Object.extend = function(dest, source, replace) {
	for(var prop in source) {
		if(replace == false && dest[prop] != null) { continue; }
		dest[prop] = source[prop];
	}
	return dest;
};
// IDictionaryConverter
if(typeof Ajax == "undefined") Ajax={};
if(typeof Ajax.Web == "undefined") Ajax.Web={};

Ajax.Web.Dictionary = function(type,items) {
	this.__type = type;
	this.keys = [];
	this.values = [];

	if(items != null && !isNaN(items.length)) {
		for(var i=0; i<items.length; i++)
			this.add(items[i][0], items[i][1]);
	}
}
Object.extend(Ajax.Web.Dictionary.prototype, {
	add: function(k, v) {
		this.keys.push(k);
		this.values.push(v);
		return this.values.length -1;
	},
	containsKey: function(key) {
		for(var i=0; i<this.keys.length; i++)
			if(this.keys[i] == key) return true;
		return false;
	},
	getKeys: function() {
		return this.keys;
	},
	getValue: function(key) {
		for(var i=0; i<this.keys.length && i<this.values.length; i++)
			if(this.keys[i] == key) return this.values[i];
		return null;
	},
	setValue: function(k, v) {
		for(var i=0; i<this.keys.length && i<this.values.length; i++) {
			if(this.keys[i] == k) this.values[i] = v;
			return i;
		}
		return this.add(k, v);
	},
	toJSON: function() {
		return AjaxPro.toJSON({__type:this.__type,keys:this.keys,values:this.values});
	}
}, true);

// DataTableConverter
if(typeof Ajax == "undefined") Ajax={};
if(typeof Ajax.Web == "undefined") Ajax.Web={};

Ajax.Web.DataTable = function(c, r) {
	this.__type = "System.Data.DataTable,System.Data";
	this.Columns = [];
	this.Rows = [];
	this.addColumn = function(name, type) {
		this.Columns.push({Name:name,__type:type});
	}
	this.toJSON = function() {
		var dt = {};
		dt.Columns = [];
		for(var i=0; i<this.Columns.length; i++)
			dt.Columns.push([this.Columns[i].Name, this.Columns[i].__type]);
		dt.Rows = [];
		for(var i=0; i<this.Rows.length; i++) {
			var row = [];
			for(var j=0; j<this.Columns.length; j++)
				row.push(this.Rows[i][this.Columns[j].Name]);
			dt.Rows.push(row);
		}
		return AjaxPro.toJSON(dt);
	}
	this.addRow = function(row) {
		this.Rows.push(row);
	}
	if(c != null) {
		for(var i=0; i<c.length; i++)
			this.addColumn(c[i][0], c[i][1]);
	}
	if(r != null) {
		for(var i=0; i<r.length; i++) {
			var row = {};
			for(var c=0; c<this.Columns.length && c<r[i].length; c++)
				row[this.Columns[c].Name] = r[i][c];
			this.addRow(row);
		}
	}
}

// NameValueCollectionConverter
if(typeof Ajax == "undefined") Ajax={};
if(typeof Ajax.Web == "undefined") Ajax.Web={};

Ajax.Web.NameValueCollection = function(items) {
	this.__type = "System.Collections.Specialized.NameValueCollection";
	this.keys = [];
	this.values = [];

	if(items != null && !isNaN(items.length)) {
		for(var i=0; i<items.length; i++)
			this.add(items[i][0], items[i][1]);
	}
}
Object.extend(Ajax.Web.NameValueCollection.prototype, {
	add: function(k, v) {
		if(k == null || k.constructor != String || v == null || v.constructor != String)
			return -1;
		this.keys.push(k);
		this.values.push(v);
		return this.values.length -1;
	},
	containsKey: function(key) {
		for(var i=0; i<this.keys.length; i++)
			if(this.keys[i] == key) return true;
		return false;
	},
	getKeys: function() {
		return this.keys;
	},
	getValue: function(k) {
		for(var i=0; i<this.keys.length && i<this.values.length; i++)
			if(this.keys[i] == k) return this.values[i];
		return null;
	},
	setValue: function(k, v) {
		if(k == null || k.constructor != String || v == null || v.constructor != String)
			return -1;
		for(var i=0; i<this.keys.length && i<this.values.length; i++) {
			if(this.keys[i] == k) this.values[i] = v;
			return i;
		}
		return this.add(k, v);
	},
	toJSON: function() {
		return AjaxPro.toJSON({__type:this.__type,keys:this.keys,values:this.values});
	}
}, true);

// DataSetConverter
if(typeof Ajax == "undefined") Ajax={};
if(typeof Ajax.Web == "undefined") Ajax.Web={};

Ajax.Web.DataSet = function(t) {
	this.__type = "System.Data.DataSet,System.Data";
	this.Tables = [];
	this.addTable = function(t) {
		this.Tables.push(t);
	}
	if(t != null) {
		for(var i=0; i<t.length; i++) {
			this.addTable(t[i]);
		}
	}
}


var JDataSet = {}
Object.extend(JDataSet, {

	toJSON: function(o) {	

		if(o == null) {

			return "null";

		}

		var v = [];

		var i;

		switch(o.constructor) {

			case String:

				for(i=0; i<o.length; i++) {

					var c = o.charAt(i);

					if(c >= " ") {

						if(c == "\\" || c == '"') {

							v.push("\\");

						}

						v.push(c);

					} else {

						switch(c) {

							case "\n": v.push("\\n"); break;

							case "\r": v.push("\\r"); break;

							case "\b": v.push("\\b"); break;

							case "\f": v.push("\\f"); break;

							case "\t": v.push("\\t"); break;

							default:

								v.push("\\u00");

								v.push(c.charCodeAt().toString(16));

						}

					}

				}

				return '"' + v.join('') + '"';

			case Array:

				for(i=0; i<o.length; i++) {

					v.push(JDataSet.toJSON(o[i]));

				}

				return "[" + v.join(",") + "]";

			case Number:

				return isFinite(o) ? o.toString() : JDataSet.toJSON(null);

			case Boolean:

				return o.toString();

			case Date:

				var d = {};

				d.__type = "System.DateTime";

				d.Year = o.getUTCFullYear();

				d.Month = o.getUTCMonth() +1;

				d.Day = o.getUTCDate();

				d.Hour = o.getUTCHours();

				d.Minute = o.getUTCMinutes();

				d.Second = o.getUTCSeconds();

				d.Millisecond = o.getUTCMilliseconds();

				return JDataSet.toJSON(d);

			default:

				if(typeof o.toJSON == "function") {

					return o.toJSON();

				}

				if(typeof o == "object") {

					for(var attr in o) {

						if(typeof o[attr] != "function") {

							v.push('"' + attr + '":' + JDataSet.toJSON(o[attr]));

						}

					}

					if(v.length>0) {

						return "{" + v.join(",") + "}";

					}

					return "{}";		

				}

				return o.toString();

		}

	}

}, false);