dictionary.js

来自「JSVM核心类库,收集了JAVA进行JSVM开发必用技术进行归纳,在实际项目应用」· JavaScript 代码 · 共 50 行

// Description:	js.util.Dictionary 类
// Author:	Changhua.Wan
// Version:	2004.01.26.01

_package("js.util");

_import("js.lang.Object");
_import("js.util.Enumeration");

function js.util.Dictionary() {

	js.util.Dictionary._base.call(this);

	var _dict = new ActiveXObject("Scripting.Dictionary");

	this.elements = function() {
		return new js.util.Enumeration((new VBArray(_dict.Items())).toArray());
	};
	this.get = function(key) {
		if (_dict.Exists(key))
			return _dict.Item(key);
		else
			return null;
	};
	this.isEmpty = function() {
		return(this.size() == 0);
	};
	this.keys = function() {
		return new js.util.Enumeration((new VBArray(_dict.Keys())).toArray());
	};
	this.put = function(key,value) {
		if (_dict.Exists(key))
			_dict.Item(key)=value;
		else
			_dict.Add(key,value);
	};
	this.remove = function(key) {
		_dict.Remove(key);	
	};
	this.size = function() {
		return _dict.Count;	
	};
	this.valueOf = function() {
		return _dict;	
	}

}

js.util.Dictionary._extends("js.lang.Object");