proguard.classfile

Class LibraryClass

java.lang.Object

proguard.classfile.LibraryClass

All Implemented Interfaces:

Clazz, VisitorAccepter

public class LibraryClass
extends Object
implements Clazz

This Clazz is a compact representation of the essential data in a Java class.

Author:

Eric Lafortune

Field Summary

Fields

Modifier and Type	Field and Description
LibraryField[]	fields
Clazz[]	interfaceClasses An extra field pointing to the interfaces of this class.
String[]	interfaceNames
LibraryMethod[]	methods
Clazz[]	subClasses An extra field pointing to the subclasses of this class.
Clazz	superClass An extra field pointing to the superclass of this class.
String	superClassName
String	thisClassName
int	u2accessFlags
Object	visitorInfo An extra field in which visitors can store information.

Constructor Summary

Constructors

Constructor and Description
LibraryClass() Creates an empty LibraryClass.

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(ClassVisitor classVisitor) Accepts the given class visitor.
void	addSubClass(Clazz clazz) Notifies this Clazz that it is being subclassed by another class.
void	attributeAccept(String name, AttributeVisitor attributeVisitor) Lets the given attribute info visitor visit the specified attribute.
void	attributesAccept(AttributeVisitor attributeVisitor) Lets the given attribute info visitor visit all attributes of this class.
void	constantPoolEntriesAccept(ConstantVisitor constantVisitor) Lets the given constant pool entry visitor visit all constant pool entries of this class.
void	constantPoolEntryAccept(int index, ConstantVisitor constantVisitor) Lets the given constant pool entry visitor visit the constant pool entry at the specified index.
boolean	extends_(Clazz clazz) Returns whether this class extends the given class.
boolean	extends_(String className) Returns whether this class extends the specified class.
boolean	extendsOrImplements(Clazz clazz) Returns whether this class implements the given class.
boolean	extendsOrImplements(String className) Returns whether this class implements the specified class.
void	fieldAccept(String name, String descriptor, MemberVisitor memberVisitor) Lets the given member info visitor visit the specified field.
void	fieldsAccept(MemberVisitor memberVisitor) Lets the given member info visitor visit all fields of this class.
Field	findField(String name, String descriptor) Returns the field with the given name and descriptor.
Method	findMethod(String name, String descriptor) Returns the method with the given name and descriptor.
int	getAccessFlags() Returns the access flags of this class.
String	getClassName(int constantIndex) Returns the class name of ClassConstant at the specified index.
Clazz	getInterface(int index) Returns the interface at the given index.
int	getInterfaceCount() Returns the number of interfaces that this class implements.
String	getInterfaceName(int index) Returns the full internal name of the interface at the given index of this class.
String	getName() Returns the full internal name of this class.
String	getName(int constantIndex) Returns the name of the NameAndTypeConstant at the specified index.
String	getRefClassName(int constantIndex) Returns the class name of the RefConstant at the specified index.
String	getRefName(int constantIndex) Returns the name of the RefConstant at the specified index.
String	getRefType(int constantIndex) Returns the type of the RefConstant at the specified index.
String	getString(int constantIndex) Returns the String value of the Utf8Constant at the specified index.
String	getStringString(int constantIndex) Returns the String value of the StringConstant at the specified index.
Clazz	getSuperClass() Returns the super class of this class.
String	getSuperName() Returns the full internal name of the super class of this class, or null if this class represents java.lang.Object.
int	getTag(int constantIndex) Returns the tag value of the Constant at the specified index.
String	getType(int constantIndex) Returns the type of the NameAndTypeConstant at the specified index.
Object	getVisitorInfo() Gets the visitor information of the visitor accepter.
void	hierarchyAccept(boolean visitThisClass, boolean visitSuperClass, boolean visitInterfaces, boolean visitSubclasses, ClassVisitor classVisitor) Accepts the given class visitor in the class hierarchy.
void	interfaceConstantsAccept(ConstantVisitor constantVisitor) Lets the given constant pool entry visitor visit the class constant pool entries for all interfaces of this class.
void	interfacesAccept(ClassVisitor classVisitor) Lets the given class visitor visit all known direct interfaces.
boolean	mayHaveImplementations(Method method) Returns whether the given method may possibly have implementing or overriding methods down the class hierarchy.
void	methodAccept(String name, String descriptor, MemberVisitor memberVisitor) Lets the given member info visitor visit the specified method.
void	methodsAccept(MemberVisitor memberVisitor) Lets the given member info visitor visit all methods of this class.
void	setVisitorInfo(Object visitorInfo) Sets the visitor information of the visitor accepter.
void	subclassesAccept(ClassVisitor classVisitor) Lets the given class visitor visit all known subclasses.
void	superClassAccept(ClassVisitor classVisitor) Lets the given class visitor visit the superclass, if it is known.
void	superClassConstantAccept(ConstantVisitor constantVisitor) Lets the given constant pool entry visitor visit the class constant pool entry of the super class of this class, if there is one.
void	thisClassConstantAccept(ConstantVisitor constantVisitor) Lets the given constant pool entry visitor visit the class constant pool entry of this class.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

