jode-users

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Re: [Jode-users] JODE obfuscation.

[Jochen H. <hoe...@gm...>]

Hello Zach,

2012/5/3 Me Myself and I <sta...@li...>:
>
> Jode is both a java decompiler and obfuscator, for java.
>
> -Can java obfuscate class files while they are inside jar,war,ear files?

It can read classes from zip files and jar and war files are just zip
files, so it works for them.  I'm not sure about ear files, but
probably they are also zip files.

> -When JODE produces an obfuscated result, does it simply alter input file(s),
> or does it output a second file (s) ?

It outputs them to a separate directory or zip file.

> -Can jode perform class file obfuscation, and not just source
> code obfuscation?

Yes, it only works on class files, not on source files.

> -Can JODE change class files such that they run on multiple platform
> java runtimes exactly the same, but such that decompilers produce
> fatal run errors and seize when they try to decompile?

The decompiler will still be able to decompile them.  It only renames
the identifiers, so that the decompiled code is less readable.

> -Can Jode alter class files to block completion of decompilation entirely?
> -Particularly against its own decompilation?
> Presumably this can be accomplished by use of a customising script file.

No.  For this you need an obfuscator that adds some fake uncompilable
code into the class files.  Search for flow obfuscation to find such
tools.

>
> -Could I be sent just such a script file as accomplishes the goals behind my earlier questions
> in this email, with an example of a command line example of how to call the obfuscator
> on a java class(es) via implementation of the custom script?

For this I would need to know, what the code is, you want to
obfuscate.  In particular, what are the package names, what is the
main class, is there any reflection used, so that class names need to
be preserved, what are the libraries (and should they also be
obfuscated), and what kind of java application is this (standalone,
applet, webapp, plugin, etc).

Regards,
  Jochen

[Jode-users] JODE obfuscation.

[Me M. a. I <sta...@li...>]

Jode is both a java decompiler and obfuscator, for java.

-Can java obfuscate class files while they are inside jar,war,ear files?

-When JODE produces an obfuscated result, does it simply alter input file(s),
or does it output a second file (s) ?

-Can jode perform class file obfuscation, and not just source
code obfuscation?

-Can JODE change class files such that they run on multiple platform
java runtimes exactly the same, but such that decompilers produce
fatal run errors and seize when they try to decompile?

-Can Jode alter class files to block completion of decompilation entirely?

-Particularly against its own decompilation?

Presumably this can be accomplished by use of a customising script file.

-Could I be sent just such a script file as accomplishes the goals behind my earlier questions
in this email, with an example of a command line example of how to call the obfuscator
on a java class(es) via implementation of the custom script?
 		 	   		  

Re: [Jode-users] Use of Jode as a class file obfuscator.

[Jochen H. <hoe...@gm...>]

Hello,

2011/7/16 Me Myself and I <sta...@li...>:
> I am about to Test Jode on a java .class file, using the demonstration file
>
> myproject.jos
>
>
> as per the basic tutorial instructions
>
> Can I now execute this class file straight away?  Or am I forced to include
> a "de-coding"
> lib with some sort of key?

It should work.  You need to adapt the file myproject.jos, of course.
Especially the load and preserve section must match your package
names.  The load parameter tells which packages and classes the
obfuscator should include in the obfuscated code (if needed), and the
preserve parameter gives the starting point, usually the main function
of the code.   Everything that is preserved is not renamed at all.
Note that you need to preserve the methods, it is not enough to just
preserve a class.

> Does my class file still remain cross platform, while my code is consistent,
> for seperate Operating System platforms?

Yes, as long as you do not use reflection or native code, it should
work.  If you use reflection, you must be careful to preserve all
classes, methods and fields that can be accessed via reflection.

> Will my class file, or the result, now confound compilers free off the
> internet, such as
> -DJ Decompiler
> -Java Decompiler
> -Jode (Will it stop itself trying to run on ofuscated code in DECOMPILER
> mode?

No, its main function is to rename all identifiers to short and
unreadable names.  Normally the code is still decompilable and the
decompiled code can be edited and compiled again.  All strings are in
still in plain text in the class files. However, it is much harder to
read for a human as all class names and function names are obfuscated.

Regards,
  Jochen

[Jode-users] Use of Jode as a class file obfuscator.

