToolPanel"/>
31 |         <projectService serviceImplementation="cn.mrdear.intellij.decompile.ui.CFRToolPanel"/>
32 | 
33 |     </extensions>
34 | 
35 |     <actions>
36 |         <action id="showDecompile" class="cn.mrdear.intellij.decompile.ShowDecompileAction"
37 |                 text="Show Decompile Code"
38 |                 description="Shows the decompile code from the current class">
39 |             <add-to-group group-id="EditorPopupMenu" anchor="last"/>
40 |             <add-to-group group-id="ProjectViewPopupMenu" anchor="last"/>
41 |             <add-to-group group-id="CodeMenu" anchor="last"/>
42 |         </action>
43 |     </actions>
44 | </idea-plugin>


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/src/main/resources/images/java.svg:
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 1 | <?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
 2 |         "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 3 | <svg t="1583635541761" class="icon" viewBox="0 0 1024 1024" version="1.1"
 4 |      xmlns="http://www.w3.org/2000/svg" p-id="950" xmlns:xlink="http://www.w3.org/1999/xlink"
 5 |      width="13" height="13">
 6 |     <defs>
 7 |         <style type="text/css"></style>
 8 |     </defs>
 9 |     <path d="M564 96c44.864 105.888-160.864 170.752-180 259.008-17.504 80.992 121.888 176 122.016 176-21.28-33.504-36.768-61.76-58.016-114.016C412 328.736 667.36 249.12 564 96z m136 147.008s-179.872 11.36-188.992 128.992c-4.16 52.384 47.488 79.872 48.992 118.016 1.28 31.104-31.008 56.96-31.008 56.96s57.888-10.464 76-57.984c20-52.736-38.976-88.736-32.992-131.008 5.76-40.352 128-114.976 128-114.976z m44 270.976c-18.88-0.864-40.128 6.144-59.008 20 37.248-8.224 69.024 15.136 69.024 42.016 0 60.256-86.016 116.992-86.016 116.992s132.992-14.88 132.992-113.984c0-40.896-25.6-63.52-56.992-65.024z m-352.992 1.024c-46.4 1.6-139.008 9.248-139.008 44.992 0 49.76 215.744 53.632 370.016 23.008 0 0 41.984-29.248 52.992-40-101.12 20.992-332 24.256-332 5.984 0-16.736 73.984-33.984 73.984-33.984s-10.496-0.512-25.984 0z m-14.016 92c-25.376 0-63.008 19.744-63.008 38.976 0 38.752 191.04 68.512 332.032 12l-49.024-29.984c-95.616 31.264-272.256 20.864-220-20.992z m24 86.976c-34.624 0-56.992 21.888-56.992 38.016 0 49.6 206.88 54.496 288.992 4l-52-34.016c-61.248 26.4-215.36 30.272-180-8z m-116 45.024C228.512 737.888 192 763.488 192 784.96c0 114.368 579.008 108.896 579.008-8 0-19.36-22.88-28.608-31.008-32.992 47.264 111.744-472.992 103.008-472.992 36.992 0-14.976 38.496-29.984 73.984-22.976l-29.984-17.024a190.784 190.784 0 0 0-26.016-1.984zM832 816c-88 85.12-310.72 115.616-535.008 63.008 224.256 93.76 533.888 41.6 535.008-63.008z"
10 |           p-id="951" fill="#2c2c2c"></path>
11 | </svg>


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/src/test/java/cn/mrdear/test/EnumExample.java:
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 1 | package cn.mrdear.test;
 2 | 
 3 | /**
 4 |  * --sugarenums false
 5 |  */
 6 | public enum EnumExample {
 7 | 
 8 |   APPLE(1),
 9 |   BANANA(2),;
10 | 
11 |   private int value;
12 | 
13 |   EnumExample(int value) {
14 |     this.value = value;
15 |   }
16 | 
17 | 
18 | }
19 | 


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/src/test/java/cn/mrdear/test/StringBuilderExample.java:
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 1 | package cn.mrdear.test;
 2 | 
 3 | /**
 4 |  * --stringbuilder false
 5 |  */
 6 | public class StringBuilderExample {
 7 | 
 8 |   public static void main(String[] args) {
 9 | 
10 |     // 常见错误写法
11 |     String result = "num:";
12 | 
13 |     for (int i = 0; i < 10; i++) {
14 |       result = result + String.valueOf(i);
15 |     }
16 |     System.out.println(result);
17 |   }
18 | 
19 | 
20 | }
21 | 


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/src/test/java/cn/mrdear/test/SwitchCaseExample.java:
--------------------------------------------------------------------------------
 1 | package cn.mrdear.test;
 2 | 
 3 | /**
 4 |  *
 5 |  * --decodestringswitch false
 6 |  *
 7 |  * @author Quding Ding
 8 |  * @since 2018/7/7
 9 |  */
10 | public class SwitchCaseExample {
11 | 
12 |   public static void main(String[] args) {
13 |     SwitchCaseExample example = new SwitchCaseExample();
14 |     example.switchCase("key1");
15 |   }
16 | 
17 |   private Integer switchCase(String key) {
18 |     switch (key) {
19 |       case "key1":
20 |         return 1;
21 |       case "key4":
22 |         break;
23 |       case "key3":
24 |       case "key3.1":
25 |         return 3;
26 |       default:
27 |         return 0;
28 |     }
29 |     return -1;
30 |   }
31 | 
32 | 
33 | }
34 | 


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