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 superclass 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 Constant

tag

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

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ConstantCP(byte tag, int classIndex, int nameAndTypeIndex)	Constructs a ConstantCP.
	ConstantCP(ConstantCP c)	Initialize from another object.

Method Summary

Modifier and Type	Method	Description
final void	dump(DataOutputStream file)	Dumps constant field reference to file stream in binary format.
String	getClass(ConstantPool cp)	Gets the class this field belongs to.
final int	getClassIndex()	Gets the reference (index) to class this constant refers to.
final int	getNameAndTypeIndex()	Gets the reference (index) to signature of the field.
final void	setClassIndex(int classIndex)	Sets the class index.
final void	setNameAndTypeIndex(int nameAndTypeIndex)	Sets the name and type index.
String	toString()

Methods inherited from class Constant

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

Modifier and Type	Method	Description
abstract void	accept(Visitor v)	Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class.
Object	clone()
Constant	copy()	Creates a deep copy of this constant.
boolean	equals(Object obj)	Returns value as defined by given BCELComparator strategy.
static BCELComparator<Constant>	getComparator()	Gets the comparison strategy object.
final byte	getTag()	Gets the tag of constant.
int	hashCode()	Returns value as defined by given BCELComparator strategy.
static Constant	readConstant(DataInput dataInput)	Reads one constant from the given input, the type depends on a tag byte.
static void	setComparator(BCELComparator<Constant> comparator)	Sets the comparison strategy object.

Methods inherited from class 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

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

Constructs a ConstantCP.

Parameters:

tag - The constant type tag.

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

Dumps constant field reference to file stream in binary format.

Specified by:

dump in class Constant

Parameters:

file - Output file stream.

Throws:

IOException - Thrown if an I/O error occurs.

getClass

public String getClass(ConstantPool cp)

Gets the class this field belongs to.

Parameters:

cp - The constant pool.

Returns:

Class this field belongs to.

getClassIndex

public final int getClassIndex()

Gets the reference (index) to class this constant refers to.

Returns:

Reference (index) to class this constant refers to.

getNameAndTypeIndex

public final int getNameAndTypeIndex()

Gets the reference (index) to signature of the field.

Returns:

Reference (index) to signature of the field.

setClassIndex

public final void setClassIndex(int classIndex)

Sets the class index.

Parameters:

classIndex - points to Constant_class.

setNameAndTypeIndex

public final void setNameAndTypeIndex(int nameAndTypeIndex)

Sets the name and type index.

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