[Me M. a. I <sta...@li...>]

I am about to Test Jode on a java .class file, using the demonstration file

myproject.jos

with the obfuscator

jode-1.1.2-pre1.jar

as per the basic tutorial instructions under

the "Using the Obfuscator" heading

on page from the "Documentation" link on the homepage at 

http://jode.sourceforge.net/

Can I now execute this class file straight away?  Or am I forced to include a "de-coding"
lib with some sort of key?

Does my class file still remain cross platform, while my code is consistent,
for seperate Operating System platforms?

Will my class file, or the result, now confound compilers free off the internet, such as
-DJ Decompiler
-Java Decompiler
-Jode (Will it stop itself trying to run on ofuscated code in DECOMPILER mode?

Many thanks for the interest!

Z
 		 	   		  

Re: [Jode-users] Jode

[Jochen H. <hoe...@gm...>]

2010/10/14 Me Myself and I <sta...@li...>:
> #I am attempting to test Jode by getting it to do something
> #as obfuscate one Java Class with its main method.
>
> #I have examined and edited the example script "myproject.pos",
> #and am finding that I am apprently getting a silent error.
>
> #Please, can someone examine my .pos code below, and tell me what I should
> do,
> #in the .pos file and at the prompt (WINXP_SP3)?
> #(Where do I specify the .class or .jar/war/ear to be obfuscated just to
> start with?

The classpath should include the rt.jar file (usually in
jre/lib/rt.jar) and the jar file that contains the class to obfuscate
(or alternatively the base directory where the class files are).

In case that you want to obfuscate a single class file, the parameter
load should be set to the full-qualified name of the class (if it is
not in a package, it is just the class name without .class ending).
With load you tell the obfuscator which packages or classes you want
to include in the obfuscated jar file.  So it should normally be the
base-package where all your classes and sub-packages are in.

preserve should be set to the main method
("packagename.Classname.main.*", or
"packagename.Classname.main.([Ljava/lang/String;]V)").  This prevents
the method main and the class itself from being renamed and marks the
main method and everything called from it as reachable.

I haven't tried my obfuscator for a long time, and I cannot guarantee
that it works with recent java version, but you can try it.  It
certainly does not know about generics; I hope it just strips all the
generics information, but if you are unlucky, it will just preserve
them making deobfuscation easier.

Regards,
  Jochen

[Jode-users] Jode

[Me M. a. I <sta...@li...>]

#I am attempting to test Jode by getting it to do something
#as obfuscate one Java Class with its main method.

#I have examined and edited the example script "myproject.pos",
#and am finding that I am apprently getting a silent error.

#Please, can someone examine my .pos code below, and tell me what I should do,
#in the .pos file and at the prompt (WINXP_SP3)?
#(Where do I specify the .class or .jar/war/ear to be obfuscated just to start with?


#########################################################################




#prompt> java jode.obfuscator.Main myproject.jos

# This is a sample script file to obfuscate my project

# The class path should include everything that is needed to run the
# project.  Don't forget the java base classes (rt.jar or classes.zip).
classpath = 
"c:\\Program Files\\Java\\jre6\\bin",
"c:\\Program Files\\Java\\jdk1.6.0_13\\bin",
"c:\\Documents and Settings\\Administrator\\Desktop\\poi-3.6\\poi-contrib-3.6-20091214.jar",
"c:\\Documents and Settings\\Administrator\\Desktop\\poi-3.6\\poi-ooxml-3.6-20091214.jar",
"c:\\Documents and Settings\\Administrator\\Desktop\\poi-3.6\\poi-scratchpad-3.6-20091214.jar",
"c:\\Documents and Settings\\Administrator\\Desktop\\poi-3.6\\poi-3.6-20091214.jar",
"c:\\Documents and Settings\\Administrator\\Desktop\\poi-3.6\\poi-ooxml-schemas-3.6-20091214.jar",
"c:\\Documents and Settings\\Administrator\\Desktop"

# The jar, zip file or directory in which the obfuscated class files
# should be written.
dest = "c:\\Documents and Settings\\Administrator\\Desktop\\obfuscated.jar"

# Write the reverse translation table to translat.tbl.  With the help of
# this table you can later undo the renaming.
#revtable = "translat.tbl"

strip = "unreach","lvt","inner"

# this variable will tell, which classes and packages should be included
# in the obfuscated.jar package.
#load = new WildCard { value = "org.myorg.myproject" },
#       new WildCard { value = "org.myorg.mylib*" },
#       new WildCard { value = "org.otherorg.shortlib" }

