org.apache.bcel.classfile

Class ConstantString

Implemented Interfaces:
Cloneable, ConstantObject, Node, Serializable

public final class ConstantString
extends Constant
implements ConstantObject

This class is derived from the abstract Constant class and represents a reference to a String object.
Version:
$Id: ConstantString.java,v 1.2 2002/03/11 16:16:35 mdahm Exp $
Author:
M. Dahm
See Also:
Constant

Field Summary

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

tag

Constructor Summary

ConstantString(int string_index)
ConstantString(ConstantString c)
Initialize from another object.

Method Summary

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(DataOutputStream file)
Dump constant field reference to file stream in binary format.
String
getBytes(ConstantPool cp)
Object
getConstantValue(ConstantPool cp)
int
getStringIndex()
void
setStringIndex(int string_index)
String
toString()

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

accept, clone, copy, dump, getTag, toString

Constructor Details

ConstantString

public ConstantString(int string_index)
Parameters:
string_index - Index of Constant_Utf8 in constant pool

ConstantString

public ConstantString(ConstantString c)
Initialize from another object.

Method Details

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
Overrides:
accept in interface Constant
Parameters:
v - Visitor object

dump

public final void dump(DataOutputStream file)
            throws IOException
Dump constant field reference to file stream in binary format.
Overrides:
dump in interface Constant
Parameters:
file - Output file stream

getBytes

public String getBytes(ConstantPool cp)
Returns:
dereferenced string

getConstantValue

public Object getConstantValue(ConstantPool cp)
Specified by:
getConstantValue in interface ConstantObject
Returns:
String object

getStringIndex

public final int getStringIndex()
Returns:
Index in constant pool of the string (ConstantUtf8).

setStringIndex

public final void setStringIndex(int string_index)
Parameters:

toString

public final String toString()
Overrides:
toString in interface Constant
Returns:
String representation.