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Java Source Code / Java Documentation » Development » RetroGuard » COM.rl.obf.classfile 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   COM.rl.obf.classfile.ClassFile

ClassFile
public class ClassFile implements ClassConstants(Code)
This is a representation of the data in a Java class-file (*.class). A ClassFile instance representing a *.class file can be generated using the static create(DataInput) method, manipulated using various operators, and persisted back using the write(DataOutput) method.
author:
   Mark Welsh


Field Summary
final public static  StringSEP_INNER
    
final public static  StringSEP_REGULAR
    


Method Summary
public static  StringbackTranslate(String name)
     Translate a class name from the the regular '.' convention to internal '/' one.
public static  ClassFilecreate(DataInput din)
     Create a new ClassFile from the class file format data in the DataInput stream.
public  voiddump(PrintWriter pw)
     Dump the content of the class file to the specified file (used for debugging).
protected  CpInfogetCpEntry(int cpIndex)
     Lookup the entry in the constant pool and return as an Object.
public  String[]getDangerousMethods()
     List methods which can break obfuscated code, and log to a String[].
public  FieldInfogetField(int i)
     Return i'th field in class.
public  intgetFieldCount()
     Return number of fields in class.
public  String[]getInterfaces()
     Return the names of this class's interfaces.
public  intgetMajorVersion()
     Return major version of this class's file format.
public  MethodInfogetMethod(int i)
     Return i'th method in class.
public  intgetMethodCount()
     Return number of methods in class.
public  intgetModifiers()
     Return the access modifiers for this classfile.
public  StringgetName()
     Return the name of this classfile.
public  StringgetSuper()
     Return the name of this class's superclass.
protected  StringgetUtf8(int cpIndex)
     Lookup the UTF8 string in the constant pool.
public  booleanhasIncompatibleVersion()
    
public  booleanhasReflection()
    
public  VectorlistDangerMethods(Vector list)
     List methods which can break obfuscated code, and log to a Vector.
public  voidmarkNTRefs(ConstantPool pool)
     Check for direct references to NameAndType constant pool entries.
public  voidmarkUtf8Refs(ConstantPool pool)
     Check for direct references to Utf8 constant pool entries.
public static  String[]parseDescriptor(String descriptor)
     Parse a method or field descriptor into a list of parameter names (for methods) and a return type, in same format as the Class.forName() method returns .
public static  String[]parseDescriptor(String descriptor, boolean isDisplay)
     Parse a method or field descriptor into a list of parameter names (for methods) and a return type, optionally in same format as the Class.forName() method returns .
public static  String[]parseDescriptor(String descriptor, boolean isDisplay, boolean doTranslate)
     Parse a method or field descriptor into a list of parameter names (for methods) and a return type, in same format as the Class.forName() method returns .
public  voidremap(NameMapper nm, PrintWriter log, boolean enableMapClassString, boolean enableDummySourceFile)
     Remap the entities in the specified ClassFile.
public  intremapUtf8To(String newString, int oldIndex)
     Remap a specified Utf8 entry to the given value and return its new index.
public  voidremoveField(int i)
     Remove i'th field from class.
public  voidremoveMethod(int i)
     Remove i'th method from class.
public  voidsetDummySourceFile()
    
public  voidsetIdString(String id)
     Define a constant String to include in this output class file.
public static  Stringtranslate(String name)
     Translate a class name from the internal '/' convention to the regular '.' one.
public static  StringtranslateType(String inName, boolean isDisplay)
     Translate a type specifier from the internal JVM convention to the Class.forName() one.
public  voidtrimAttrs()
     Trim attributes from the classfile ('Code', 'Exceptions', 'ConstantValue' are preserved, all others are killed).
public  voidtrimAttrs(NameMapper nm)
     Remove unnecessary attributes from the class.
public  voidtrimAttrsExcept(String[] extraAttrs)
     Trim attributes from the classfile ('Code', 'Exceptions', 'ConstantValue' are preserved, all others except the list in the String[] are killed).
public  voidupdateRefCount()
     Update the constant pool reference counts.
public  voidwrite(DataOutput dout)
     Export the representation to a DataOutput stream.

