Package com.yworks.yguard.obf.classfile

Class ClassItemInfo

java.lang.Object

com.yworks.yguard.obf.classfile.ClassItemInfo

All Implemented Interfaces:

ClassConstants

Direct Known Subclasses:

FieldInfo, MethodInfo

public abstract class ClassItemInfo
extends java.lang.Object
implements ClassConstants

Representation of a field or method from a class-file.

Field Summary

Fields

Modifier and Type	Field	Description
protected AttrInfo[]	attributes	The Attributes.
protected int	u2attributesCount	The U 2 attributes count.

Fields inherited from interface com.yworks.yguard.obf.classfile.ClassConstants

ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ATTR_AnnotationDefault, ATTR_BootstrapMethods, ATTR_Bridge, ATTR_Code, ATTR_ConstantValue, ATTR_Deprecated, ATTR_EnclosingMethod, ATTR_Enum, ATTR_Exceptions, ATTR_InnerClasses, ATTR_LineNumberTable, ATTR_LocalVariableTable, ATTR_LocalVariableTypeTable, ATTR_MethodParameters, ATTR_Module, ATTR_ModuleMainClass, ATTR_ModulePackages, ATTR_NestHost, ATTR_NestMembers, ATTR_PermittedSubclasses, ATTR_Record, ATTR_RuntimeInvisibleAnnotations, ATTR_RuntimeInvisibleParameterAnnotations, ATTR_RuntimeInvisibleTypeAnnotations, ATTR_RuntimeVisibleAnnotations, ATTR_RuntimeVisibleParameterAnnotations, ATTR_RuntimeVisibleTypeAnnotations, ATTR_Signature, ATTR_SourceDebug, ATTR_SourceDebugExtension, ATTR_SourceFile, ATTR_StackMapTable, ATTR_Synthetic, ATTR_Unknown, ATTR_Varargs, CONSTANT_Class, CONSTANT_Double, CONSTANT_Dynamic, CONSTANT_Fieldref, CONSTANT_Float, CONSTANT_Integer, CONSTANT_InterfaceMethodref, CONSTANT_InvokeDynamic, CONSTANT_Long, CONSTANT_MethodHandle, CONSTANT_Methodref, CONSTANT_MethodType, CONSTANT_Module, CONSTANT_NameAndType, CONSTANT_Package, CONSTANT_String, CONSTANT_Utf8, KNOWN_ATTRS, MAGIC, MAJOR_VERSION, MINOR_VERSION_MAX, REF_getField, REF_getStatic, REF_invokeInterface, REF_invokeSpecial, REF_invokeStatic, REF_invokeVirtual, REF_newInvokeSpecial, REF_putField, REF_putStatic, REQUIRED_ATTRS

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClassItemInfo(ClassFile cf)	Instantiates a new Class item info.

Method Summary

Modifier and Type	Method	Description
int	getAccessFlags()	Return access flags.
java.lang.String	getDescriptor()	Return descriptor string.
protected int	getDescriptorIndex()	Return method/field descriptor index into Constant Pool.
java.lang.String	getName()	Return method/field string name.
protected int	getNameIndex()	Return method/field name index into Constant Pool.
ObfuscationConfig	getObfuscationConfig()	Gets obfuscation config.
static ObfuscationConfig	getObfuscationConfig(java.lang.String name, AttrInfo[] attributes)	Gets obfuscation config.
boolean	isSynthetic()	Is the field or method 'Synthetic'?
protected void	markUtf8Refs(ConstantPool pool)	Check for Utf8 references to constant pool and mark them.
protected void	read(java.io.DataInput din)	Import the field or method data to internal representation.
protected void	setDescriptorIndex(int index)	Set the method/field descriptor index.
protected void	setNameIndex(int index)	Set the method/field name index.
protected void	trimAttrsExcept(java.lang.String[] keepAttrs)	Trim attributes from the classfile ('Code', 'Exceptions', 'ConstantValue' are preserved, all others except the list in the String[] are killed).
void	write(java.io.DataOutput dout)	Export the representation to a DataOutput stream.

Methods inherited from class java.lang.Object

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

Field Detail

u2attributesCount

protected int u2attributesCount

The U 2 attributes count.

attributes

protected AttrInfo[] attributes

The Attributes.

Constructor Detail

ClassItemInfo

protected ClassItemInfo(ClassFile cf)

Instantiates a new Class item info.

Parameters:

cf - the cf

Method Detail

getObfuscationConfig

public static ObfuscationConfig getObfuscationConfig(java.lang.String name,
                                                     AttrInfo[] attributes)

Gets obfuscation config.

Parameters:

name - the name

attributes - the attributes

Returns:

the obfuscation config

isSynthetic

public boolean isSynthetic()

Is the field or method 'Synthetic'?

Returns:

the boolean

getNameIndex

protected int getNameIndex()

Return method/field name index into Constant Pool.

Returns:

the name index

setNameIndex

protected void setNameIndex(int index)

Set the method/field name index.

Parameters:

index - the index

getDescriptorIndex

protected int getDescriptorIndex()

Return method/field descriptor index into Constant Pool.

Returns:

the descriptor index

setDescriptorIndex

protected void setDescriptorIndex(int index)

Set the method/field descriptor index.

Parameters:

index - the index

getName

public java.lang.String getName()

Return method/field string name.

Returns:

the name

getDescriptor

public java.lang.String getDescriptor()

Return descriptor string.

Returns:

the descriptor

getAccessFlags

public int getAccessFlags()

Return access flags.

Returns:

the access flags

trimAttrsExcept

protected void trimAttrsExcept(java.lang.String[] keepAttrs)

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

Parameters:

keepAttrs - the keep attrs

markUtf8Refs

protected void markUtf8Refs(ConstantPool pool)

Check for Utf8 references to constant pool and mark them.

Parameters:

pool - the pool

read

protected void read(java.io.DataInput din)
             throws java.io.IOException

Import the field or method data to internal representation.

Parameters:

din - the din

Throws:

java.io.IOException - the io exception

write

public void write(java.io.DataOutput dout)
           throws java.io.IOException

Export the representation to a DataOutput stream.

Parameters:

dout - the dout

Throws:

java.io.IOException - the io exception

getObfuscationConfig

public ObfuscationConfig getObfuscationConfig()

Gets obfuscation config.

Returns:

the obfuscation config