u2accessFlags

public int u2accessFlags

thisClassName

public String thisClassName

superClassName

public String superClassName

interfaceNames

public String[] interfaceNames

fields

public LibraryField[] fields

methods

public LibraryMethod[] methods

superClass

public Clazz superClass

An extra field pointing to the superclass of this class. This field is filled out by the ClassSuperHierarchyInitializer.

interfaceClasses

public Clazz[] interfaceClasses

An extra field pointing to the interfaces of this class. This field is filled out by the ClassSuperHierarchyInitializer.

subClasses

public Clazz[] subClasses

An extra field pointing to the subclasses of this class. This field is filled out by the ClassSubHierarchyInitializer.

visitorInfo

public Object visitorInfo

An extra field in which visitors can store information.

Constructor Detail

LibraryClass

public LibraryClass()

Creates an empty LibraryClass.

Method Detail

getAccessFlags

public int getAccessFlags()

Description copied from interface: Clazz

Returns the access flags of this class.

Specified by:

getAccessFlags in interface Clazz

See Also:

ClassConstants

getName

public String getName()

Description copied from interface: Clazz

Returns the full internal name of this class.

Specified by:

getName in interface Clazz

getSuperName

public String getSuperName()

Description copied from interface: Clazz

Returns the full internal name of the super class of this class, or null if this class represents java.lang.Object.

Specified by:

getSuperName in interface Clazz

getInterfaceCount

public int getInterfaceCount()

Description copied from interface: Clazz

Returns the number of interfaces that this class implements.

Specified by:

getInterfaceCount in interface Clazz

getInterfaceName

public String getInterfaceName(int index)

Description copied from interface: Clazz

Returns the full internal name of the interface at the given index of this class.

Specified by:

getInterfaceName in interface Clazz

getTag

public int getTag(int constantIndex)

Description copied from interface: Clazz

Returns the tag value of the Constant at the specified index.

Specified by:

getTag in interface Clazz

getString

public String getString(int constantIndex)

Description copied from interface: Clazz

Returns the String value of the Utf8Constant at the specified index.

Specified by:

getString in interface Clazz

getStringString

public String getStringString(int constantIndex)

Description copied from interface: Clazz

Returns the String value of the StringConstant at the specified index.

Specified by:

getStringString in interface Clazz

getClassName

public String getClassName(int constantIndex)

Description copied from interface: Clazz

Returns the class name of ClassConstant at the specified index.

Specified by:

getClassName in interface Clazz

getName

public String getName(int constantIndex)

Description copied from interface: Clazz

Returns the name of the NameAndTypeConstant at the specified index.

