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com.chaoswg.xtc4y.classdesc
Class ConstantPool  

java.lang.Object
  com.chaoswg.xtc4y.classdesc.ConstantPool

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public class ConstantPool

extends java.lang.Object

This class describes the constant pool in a class file. It is mainly used internally The constant pool begins at index 1, therefore tries for storing data at this position wan't succeed, a ArrayIndexOutofBoundException will be thrown. It begins at index 1 so a reference to a cp entry at position 0 means no reference.

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Field Summary
private  java.util.Vector	poolEntries
private  ClassCPEntry	thisClass

 

Constructor Summary
	ConstantPool()           Create a new empty constant pool
protected	ConstantPool(java.io.DataInputStream dis)           Creates and Initializes a constant pool from a DataInputStream

 

Method Summary
short	addCPEntry(ConstantPoolEntry entry)           add a constant pool entry, if it already exists, just return an index on it
java.util.Iterator	getCPEntries()
ConstantPoolEntry	getCPEntryAt(int index)
int	getSize()
protected  ClassCPEntry	getThisClass()           Get this class
protected  void	setThisClass(ClassCPEntry cl)           set this class
java.lang.String	toString()           Get a readable version of hte current constant pool
protected  void	write(java.io.DataOutputStream dos)           Write the constant pool information into a DataOutputStream

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

poolEntries

private java.util.Vector poolEntries

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thisClass

private ClassCPEntry thisClass

Constructor Detail

ConstantPool

public ConstantPool()

Create a new empty constant pool

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ConstantPool

protected ConstantPool(java.io.DataInputStream dis)
                throws java.io.IOException

Creates and Initializes a constant pool from a DataInputStream

Method Detail

write

protected void write(java.io.DataOutputStream dos)
              throws java.io.IOException

Write the constant pool information into a DataOutputStream

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addCPEntry

public short addCPEntry(ConstantPoolEntry entry)

add a constant pool entry, if it already exists, just return an index on it

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getCPEntries

public java.util.Iterator getCPEntries()

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getCPEntryAt

public ConstantPoolEntry getCPEntryAt(int index)

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getSize

public int getSize()

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getThisClass

protected ClassCPEntry getThisClass()

Get this class

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setThisClass

protected void setThisClass(ClassCPEntry cl)

set this class

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toString

public java.lang.String toString()

Get a readable version of hte current constant pool

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