# this variable will tell, which classes and packages must not be
# renamed.
#preserve = new WildCard { value = "org.myorg.ApplicationClass.main.*" },
#           new WildCard { value = "org.myorg.AppletClass.<init>.()V" },
#           new WildCard { value = "org.resources.BundleClass*.<init>.()V" },
#           new MultiIdentifierMatcher { 
#               and = new WildCard { value = "org.myorg.publiclib.*" },
#                 new ModifierMatcher { access = "PUBLIC" }
#       }

# There are different renamers currently.  This is just an example that
# produces very good obfuscated code, that is still valid bytecode.
renamer = new StrongRenamer {
  charsetStart = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ"
  charsetPart = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ0123456789_$"
  charsetPackage = "abcdefghijklmnopqrstuvwxyz"
  charsetClass = "abcdefghijklmnopqrstuvwxyz"
}

# The constant analyzer does a great job to remove constant fields and
# deadcode.  E.g. if you obfuscate the decompiler applet it will
# remove the whole debugging code, since the applet doesn't need it.
analyzer = new ConstantAnalyzer

# The LocalOptimizer will reorder local variables to use fewer slots.
# It may still have some bugs, so remove it if your applet doesn't
# work (and send me the class).
# The RemovePopAnalyzer will remove instructions that were optimized
# away by the ConstantAnalyzer and LocalOptimizer.
post = new RemovePopAnalyzer


#########################################################################
 		 	   		  

[Jode-users] i have problem decompile .class pleas help me. tanks

[bytamirci b. <by...@gm...>]

bonjour,

je un problem de compilation avec un .class est ce que vous pouvez me
decompiler

merci,



hello,

I have a problem with a compilation. class is that you can send me
decompiler

thank you,

Re: [Jode-users] Last stable and beta version?

[Trevor H. <tr...@vo...>]

On Jul 25, 2008, at 5:48 PM, Arturo Tena wrote:

> I did svn checkout, downloaded gnu.getopt, and tried to compiled  
> using NetBeans. But the compiler says that it does not know  
> InstrInfo class on lLine 172 of  
> net.sf.jode.obfuscator.modules.LocalOptimizer.java.
>
> Is there any file missing on SVN repository?

Some files need to be excluded from the build. Here is the <javac>  
command I use in Ant:

<javac
	srcdir="${src.dir}"
	destdir="${class.dir}"
	includes="**"
	debug="true">
	<classpath>
		<fileset dir="${lib.dir}">
			<include name="**/*.jar"/>
		</fileset>
		<pathelement location="${bcel.jar}"/>
	</classpath>
     <exclude name="net/sf/jode/obfuscator/modules/ 
RemovePopAnalyzer.java"/>
     <exclude name="net/sf/jode/obfuscator/modules/ 
LocalOptimizer.java"/>
     <exclude name="net/sf/jode/obfuscator/modules/ 
LocalizeFieldTransformer.java"/>
</javac>

Trevor

Re: [Jode-users] Last stable and beta version?

[Trevor H. <tr...@vo...>]

On Jul 23, 2008, at 6:06 PM, Arturo Tena wrote:

> I am using JODE now. Is there a new version I should try?
>

I believe the trunk has more bug fixes and features than any of the  
actual releases. Get it using Subversion from this URL:

https://jode.svn.sourceforge.net/svnroot/jode/trunk/jode/src

Trevor

[Jode-users] Last stable and beta version?

[Arturo T. <art...@ya...>]

Hi!
 
I am using JODE now. Is there a new version I should try? Because the decompiled class has method like this:
 

    public static HashMap createAtributesLocal
 (Object o, ServletContext servletContext) throws MyException {
 exception = exception_3_;
 break;
    }
    
    public static HashMap createAtributes
 (Object o, ServletContext servletContext) throws MyException {
 exception = exception_5_;
 break;
    }

Thank you.

