Package org.apache.bcel.classfile

Class ConstantCP

java.lang.Object

org.apache.bcel.classfile.Constant

org.apache.bcel.classfile.ConstantCP

All Implemented Interfaces:

java.lang.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

EMPTY_ARRAY, tag

Constructor Summary

Constructors

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

Method Summary

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

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 Detail

ConstantCP

ConstantCP(byte tag,
           java.io.DataInput file)
    throws java.io.IOException

Initialize instance from file data.

Parameters:

tag - Constant type tag.

file - Input stream.

Throws:

java.io.IOException - if an I/O error occurs.

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 Detail

dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException

Dumps constant field reference to file stream in binary format.

Specified by:

dump in class Constant

Parameters:

file - Output file stream.

Throws:

java.io.IOException - if an I/O error occurs.

getClass

public java.lang.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 java.lang.String toString()

Overrides:

toString in class Constant

Returns:

String representation. not final as ConstantInvokeDynamic needs to modify