request.js

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// Description:	js.net.http.Request 类
// Author:	Changhua.Wan
// Version:	2004.03.06.01


_package("js.net.http");

_import("js.io.Serializable");
_import("js.net.Encoder");
_import("js.util.Hashtable");
_import("js.lang.IllegalArgumentException");

function js.net.http.Request() {
	
	this.map=new js.util.Hashtable();

	this.contentType = 0;

	this.set = function(n,v) {this.map.put(n,v);}
	this.get = function(n) {return this.map.get(n);}
	
	this.setString = function(n,v) {
		this.set(n,String(v));
	};
	this.getString = function(n) {
		return String(this.get(n));
	};
	this.setFile = function(_name,_file) {
		if (_file.instanceOf("js.io.File")) {
			this.set(_name,_file);
		} else {
			_throw(new js.lang.IllegalArgumentException("setFile 参数不是有效的 js.io.File 对象"));
		}
	};
	this.getFile = function(_name) {
		var _file = this.get(_name);
		if (_file != null && _file.instanceOf("js.io.File")) {
			return _file;
		}
		return null;
	};
	
	this.setObject = function(n,v) {}
	this.getObject = function(n,v) {}
	
	this.clear = function() {this.map.clear();};
	this.removeParameter = function(n) {this.map.remove(n);};
	this.paramCount = function() {return this.map.size();};
	
	var separator = null;
	var getSeparator = function() {
		if (separator == null)
			separator = "----------" + Math.round(Math.random() * 0x10000000).toString(16);
		return separator;
	};
	this.getContentType = function() {
		if (this.contentType == 0)
			return "application/x-www-form-urlencoded";
		else if (this.contentType == 1)
			return 'text/xml; charset="UTF-8"';
		else if (this.contentType == 2)
			return "multipart/form-data; boundary=" + getSeparator();
		else ;
	}
	this.toData = function() {
		if (this.contentType == 0)
			return this.toUrlString();
		else if (this.contentType == 1)
			return this.toXmlString();
		else if (this.contentType == 2)
			return this.toFormData();
		else
			return this.toUrlString();
	}
	this.toXmlString = function() {
		var xmldom = new ActiveXObject("Microsoft.XMLDOM");
		xmldom.async = false;
		xmldom.loadXML("<Request xmlns:js=\"http://js.x86.cn/xml/\" ></Request>");
		var root = xmldom.documentElement;
		var em = this.map.keys();
		while(em.hasMoreElements()) {
			var key = em.nextElement();
			var itm = this.map.get(key);
			var para = xmldom.createElement("js:param");
			para.setAttribute("name", key);
			var text = xmldom.createTextNode(itm.toString());
			para.appendChild(text);
			root.appendChild(para);
		}
		return xmldom.xml;
	};
	this.toUrlString = function() {
		var str="";
		var em = this.map.keys();
		while(em.hasMoreElements()) {
			var key = em.nextElement();
			var itm = this.map.get(key);
			str += key + "=" + js.net.Encoder.encodeURIComponent(itm.toString()) + "&";
		}
		return str;		
	};
	this.toFormData = function() {
		var str = "";
		var em = this.map.keys();
		while(em.hasMoreElements()) {
			var key = em.nextElement();
			var itm = this.map.get(key);
			str += js.net.Encoder.strToHex('--' + getSeparator() + '\r\n');
			str += js.net.Encoder.strToHex('Content-Disposition: form-data; name="' + key + '"');
			if (itm.instanceOf("js.io.File")) {
				str += js.net.Encoder.strToHex('; filename="' + itm.path + '"\r\n');
				str += js.net.Encoder.strToHex('Content-Transfer-Encoding: binary\r\n\r\n');
				str += js.net.Encoder.byteToHex(itm.getData()); // TODO
			}
			else
				str += js.net.Encoder.strToHex('\r\n\r\n' + itm);
			str += js.net.Encoder.strToHex('\r\n');
		}
		str += js.net.Encoder.strToHex('--' + getSeparator() + '\r\n');
		return(js.net.Encoder.hexToByte(str));
	}

}
js.net.http.Request._extends("js.io.Serializable");