Arturo Tena
arturotena.com

__________________________________________________
Correo Yahoo!
Espacio para todos tus mensajes, antivirus y antispam ¡gratis! 
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Re: [Jode-users] NoClassDefFoundError

[Jochen H. <hoe...@gm...>]

Hello Yang Zhang,

2008/1/30, Yang Zhang <yan...@gm...>:
> Hi, I can't seem to get jode to find my class file (tried pwd and .).
> Thanks in advance for any help.
>
> $ ls edu/cmu/neuron2/NeuRonNode.class
> edu/cmu/neuron2/NeuRonNode.class
>
> $ java -cp .:jode-1.1.2-pre1.jar jode.decompiler.Main -c `pwd`
> edu.cmu.neuron2.NeuRonNode
> Jode (c) 1998-2001 Jochen Hoenicke <jo...@gn...>
> edu.cmu.neuron2.NeuRonNode
> Failed to decompile edu.cmu.neuron2.NeuRonNode.
> java.lang.NoClassDefFoundError: edu.cmu.neuron2.NeuRonNode
>          at jode.bytecode.ClassInfo.loadInfo(ClassInfo.java:631)

This probably is a problem with class version.  Sun is incrementing
the version of their class files with each major release.  I think
jode-1.1.2-pre1 still checks that the version is in the supported
range (JDK 1.0-1.3).  I have removed this check completely, now. I
should probably make a new release, but the current version is a bit
buggy: It shows lots of unnecessary casts.  Nonetheless, the class
files it produces should be compilable.

For JDK >= 1.5 there are still problems with try-catch and
synchronized blocks; the algorithm should be mostly rewritten to
handle them.  Unfortunately, I do not have so much time I spend on it.

So try the svn version (the trunk uses an ant build script so it
should be easy to compile).  You need a subversion client to download
the repository.

Regards,
  Jochen


-- 
Jochen Hoenicke,
Email: hoe...@in...  Tel: +49 761 203 8243

[Jode-users] NoClassDefFoundError

[Yang Z. <yan...@gm...>]

Hi, I can't seem to get jode to find my class file (tried pwd and .). 
Thanks in advance for any help.

$ ls edu/cmu/neuron2/NeuRonNode.class
edu/cmu/neuron2/NeuRonNode.class

$ java -cp .:jode-1.1.2-pre1.jar jode.decompiler.Main -c `pwd` 
edu.cmu.neuron2.NeuRonNode
Jode (c) 1998-2001 Jochen Hoenicke <jo...@gn...>
edu.cmu.neuron2.NeuRonNode
Failed to decompile edu.cmu.neuron2.NeuRonNode.
java.lang.NoClassDefFoundError: edu.cmu.neuron2.NeuRonNode
         at jode.bytecode.ClassInfo.loadInfo(ClassInfo.java:631)
         at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:86)
         at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:123)
         at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:128)
         at jode.decompiler.Main.decompileClass(Main.java:187)
         at jode.decompiler.Main.decompile(Main.java:403)
         at jode.decompiler.Main.main(Main.java:214)

Failed to decompile these classes:
         edu.cmu.neuron2.NeuRonNode
Failed to decompile 1 classes.
Decompiled 0 classes.

-- 
Yang Zhang
http://www.mit.edu/~y_z/

[Jode-users] OT: Invitation to participate in research project

[Ben A. <ben...@st...>]

Hello there

I would greatly appreciate a small amount of your time to assist with
my doctoral research at The University of Newcastle. The research
concerns open source licensing and we're seeking developers working on
Java projects. The research is supervised, ethics-approved, anonymous
and results will be freely available. Participation will also provide a
custom licensing report for your project. To learn more, please visit:

   http://licensing-research.newcastle.edu.au

Thanks for reading this email, and I hope you'll consider participating.

Best regards
Ben Alex

(My apologies for being off-topic; this list will not be emailed again)

[Jode-users] New static analysis project uses JODE

[Trevor H. <tr...@vo...>]

Hi all,

I just wanted to announce a new project I created. Called Volta, it's  
a collection of tools for doing worst-case timing analysis on Java  
programs. The relevance to this list is that Volta relies heavily on  
JODE. The distribution includes a version of JODE that I modified to  
preserve the bytecode for each structured block, as this is vital for  
timing analysis. You can find it here:

http://volta.sourceforge.net/

There's also a diagram in the Volta user manual that shows where JODE  
fits in:

http://volta.sourceforge.net/doc/manual/multi-page/ch04s02.html

Trevor

[Jode-users] patches for JODE branch-1.1 to work on GCJ and decompile IRPF2007

[Alexandre O. <lx...@fs...>]

These are a few changes I needed to make to the Jode, in the SVN
branch-1.1, to get it to:

