Package org.apache.bcel.classfile

Class ConstantCP

java.lang.Object

org.apache.bcel.classfile.Constant

org.apache.bcel.classfile.ConstantCP

All Implemented Interfaces:

Cloneable, Node

Direct Known Subclasses:

ConstantDynamic, ConstantFieldref, ConstantInterfaceMethodref, ConstantInvokeDynamic, ConstantMethodref

public abstract class ConstantCP
extends Constant

Abstract super class for Fieldref, Methodref, InterfaceMethodref and InvokeDynamic constants.

See Also:

• ConstantFieldref
• ConstantMethodref
• ConstantInterfaceMethodref
• ConstantInvokeDynamic

Field Summary

Fields

Modifier and Type	Field	Description
protected int	class_index	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter
protected int	name_and_type_index	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter

Fields inherited from class org.apache.bcel.classfile.Constant

tag

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ConstantCP(byte tag, int classIndex, int nameAndTypeIndex)
(package private)	ConstantCP(byte tag, DataInput file)	Initialize instance from file data.
	ConstantCP(ConstantCP c)	Initialize from another object.

Method Summary

Modifier and Type	Method	Description
final void	dump(DataOutputStream file)	Dump constant field reference to file stream in binary format.
String	getClass(ConstantPool cp)
final int	getClassIndex()
final int	getNameAndTypeIndex()
final void	setClassIndex(int classIndex)
final void	setNameAndTypeIndex(int nameAndTypeIndex)
String	toString()

Methods inherited from class org.apache.bcel.classfile.Constant

accept, clone, copy, equals, getComparator, getTag, hashCode, readConstant, setComparator

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

class_index

@Deprecated
protected int class_index

Deprecated.

(since 6.0) will be made private; do not access directly, use getter/setter

name_and_type_index

@Deprecated
protected int name_and_type_index

Deprecated.

(since 6.0) will be made private; do not access directly, use getter/setter

Constructor Details

ConstantCP

ConstantCP(byte tag,
 DataInput file)
    throws IOException

Initialize instance from file data.

Parameters:

tag - Constant type tag

file - Input stream

Throws:

IOException - if an I/O error occurs.

ConstantCP

protected ConstantCP(byte tag,
 int classIndex,
 int nameAndTypeIndex)

Parameters:

classIndex - Reference to the class containing the field

nameAndTypeIndex - and the field signature

ConstantCP

public ConstantCP(ConstantCP c)

Initialize from another object.

Parameters:

c - Source to copy.

Method Details

dump

public final void dump(DataOutputStream file)
                throws IOException

Dump constant field reference to file stream in binary format.

Specified by:

dump in class Constant

Parameters:

file - Output file stream

Throws:

IOException - if an I/O error occurs.

getClass

public String getClass(ConstantPool cp)

Returns:

Class this field belongs to.

getClassIndex

public final int getClassIndex()

Returns:

Reference (index) to class this constant refers to.

getNameAndTypeIndex

public final int getNameAndTypeIndex()

Returns:

Reference (index) to signature of the field.

setClassIndex

public final void setClassIndex(int classIndex)

Parameters:

classIndex - points to Constant_class

setNameAndTypeIndex

public final void setNameAndTypeIndex(int nameAndTypeIndex)

Parameters:

nameAndTypeIndex - points to Constant_NameAndType

toString

public String toString()

Overrides:

toString in class Constant

Returns:

String representation. not final as ConstantInvokeDynamic needs to modify