`
jacally
  • 浏览: 770516 次
  • 性别: Icon_minigender_1
  • 来自: 广州
社区版块
存档分类
最新评论

JAD反编译工具

    博客分类:
  • JAVA
阅读更多

This is README file for Jad - the fast Java Decompiler.
Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
Copyright 2000 Pavel Kouznetsov (kpdus@yahoo.com).

0. Please read the disclaimer on the Jad home page.

1. Installation.

Unzip jad.zip file into any appropriate directory on your hard drive.
This will create two files:

    - an executable file named 'jad.exe' (Windows 95/NT)
      or 'jad' (Linux)

    - this README file


No other setup is required.

2. How to use Jad

To decompile a single JAVA class file 'example1.class'
type the following:

     jad example1.class

This command creates file 'example1.jad' in the current directory.
If such file already exists Jad asks whether you want to overwrite it or not.
Option -o permits overwriting without a confirmation.

You can omit .class extension and/or use wildcards in the names of
input files.

Option -s <ext> allows to change output file extension:

     jad -sjava example1.class

This command creates file 'example1.java'. Be careful when using
options -o and -sjava together, because Jad can accidentally overwrite
your own source files.

Jad uses JAVA class name as an output file name. For example, if class
file 'example1.class' contains JAVA class 'test1' then Jad will create
file 'test1.jad' rather than 'example1.jad'. If you want to specify
your own output file name use the output redirection:

   jad -p example1.class > myexm1.java

Option -d allows you to specify another directory for output files,
which are created, by default, in the current directory. For example:

   jad -o -dtest -sjava *.class

   (or jad -o -d test -s java *.class, which has the same effect)

This command decompiles all .class files in the current directory
and places all output files with extension .java into directory 'test'.


If you want to decompile the whole tree of JAVA classes,
use the following command:

   jad -o -r -sjava -dsrc tree/**/*.class

This command decompiles all .class files located in all
subdirectories of 'tree' and creates output files in subdirectories
of 'src' according to package names of classes. For example, if file
'tree/a/b/c.class' contains class 'c' from package 'a.b', then
output file will have a name 'src/a/b/c.java'.

Note the use of the "two stars" wildcard ('**') in the previous
command. It is handled by Jad rather than the command shell, so on
UNIX the last argument should be single-quoted:

   jad -o -r -sjava -dsrc 'tree/**/*.class'


In a case you want to check the accuracy of the decompilation or just
curious, there is an option -a which tells Jad to annotate the output
with JAVA Virtual Machine bytecodes.

Jad supports the inner and anonymous classes.
When Jad expands wildcards in the input file names,
it automatically skips matching inner classes.
On UNIX Jad skips inner classes if there is more than
one class specified in the command line.
Jad looks for inner classes in the directory of their top-level
container class.

3. List of the command-line options.

Jad accepts the following options:

   -a       - annotate the output with JVM bytecodes
   -af      - same as -a, but output fully qualified names when annotating;
   -clear   - clear all prefixes, including the default ones (can be abbreviated as -cl)
   -b       - output redundant braces (e.g., if(a) { b(); }, default: no)
   -d <dir> - directory for output files (will be created when necessary)
   -dead    - try to decompile dead parts of code (if any) (default: no)
   -disass  - disassemble method bytecodes (no JAVA source generated)
   -f       - output fully qualified names for classes/fields/methods
   -ff      - output class fields before methods (default: after methods)
   -i       - output default initializers for all non-final fields
   -l<num>  - split strings into pieces of maximum <num> chars (default: no)
   -lnc     - annotate the output with line numbers (default: no)
   -nl      - split strings on newline character (default: no)
   -nodos   - do not check for class files written in DOS mode (CR before NL, default: check)
   -nocast  - don't generate auxiliary casts
   -nocode  - don't generate the source code for methods
   -noconv  - don't convert Java identifiers (default: do)
   -noctor  - suppress the empty constructors
   -noinner - turn off the support of inner classes (default: turn on)
   -nolvt   - ignore Local Variable Table information
   -nonlb   - don't output a newline before opening brace (default: do)
   -o       - overwrite output files without confirmation (default: no)
   -p       - send decompiled code to STDOUT (e.g., for piping)
   -pi<num> - pack imports into one line after <num> imports (default: 3)
   -pv<num> - pack fields with identical types into one line (default: no)
   -pa <pfx>- prefix for all packages in generated source files
   -pc <pfx>- prefix for classes with numerical names (default: _cls)
   -pf <pfx>- prefix for fields with numerical names (default: _fld)
   -pe <pfx>- prefix for unused exception names (default: _ex)
   -pl <pfx>- prefix for locals with numerical names (default: _lcl)
   -pm <pfx>- prefix for methods with numerical names (default: _mth)
   -pp <pfx>- prefix for method parms with numerical names (default: _prm)
   -r       - restore package directory structrure
   -s <ext> - output file extension (by default '.jad')
   -space   - output space between keyword (if/for/while/etc) and expression (default: off)
   -stat    - display the total number of processed classes/methods/fields
   -t       - use tabs instead of spaces for indentation
   -t<num>  - use <num> spaces for indentation (default: 4)
   -v       - display method names being decompiled
   -8       - convert UNICODE strings into 8-bit strings
              using the current ANSI code page (Win32 only)
   -&       - redirect STDERR to STDOUT (Win32 only)

All single-word options have three formats:

  -o    - 'reverses' value of an option
  -o+   - set value to 'true' or 'on'
  -o-   - set value to 'false' or 'off'

You can specify the options you want to be set by default in the environment variable
JAD_OPTIONS. For example:

JAD_OPTIONS=-ff+ -nonlb+ -t+

  • jad.1.5.8.rar (192.3 KB)
  • 描述: jad最新版本
  • 下载次数: 684
分享到:
评论

相关推荐

    jad反编译工具

    jad反编译工具是软件开发领域中用于逆向工程的重要工具,主要针对Java字节码进行解析和转换为源代码。在Java应用程序的保护和分析过程中,jad起着至关重要的作用。它允许开发者查看和理解已编译的.class文件内部结构...

    jad反编译工具的使用

    ** Jad 反编译工具详解** jad 是一款经典的Java字节码反编译工具,它能够将已编译的.class文件转换回可读性较高的Java源代码。jad v1.5.8f 是一个较早但仍然广泛使用的版本,对于理解和分析Java程序的内部结构非常...

    jad反编译工具的安装说明

    ### jad反编译工具的安装说明 #### 一、简介 jad是一款非常流行的Java反编译工具,它能够将Java字节码(.class文件)转换为可读性较强的源代码。jad支持从1.1到1.8的Java版本,并且在反编译过程中可以很好地保留原有...

    jad 反编译工具

    Jad反编译工具是软件开发领域中用于理解与分析Java字节码的工具,它能够将已编译的.class文件转换回源代码形式,便于开发者查看、理解和学习代码逻辑。在给定的信息中,我们看到它被设计为Eclipse集成开发环境的一个...

Global site tag (gtag.js) - Google Analytics