cf
Class Obfuscate

java.lang.Object
  cf.ClassFile
      cf.Obfuscate

 class Obfuscate
extends ClassFile

Class Obfuscate

Version:

$Id: Obfuscate.java,v 1.36 2003/08/16 08:05:06 rl Exp $

Author:

Zvi Har’El

See Also:

Class source code

Nested Class Summary

Nested classes/interfaces inherited from class cf.ClassFile

ClassFile.ByteArray

Field Summary

(package private) static Hashtable	classHash
(package private) String	className
(package private) Hashtable	descriptorHash
(package private) Hashtable	fieldHash
(package private) static boolean	flat
(package private) boolean[]	inUse
(package private) static char	last
(package private) static Vector	lastClass
(package private) int	lastField
(package private) int	lastMethod
(package private) static int	lastUnpackagedClass
(package private) Hashtable	methodHash
(package private) String	newClassName
(package private) ClassFile.ByteArray[]	orig
(package private) Obfuscate[]	otherOb
(package private) static Hashtable	packageHash
(package private) static String	prefix
(package private) static Vector	X

Fields inherited from class cf.ClassFile

access, attributes, cP, cPCode, cPHash, fields, interfaces, major, methods, minor, superClass, thisClass

Constructor Summary

Obfuscate(boolean isExternal, DataInputStream in)

Method Summary

(package private) static void	escape(PrintStream out, String s) Prints an identifer using Unicode escapes.
(package private) static short	ind(ClassFile.ByteArray c, int i) Extracts a constant pool index out of a constant pool entry.
(package private) void	inherit(short j)
static void	main(String[] args)
(package private) static String	obfuscateDescriptor(String s)
(package private) static Object	resize(Object o) Resize an array.
(package private) void	rewriteMembers(boolean isField, PrintStream out)
(package private) void	rewritePool()
(package private) short	rewriteUTF(short i, Hashtable hash, int j)
(package private) static String	toString(ClassFile.ByteArray c) Decodes a UTF8 constant.
(package private) ClassFile.ByteArray	translate(ClassFile.ByteArray c, Hashtable hash, int i)
(package private) static String	X(int i)

Methods inherited from class cf.ClassFile

addInterface, cp, cp, cp, cp, cp, cp, cp, cp, desc, desc, findClassInPath, findUTF8, getBytes, getClassFile, readAttribute, renameClass, setName, setSuper, strip, toUTF8, write, write, writeAttribute

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

classHash

static Hashtable classHash

packageHash

static Hashtable packageHash

prefix

static String prefix

X

static Vector X

lastClass

static Vector lastClass

flat

static boolean flat

last

static char last

lastUnpackagedClass

static int lastUnpackagedClass

orig

ClassFile.ByteArray[] orig

descriptorHash

Hashtable descriptorHash

fieldHash

Hashtable fieldHash

methodHash

Hashtable methodHash

otherOb

Obfuscate[] otherOb

className

String className

newClassName

String newClassName

inUse

boolean[] inUse

lastField

int lastField

lastMethod

int lastMethod

Constructor Detail

Obfuscate

Obfuscate(boolean isExternal,
          DataInputStream in)
    throws IOException

Throws:

IOException

Method Detail

main

public static void main(String[] args)
                 throws IOException,
                        ClassNotFoundException

Throws:

IOException

ClassNotFoundException

translate

ClassFile.ByteArray translate(ClassFile.ByteArray c,
                              Hashtable hash,
                              int i)

rewriteUTF

short rewriteUTF(short i,
                 Hashtable hash,
                 int j)

rewritePool

void rewritePool()

X

static String X(int i)

rewriteMembers

void rewriteMembers(boolean isField,
                    PrintStream out)

inherit

void inherit(short j)

toString

static String toString(ClassFile.ByteArray c)

Decodes a UTF8 constant.

Parameters:

c - a UTF8 constant

Returns:

the equivalent String

obfuscateDescriptor

static String obfuscateDescriptor(String s)

ind

static short ind(ClassFile.ByteArray c,
                 int i)

Extracts a constant pool index out of a constant pool entry.

Parameters:

c - the constant pool entry

i - 0 or 1

Returns:

an index to the pool

resize

static Object resize(Object o)

Resize an array.

escape

static void escape(PrintStream out,
                   String s)

Prints an identifer using Unicode escapes.

See Also:

The Java Language Specification §3.3