Specified by:

getName in interface Clazz

getType

public String getType(int constantIndex)

Description copied from interface: Clazz

Returns the type of the NameAndTypeConstant at the specified index.

Specified by:

getType in interface Clazz

getRefClassName

public String getRefClassName(int constantIndex)

Description copied from interface: Clazz

Returns the class name of the RefConstant at the specified index.

Specified by:

getRefClassName in interface Clazz

getRefName

public String getRefName(int constantIndex)

Description copied from interface: Clazz

Returns the name of the RefConstant at the specified index.

Specified by:

getRefName in interface Clazz

getRefType

public String getRefType(int constantIndex)

Description copied from interface: Clazz

Returns the type of the RefConstant at the specified index.

Specified by:

getRefType in interface Clazz

addSubClass

public void addSubClass(Clazz clazz)

Description copied from interface: Clazz

Notifies this Clazz that it is being subclassed by another class.

Specified by:

addSubClass in interface Clazz

getSuperClass

public Clazz getSuperClass()

Description copied from interface: Clazz

Returns the super class of this class.

Specified by:

getSuperClass in interface Clazz

getInterface

public Clazz getInterface(int index)

Description copied from interface: Clazz

Returns the interface at the given index.

Specified by:

getInterface in interface Clazz

extends_

public boolean extends_(Clazz clazz)

Description copied from interface: Clazz

Returns whether this class extends the given class. A class is always considered to extend itself. Interfaces are considered to only extend the root Object class.

Specified by:

extends_ in interface Clazz

extends_

public boolean extends_(String className)

Description copied from interface: Clazz

Returns whether this class extends the specified class. A class is always considered to extend itself. Interfaces are considered to only extend the root Object class.

Specified by:

extends_ in interface Clazz

extendsOrImplements

public boolean extendsOrImplements(Clazz clazz)

Description copied from interface: Clazz

Returns whether this class implements the given class. A class is always considered to implement itself. Interfaces are considered to implement all their superinterfaces.

Specified by:

extendsOrImplements in interface Clazz

extendsOrImplements

public boolean extendsOrImplements(String className)

Description copied from interface: Clazz

Returns whether this class implements the specified class. A class is always considered to implement itself. Interfaces are considered to implement all their superinterfaces.

Specified by:

extendsOrImplements in interface Clazz

findField

public Field findField(String name,
              String descriptor)

Description copied from interface: Clazz

Returns the field with the given name and descriptor.

Specified by:

findField in interface Clazz

findMethod

public Method findMethod(String name,
                String descriptor)

Description copied from interface: Clazz

Returns the method with the given name and descriptor.

Specified by:

findMethod in interface Clazz

accept

public void accept(ClassVisitor classVisitor)

Description copied from interface: Clazz

Accepts the given class visitor.

Specified by:

accept in interface Clazz

hierarchyAccept

public void hierarchyAccept(boolean visitThisClass,
                   boolean visitSuperClass,
                   boolean visitInterfaces,
                   boolean visitSubclasses,
                   ClassVisitor classVisitor)

Description copied from interface: Clazz

Accepts the given class visitor in the class hierarchy.

Specified by:

hierarchyAccept in interface Clazz

Parameters:

visitThisClass - specifies whether to visit this class.

visitSuperClass - specifies whether to visit the super classes.

visitInterfaces - specifies whether to visit the interfaces.

visitSubclasses - specifies whether to visit the subclasses.

classVisitor - the ClassVisitor that will visit the class hierarchy.

superClassAccept

public void superClassAccept(ClassVisitor classVisitor)

Lets the given class visitor visit the superclass, if it is known.

Parameters:

classVisitor - the ClassVisitor that will visit the superclass.

interfacesAccept

public void interfacesAccept(ClassVisitor classVisitor)

Lets the given class visitor visit all known direct interfaces.

Parameters:

classVisitor - the ClassVisitor that will visit the interfaces.

subclassesAccept

public void subclassesAccept(ClassVisitor classVisitor)

Description copied from interface: Clazz

Lets the given class visitor visit all known subclasses.