1) compile and run with the ecj/gcj compiler and run-time environment,
as in Fedora development (IIRC only the change for
jode/obfuscator/PackageIdentifier.java and
jode/obfuscator/modules/LocalOptimizer.java)

2) decompile the relevant portions of the tax form filling-in program
released by the Brazilian IRS (all of the serpro.* classes in
irpf.jar; pretty much everything else is available as Free Software
already).  Other than jode/flow/TransformConstructors.java, that
signalled a NullPointerException, the other changes related with
linewidth were needed because some of the files contain extremely long
chains of invocations with arguments that are extremely long chains of
invocations and so on and so forth, so, because of the exponential
nature of the line-break placement algorithm, it spend hours trying to
make things fit without success.

3) avoid a NullPointerException at the end of execution when asking
for usage or some such

4) s/commercial/non-Free/, since there's nothing wrong with commercial
Free Software ;-)

I hope this helps.

Re: [Jode-users] JODE Obfuscator

[Jochen H. <hoe...@gm...>]

Hello Zaheer,

2006/1/27, Zaheer Bawar <bz...@ya...>:
> I have been trying to make the JODE Obfuscator work,
> but failed again and agian.
>
> Jode (c) 1998-2001 Jochen Hoenicke <jo...@gn...>
> [...]
> Writing new classes
> Can't write zip file: obfuscated.zip
> java.util.zip.ZipException: ZIP file must have at least one entry

This error means that the load rule is not correct and it does
not load any classes.

> This is where my java.jar file is =3D=3D> C:\JODEexample
> Structure of java.jar =3D>
>         java.jar -> java(folder)->file(folder) ->
> test.java

Jode has no compiler built in.  It reads class files, not java files. You s=
hould
compile the project before you invoke the obfuscator.

Also note that the directory must reflect the package structure.  So test.c=
lass
should only be in java/file if it is in package java.file.  However,
the package java
is reserved for Sun, so you should put it in a different package.  I
strongly encourage
the use of packages, I am not sure whether Jode works for classes that
are not part of
any package.

> Here is the contents of the .jos file:
>
> classpath =3D "C:\\Program
> Files\\Java\\jre1.5.0_06\\lib\\rt.jar","C:\\JODEexample"
> dest =3D "obfuscated.zip"
> revtable =3D "translat.tbl"
> strip =3D "unreach","lvt","inner"
> load =3D new WildCard { value =3D "java.classes*" },
>        new WildCard { value =3D "java.file" }

You should not use the package "java" for your own files.

Regards,
  Jochen

--
Jochen Hoenicke, University of Oldenburg, 26111 Oldenburg, Germany
Email: hoe...@in...  Tel: +49 441 798 3124

[Jode-users] JODE Obfuscator

[Zaheer B. <bz...@ya...>]

Hello,
I have been trying to make the JODE Obfuscator work,
but failed again and agian.
Here is the situation:

This is where my java.jar file is ==> C:\JODEexample 
Structure of java.jar => 
        java.jar -> java(folder)->file(folder) ->
test.java

Here is the contents of the .jos file:

classpath = "C:\\Program
Files\\Java\\jre1.5.0_06\\lib\\rt.jar","C:\\JODEexample"
dest = "obfuscated.zip"
revtable = "translat.tbl"
strip = "unreach","lvt","inner"
load = new WildCard { value = "java.classes*" },
       new WildCard { value = "java.file" }
       
preserve = new WildCard { value = "java.file.main.*" }

renamer = new StrongRenamer {
  charsetStart =
"aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ"
  charsetPart =
"aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ0123456789_$"
  charsetPackage = "abcdefghijklmnopqrstuvwxyz"
  charsetClass = "abcdefghijklmnopqrstuvwxyz"
}


I have a batch file as well:

set classpath=C:\JODEexample\jode.jar
java jode.obfuscator.Main obf.jos


But when I run the batch file, the error I get is:

