modifiablenodelist.java

Java的面向对象数据库系统的源代码

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: ModifiableNodeList.java,v 1.1 2001/01/19 17:47:50 conny Exp $

package org.ozoneDB.xml.util;

import java.util.Vector;

import java.io.Serializable;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public final class ModifiableNodeList implements NodeList, Serializable {

    private Vector nodes = null;
    
    public ModifiableNodeList() {
        this.nodes = new Vector();
    }
    

    public ModifiableNodeList(int initialCapacity) {
        this.nodes = new Vector(initialCapacity);
    }
    
    
    public void addNode(Node node) {
        this.nodes.add(node);
    }


    public void removeNode(int index) {
        this.nodes.remove(index);
    }
    
    
    //
    //  org.w3c.dom.NodeList implementation
    //
    
    public Node item(int index) {
        return ((index >= 0) && (index < this.nodes.size()))
                ? (Node)this.nodes.elementAt(index) : null;
        }
    
    
    public int getLength(){
        return this.nodes.size();    
    }
    
}