org.apache.bcel.classfile

Class ConstantClass

java.lang.Object

org.apache.bcel.classfile.Constant

org.apache.bcel.classfile.ConstantClass

All Implemented Interfaces:

java.lang.Cloneable, ConstantObject, Node

public final class ConstantClass
extends Constant
implements ConstantObject

This class is derived from the abstract Constant and represents a reference to a (external) class.

See Also:

Constant

Field Summary

Fields

Modifier and Type	Field and Description
private int	name_index

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

tag

Constructor Summary

Constructors

Constructor and Description
ConstantClass(ConstantClass c) Initialize from another object.
ConstantClass(java.io.DataInput dataInput) Constructs an instance from file data.
ConstantClass(int name_index)

Method Summary

Modifier and Type	Method and Description
void	accept(Visitor v) Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
void	dump(java.io.DataOutputStream file) Dumps constant class to file stream in binary format.
java.lang.String	getBytes(ConstantPool cp)
java.lang.Object	getConstantValue(ConstantPool cp)
int	getNameIndex()
void	setNameIndex(int name_index)
java.lang.String	toString()

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

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

Methods inherited from class java.lang.Object

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

Field Detail

name_index

private int name_index

Constructor Detail

ConstantClass

public ConstantClass(ConstantClass c)

Initialize from another object.

ConstantClass

ConstantClass(java.io.DataInput dataInput)
       throws java.io.IOException

Constructs an instance from file data.

Parameters:

dataInput - Input stream

Throws:

java.io.IOException - if an I/O error occurs reading from the given dataInput.

ConstantClass

public ConstantClass(int name_index)

Parameters:

name_index - Name index in constant pool. Should refer to a ConstantUtf8.

Method Detail

accept

public void accept(Visitor v)

Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.

Specified by:

accept in interface Node

Specified by:

accept in class Constant

Parameters:

v - Visitor object

dump

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

Dumps constant class 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 writing to the DataOutputStream.

getNameIndex

public final int getNameIndex()

Returns:

Name index in constant pool of class name.

setNameIndex

public final void setNameIndex(int name_index)

Parameters:

name_index - the name index in the constant pool of this Constant Class

getConstantValue

public java.lang.Object getConstantValue(ConstantPool cp)

Specified by:

getConstantValue in interface ConstantObject

Returns:

String object

getBytes

public java.lang.String getBytes(ConstantPool cp)

Returns:

dereferenced string

toString

public final java.lang.String toString()

Overrides:

toString in class Constant

Returns:

String representation.