Jode (c) 1998-2001 Jochen Hoenicke <jo...@gn...>
used before: 238720
Loading and preserving classes
Time used: 2684
Computing reachability
Time used: 0
used after analyze: 2144552
Renaming methods
Time used: 40
Transforming the classes
Time used: 0
used after transform: 2111728
Writing new classes
Can't write zip file: obfuscated.zip
java.util.zip.ZipException: ZIP file must have at
least one entry
        at
java.util.zip.ZipOutputStream.finish(Unknown Source)
        at
java.util.zip.DeflaterOutputStream.close(Unknown
Source)
        at java.util.zip.ZipOutputStream.close(Unknown
Source)
        at
jode.obfuscator.ClassBundle.storeClasses(ClassBundle.java:431)
        at
jode.obfuscator.ClassBundle.run(ClassBundle.java:541)
        at jode.obfuscator.Main.main(Main.java:189)
Time used: 140


Basically, It does not write anything to the .zip file
and I am totally lost to why it is not working.
Your help is very appreciated.
I have a project presenation on JODE,so if you could
please solve this problem, that would be great.

Thank you in Advance.
Zaheer

**************************************************************************
Freedom is just Chaos, with better lighting.      
The cowards never start and the weak die along the way.  
Seek not happiness too greedily, and be not fearful of happiness.




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Re: [Jode-users] newbie question

[Jochen H. <hoe...@gm...>]

2005/12/20, Edwin S Lukaweski <se...@ro...>:
>
> Hi:
>
>     I am trying to extract the table of contents  via jar command:
>
>     Here is my command:  jar tf jode-1.1.1.jar
>
>     And I get no response. I am using sun sdk j2sdk1.4.2_08.

My guess is that the file is corrupted.  Another possibility is that you
accidently downloaded the HTML-file where a mirror should be selected,
instead of the jar file.  On Sourceforge this often happens if you right-cl=
ick
and select "save link as...".

Regards,
  Jochen

--
Jochen Hoenicke, University of Oldenburg, 26111 Oldenburg, Germany
Email: hoe...@in...  Tel: +49 441 798 3124

[Jode-users] newbie question

[Edwin S L. <se...@ro...>]

Hi:

    I am trying to extract the table of contents  via jar command:

    Here is my command:  jar tf jode-1.1.1.jar

    And I get no response. I am using sun sdk j2sdk1.4.2_08.


    Does anybody have any idea why I get no reaponse. The same thing =
happens when I try to extract the bat file, as in

    jar xvf jode-1.1.1.jar bin/jode.bat

Thanks, in advance

Edwin

[Jode-users] configure help

[Lachlan D. <lac...@gm...>]

Hi there,

two quick questions:
1. anyone on the list compiled Jode on Mac OS X (esp. 10.4)?

2. I'm attempting to build a Portfile for Jode (for DarwinPorts) but  
am getting a configure error (see below) that I'm not sure how to  
fix. Configure is looking in /usr/lib/... for java stuff but it needs  
to look elsewhere (see below). What do I pass to the configure script  
to alter this?

I've tried passing a CLASSLIB variable to configure but this doesn't  
seem to make any difference.

Anyone got any ideas?
Thanks in advance...

with regards,
--

Lachlan Deck

The default environment for Mac OS X's Java is as specified in the  
following xml:
lds-mac:~ ldeck$ cat /System/Library/Java/JavaConfig.plist
{
     Vendor = apple;
     apple = {
         VM = "/usr/bin/java";
         DefaultClasspath = "$HOME/Library/Java:$NEXT_ROOT/Library/ 
Java:$NEXT_ROOT/System/Library/Java:$NEXT_ROOT/Network/Library/Java: 
$NEXT_ROOT/System/Library/Frameworks/JavaVM.framework/Classes/ 
classes.jar:$NEXT_ROOT/System/Library/Frameworks/JavaVM.framework/ 
Classes/ui.jar";
         DefaultBeanpath = "$HOME/Library/JavaBeans:$NEXT_ROOT/ 
Library/JavaBeans:$NEXT_ROOT/System/Library/JavaBeans:$NEXT_ROOT/ 
Network/Library/JavaBeans";
         Compiler = "/usr/bin/javac";
         Headers = "$NEXT_ROOT/System/Library/Frameworks/ 
JavaVM.framework/Headers";
         Library = "$NEXT_ROOT/System/Library/Frameworks/ 
JavaVM.framework/Libraries/libjvm.dylib";
     };
}
lds-mac:~ ldeck$

