inthashtableenumerator.java

这个是网络上下载的一个struct框架的程序

// Decompiled by DJ v3.5.5.77 Copyright 2003 Atanas Neshkov  Date: 2003-6-23 11:15:40
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// Decompiler options: packimports(3) 
// Source File Name:   IntHashtable.java

package com.struts2.framework.util;

import java.util.Enumeration;
import java.util.NoSuchElementException;

// Referenced classes of package org.fat32.util:
//            IntHashtableEntry

class IntHashtableEnumerator
    implements Enumeration
{

    public boolean hasMoreElements()
    {
        if(entry != null)
            return true;
        while(index-- > 0) 
            if((entry = table[index]) != null)
                return true;
        return false;
    }

    public Object nextElement()
    {
        if(entry == null)
            while(index-- > 0 && (entry = table[index]) == null) ;
        if(entry != null)
        {
            IntHashtableEntry e = entry;
            entry = e.next;
            return keys ? new Integer(e.key) : e.value;
        } else
        {
            throw new NoSuchElementException("IntHashtableEnumerator");
        }
    }

    IntHashtableEnumerator(IntHashtableEntry table[], boolean keys)
    {
        this.table = table;
        this.keys = keys;
        index = table.length;
    }

    boolean keys;
    int index;
    IntHashtableEntry table[];
    IntHashtableEntry entry;
}