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org.apache.bcel.classfile
Class ConstantString  view ConstantString download ConstantString.java

java.lang.Object
  extended byorg.apache.bcel.classfile.Constant
      extended byorg.apache.bcel.classfile.ConstantString
All Implemented Interfaces:
java.lang.Cloneable, ConstantObject, Node, java.io.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 386056 2006-03-15 11:31:56Z tcurdt $

Field Summary
private  int string_index
           
 
Fields inherited from class org.apache.bcel.classfile.Constant
tag
 
Constructor Summary
  ConstantString(ConstantString c)
          Initialize from another object.
(package private) ConstantString(java.io.DataInputStream file)
          Initialize instance from file data.
  ConstantString(int string_index)
           
 
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(java.io.DataOutputStream file)
          Dump constant field reference to file stream in binary format.
 java.lang.String getBytes(ConstantPool cp)
           
 java.lang.Object getConstantValue(ConstantPool cp)
           
 int getStringIndex()
           
 void setStringIndex(int string_index)
           
 java.lang.String toString()
          Convert this Object to a human-readable String.
 
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

string_index

private int string_index
Constructor Detail

ConstantString

public ConstantString(ConstantString c)
Initialize from another object.


ConstantString

ConstantString(java.io.DataInputStream file)
         throws java.io.IOException
Initialize instance from file data.


ConstantString

public ConstantString(int string_index)
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

dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException
Dump constant field reference to file stream in binary format.

Specified by:
dump in class Constant

getStringIndex

public final int getStringIndex()

setStringIndex

public final void setStringIndex(int string_index)

toString

public final java.lang.String toString()
Description copied from class: java.lang.Object
Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

Overrides:
toString in class Constant

getConstantValue

public java.lang.Object getConstantValue(ConstantPool cp)
Specified by:
getConstantValue in interface ConstantObject

getBytes

public java.lang.String getBytes(ConstantPool cp)