Field Detail
SEP_INNER
final public static String SEP_INNER(Code)



SEP_REGULAR
final public static String SEP_REGULAR(Code)





Method Detail
backTranslate
public static String backTranslate(String name) throws Exception(Code)
Translate a class name from the the regular '.' convention to internal '/' one.



create
public static ClassFile create(DataInput din) throws Exception(Code)
Create a new ClassFile from the class file format data in the DataInput stream.
throws:
  IOException - if class file is corrupt or incomplete



dump
public void dump(PrintWriter pw) throws Exception(Code)
Dump the content of the class file to the specified file (used for debugging).



getCpEntry
protected CpInfo getCpEntry(int cpIndex) throws Exception(Code)
Lookup the entry in the constant pool and return as an Object.



getDangerousMethods
public String[] getDangerousMethods() throws Exception(Code)
List methods which can break obfuscated code, and log to a String[].



getField
public FieldInfo getField(int i) throws Exception(Code)
Return i'th field in class.



getFieldCount
public int getFieldCount() throws Exception(Code)
Return number of fields in class.



getInterfaces
public String[] getInterfaces() throws Exception(Code)
Return the names of this class's interfaces.



getMajorVersion
public int getMajorVersion()(Code)
Return major version of this class's file format.



getMethod
public MethodInfo getMethod(int i) throws Exception(Code)
Return i'th method in class.



getMethodCount
public int getMethodCount() throws Exception(Code)
Return number of methods in class.



getModifiers
public int getModifiers() throws Exception(Code)
Return the access modifiers for this classfile.



getName
public String getName() throws Exception(Code)
Return the name of this classfile.



getSuper
public String getSuper() throws Exception(Code)
Return the name of this class's superclass.



getUtf8
protected String getUtf8(int cpIndex) throws Exception(Code)
Lookup the UTF8 string in the constant pool. Used in debugging.



hasIncompatibleVersion
public boolean hasIncompatibleVersion()(Code)
Is this class in an unsupported version of the file format?



hasReflection
public boolean hasReflection()(Code)
Does this class contain reflection methods?



listDangerMethods
public Vector listDangerMethods(Vector list) throws Exception(Code)
List methods which can break obfuscated code, and log to a Vector.



markNTRefs
public void markNTRefs(ConstantPool pool) throws Exception(Code)
Check for direct references to NameAndType constant pool entries.



markUtf8Refs
public void markUtf8Refs(ConstantPool pool) throws Exception(Code)
Check for direct references to Utf8 constant pool entries.



parseDescriptor
public static String[] parseDescriptor(String descriptor) throws Exception(Code)
Parse a method or field descriptor into a list of parameter names (for methods) and a return type, in same format as the Class.forName() method returns .



parseDescriptor
public static String[] parseDescriptor(String descriptor, boolean isDisplay) throws Exception(Code)
Parse a method or field descriptor into a list of parameter names (for methods) and a return type, optionally in same format as the Class.forName() method returns .



parseDescriptor
public static String[] parseDescriptor(String descriptor, boolean isDisplay, boolean doTranslate) throws Exception(Code)
Parse a method or field descriptor into a list of parameter names (for methods) and a return type, in same format as the Class.forName() method returns .



remap
public void remap(NameMapper nm, PrintWriter log, boolean enableMapClassString, boolean enableDummySourceFile) throws Exception(Code)
Remap the entities in the specified ClassFile.



remapUtf8To
public int remapUtf8To(String newString, int oldIndex) throws Exception(Code)
Remap a specified Utf8 entry to the given value and return its new index.



removeField
public void removeField(int i) throws Exception(Code)
Remove i'th field from class.



removeMethod
public void removeMethod(int i) throws Exception(Code)
Remove i'th method from class.



setDummySourceFile
public void setDummySourceFile() throws Exception(Code)
Remap SourceFile attribute to constant string "SourceFile"



setIdString
public void setIdString(String id) throws Exception(Code)
Define a constant String to include in this output class file.



translate
public static String translate(String name) throws Exception(Code)
Translate a class name from the internal '/' convention to the regular '.' one.



translateType
public static String translateType(String inName, boolean isDisplay) throws Exception(Code)
Translate a type specifier from the internal JVM convention to the Class.forName() one.



trimAttrs
public void trimAttrs() throws Exception(Code)
Trim attributes from the classfile ('Code', 'Exceptions', 'ConstantValue' are preserved, all others are killed).



trimAttrs
public void trimAttrs(NameMapper nm) throws Exception(Code)
Remove unnecessary attributes from the class.



trimAttrsExcept
public void trimAttrsExcept(String[] extraAttrs) throws Exception(Code)
Trim attributes from the classfile ('Code', 'Exceptions', 'ConstantValue' are preserved, all others except the list in the String[] are killed).



updateRefCount
public void updateRefCount() throws Exception(Code)
Update the constant pool reference counts.



write
public void write(DataOutput dout) throws Exception(Code)
Export the representation to a DataOutput stream.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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