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bcel API: Class Constant

org.apache.bcel.classfile
Class Constant

java.lang.Object
  |
  +--org.apache.bcel.classfile.Constant
All Implemented Interfaces:
java.lang.Cloneable, Node
Direct Known Subclasses:
ConstantClass, ConstantCP, ConstantDouble, ConstantFloat, ConstantInteger, ConstantLong, ConstantNameAndType, ConstantString, ConstantUtf8

public abstract class Constant
extends java.lang.Object
implements java.lang.Cloneable, Node

Abstract superclass for classes to represent the different constant types in the constant pool of a class file. The classes keep closely to the JVM specification.

Version:
$Id: Constant.java,v 1.1.1.1 2001/10/29 19:59:58 jvanzyl Exp $
Author:
M. Dahm

Field Summary
protected  byte tag
           
 
Method Summary
abstract  void accept(Visitor v)
          Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
 java.lang.Object clone()
           
 Constant copy()
           
abstract  void dump(java.io.DataOutputStream file)
           
 byte getTag()
           
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

tag

protected byte tag
Method Detail

accept

public abstract 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
Parameters:
v - Visitor object

dump

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

getTag

public final byte getTag()
Returns:
Tag of constant, i.e., its type. No setTag() method to avoid confusion.

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object
Returns:
String representation.

copy

public Constant copy()
Returns:
deep copy of this constant

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
Overrides:
clone in class java.lang.Object