orion.Export = function(header, exportingBundle) {
	if (header === null)
		throw "header cannot be null";

	if (exportingBundle === null)
		throw "exportingBundle cannot be null";

	this._name = null;
	this._version = orion.Version.EMPTY_VERSION;
	this._attributes = {};
	this._mandatory = [];
	this._exportingBundle = exportingBundle;

	this._parseExport(header);
};

orion.Export.prototype = {
	_parseExport : function(header) {
		if (typeof header == "string") {
			this._name = header;
			return;
		}
		
		this._name = header.name;
		if (header.version)
			this._version = orion.Version.parseVersion(header.version);
		
		if (header.mandatory)
			this._parseMandatory(header.mandatory);
			
		var attributeName;
		for (attributeName in header) {
			if (header.hasOwnProperty(attributeName))
				this._attributes[attributeName] = header[attributeName];
		}
	},
	_parseMandatory : function(mandatory) {
		for ( var i = 0; i < mandatory.length; i++) {
			this._mandatory.push(mandatory[i]);
		}
	},
	getName : function() {
		return this._name;
	},
	getVersion : function() {
		return this._version;
	},
	getBundleId : function() {
		return this._exportingBundle.getBundleId();
	},
	getBundleName : function() {
		return this._exportingBundle.getName();
	},
	getBundleVersion : function() {
		return this._exportingBundle.getVersion();
	},
	getAttributes : function() {
		return this._attributes;
	},
	getExportingBundle : function() {
		return this._exportingBundle;
	},
	getMandatory : function() {
		return this._mandatory;
	},
	addToScope : function (scope) {
		var value = this._exportingBundle.load(this._name);
		var tokens = this._name.split(".");
		var _Wrapper = function() {};
		var i = 0;
		while (true) {
			var token = tokens[i++];
			var current = null;
			if (scope.hasOwnProperty(token)) {
				current = scope[token];
			}
			if (i === tokens.length) {
				if (current === null || current === undefined) {
					if (typeof value === "object") {
						_Wrapper.prototype = value;
						value = new _Wrapper();
					}
					scope[token]= value;
					return;
				}
				throw "Resolve error: " + this._name + " already exists for " + this.toString();				
			}
			if (current === null || current === undefined) {
				current = scope[token];
				if (current === null || current === undefined) {
					current = {};
				} else if (typeof current === "object") {
					_Wrapper.prototype = current;
					current = new _Wrapper();
				} else
					throw "Resolve error: " + this._name + "-" + token + " already exists for " + this.toString(); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
				scope[token] = current;
			}
			scope = current;
		}
	}
};