lds-mac:~/Documents/Downloads/jode-1.1.2-pre1 ldeck$ aclocal &&  
automake -a && autoconf
lds-mac:~/Documents/Downloads/jode-1.1.2-pre1 ldeck$ ./configure -- 
prefix=/opt/local
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make sets $(MAKE)... (cached) yes
checking for perl... /usr/bin/perl
checking for cygpath... no
checking for java... /usr/bin/java
checking for javac... /usr/bin/javac
checking for jar... /usr/bin/jar
checking for /usr/lib/java/lib/classes.zip... no
checking for /usr/lib/java/lib/rt.jar... no
checking for /usr/lib/java/jre/lib/classes.zip... no
checking for /usr/lib/java/jre/lib/rt.jar... no
checking for /usr/lib/java/shared/classes.zip... no
checking for /usr/lib/java/shared/rt.jar... no
checking for jikes... /usr/bin/jikes
checking for unzip... /usr/bin/unzip
checking for java.lang.Object... no
configure: error: Please specify location of core java class library
lds-mac:~/Documents/Downloads/jode-1.1.2-pre1 ldeck$

[Jode-users] Error get when try to read the source of String

[Carfield Y. <car...@ca...>]

I run using eclipse plugin, but seen it is not related to the plugin, or
I am wrong?

http://blog.technoetic.com/jode-eclipse-plugin/

/*jode*/


/***** DECOMPILATION REPORT *****
	LOCATION: C:\Program Files\Java\j2re1.4.1_02\lib\rt.jar!java.lang.String
	TOTAL TIME: 0 ms

	CAUGHT EXCEPTIONS:
java.lang.NoClassDefFoundError: java.lang.String
	at jode.bytecode.ClassInfo.loadInfo(ClassInfo.java:631)
	at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:86)
	at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:123)
	at jode.decompiler.ClassAnalyzer.<init>(ClassAnalyzer.java:128)
	at net.sourceforge.jode.JodeDecompiler.decompile(JodeDecompiler.java:69)
	at
net.sourceforge.jode.JodeSourceMapper.findSource(JodeSourceMapper.java:82)
	at
net.sourceforge.jode.JodeSourceMapper.findSource(JodeSourceMapper.java:65)
	at
net.sourceforge.jode.JodeClassFileEditor.doOpenBuffer(JodeClassFileEditor.java:104)
	at
net.sourceforge.jode.JodeClassFileEditor.init(JodeClassFileEditor.java:70)
	at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:719)
	at
org.eclipse.ui.internal.EditorManager.openInternalEditor(EditorManager.java:788)
	at
org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:582)
	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:570)
	at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2244)
	at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2177)
	at org.eclipse.ui.internal.WorkbenchPage.access$6(WorkbenchPage.java:2169)
	at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2156)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
	at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2151)
	at
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:149)
	at
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:119)
	at
org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(OpenActionUtil.java:49)
	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:164)
	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:138)
	at
org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:216)
	at
org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:188)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:881)
	at
org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:915)
	at
org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:866)
	at
org.eclipse.jface.action.ActionContributionItem$7.handleEvent(ActionContributionItem.java:785)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:796)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2773)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2432)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348)
	at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141)
	at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96)
	at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335)
	at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
	at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.eclipse.core.launcher.Main.basicRun(Main.java:185)
	at org.eclipse.core.launcher.Main.run(Main.java:704)
	at org.eclipse.core.launcher.Main.main(Main.java:688)

 ********************************/

Re: [Jode-users] In-memory classes?

[Jochen H. <hoe...@gm...>]

On Mar 31, 2005 6:12 PM, Howard Lewis Ship <hl...@gm...> wrote:
> I make use of Javassist to create classes in-memory.  I was thinking
> it would be useful and informative to plug JODE into my pipeline, so
> that I could de-compile the dynamically generated bytecode.
> 
> Couldn't see how to do this with JODE.  It seems organized around the
> bytecodes sitting in a file. Is there a way to easily support
> decompling a Class object already in memory?  Alternately, I can get
> the generated bytecode (into a byte[] array) and would like to
> decompile that.

With the latest CVS version or 1.90-pre releases you can write your own
classpath location, which can load classes from any virtual location.

As an example, see ZipLocation, which loads classes from an in memory
zip file.  All you need is to override the getFile() method to return an
ByteArrayInputStream().  Then you can create a new ClassPath with your
location and decompile classes from this classpath.

Regards,
  Jochen

-- 
Jochen Hoenicke, University of Oldenburg, 26111 Oldenburg, Germany
Email: hoe...@in...  Tel: +49 441 798 3124