Specified by:

subclassesAccept in interface Clazz

Parameters:

classVisitor - the ClassVisitor that will visit the subclasses.

constantPoolEntriesAccept

public void constantPoolEntriesAccept(ConstantVisitor constantVisitor)

Description copied from interface: Clazz

Lets the given constant pool entry visitor visit all constant pool entries of this class.

Specified by:

constantPoolEntriesAccept in interface Clazz

constantPoolEntryAccept

public void constantPoolEntryAccept(int index,
                           ConstantVisitor constantVisitor)

Description copied from interface: Clazz

Lets the given constant pool entry visitor visit the constant pool entry at the specified index.

Specified by:

constantPoolEntryAccept in interface Clazz

thisClassConstantAccept

public void thisClassConstantAccept(ConstantVisitor constantVisitor)

Description copied from interface: Clazz

Lets the given constant pool entry visitor visit the class constant pool entry of this class.

Specified by:

thisClassConstantAccept in interface Clazz

superClassConstantAccept

public void superClassConstantAccept(ConstantVisitor constantVisitor)

Description copied from interface: Clazz

Lets the given constant pool entry visitor visit the class constant pool entry of the super class of this class, if there is one.

Specified by:

superClassConstantAccept in interface Clazz

interfaceConstantsAccept

public void interfaceConstantsAccept(ConstantVisitor constantVisitor)

Description copied from interface: Clazz

Lets the given constant pool entry visitor visit the class constant pool entries for all interfaces of this class.

Specified by:

interfaceConstantsAccept in interface Clazz

fieldsAccept

public void fieldsAccept(MemberVisitor memberVisitor)

Description copied from interface: Clazz

Lets the given member info visitor visit all fields of this class.

Specified by:

fieldsAccept in interface Clazz

fieldAccept

public void fieldAccept(String name,
               String descriptor,
               MemberVisitor memberVisitor)

Description copied from interface: Clazz

Lets the given member info visitor visit the specified field.

Specified by:

fieldAccept in interface Clazz

methodsAccept

public void methodsAccept(MemberVisitor memberVisitor)

Description copied from interface: Clazz

Lets the given member info visitor visit all methods of this class.

Specified by:

methodsAccept in interface Clazz

methodAccept

public void methodAccept(String name,
                String descriptor,
                MemberVisitor memberVisitor)

Description copied from interface: Clazz

Lets the given member info visitor visit the specified method.

Specified by:

methodAccept in interface Clazz

mayHaveImplementations

public boolean mayHaveImplementations(Method method)

Description copied from interface: Clazz

Returns whether the given method may possibly have implementing or overriding methods down the class hierarchy. This can only be true if the class is not final, and the method is not private, static, or final, or a constructor.

Specified by:

mayHaveImplementations in interface Clazz

Parameters:

method - the method that may have implementations.

Returns:

whether it may have implementations.

attributesAccept

public void attributesAccept(AttributeVisitor attributeVisitor)

Description copied from interface: Clazz

Lets the given attribute info visitor visit all attributes of this class.

Specified by:

attributesAccept in interface Clazz

attributeAccept

public void attributeAccept(String name,
                   AttributeVisitor attributeVisitor)

Description copied from interface: Clazz

Lets the given attribute info visitor visit the specified attribute.

Specified by:

attributeAccept in interface Clazz

getVisitorInfo

public Object getVisitorInfo()

Description copied from interface: VisitorAccepter

Gets the visitor information of the visitor accepter.

Specified by:

getVisitorInfo in interface VisitorAccepter

setVisitorInfo

public void setVisitorInfo(Object visitorInfo)

Description copied from interface: VisitorAccepter

Sets the visitor information of the visitor accepter.

Specified by:

setVisitorInfo in interface VisitorAccepter

toString

public String toString()

Overrides:

toString in class Object