File: ia\utils\File.js

/** 
 * Class for loading data.
 *
 * @author J Clare
 * @class ia.File
 * @constructor
 */
ia.File = function() {};

/** 
 * If set, overrides default error reporting - requested by KM for server.
 *
 * @property errorHandler
 * @type String
 */
ia.File.errorHandler = undefined;

/** 
 * Loads a file.
 *
 * @static
 * @method load
 * @param {Object} options Object literal containing url, type, onSuccess(), onFail(). 
 */
ia.File.load = function(options) 
{
	var o = {};
	o.type = options.type || "GET";
	o.url = ia.getDomainSafeUrl(options.url);
	o.dataType = options.dataType || "text";
	if (options.contentType) o.contentType = options.contentType;
	if (options.data) o.data = options.data;
	if (options.onSuccess) o.success = options.onSuccess;
	o.error = function(XMLHttpRequest, textStatus, errorThrown) 
	{
		if (options.onFail) options.onFail(XMLHttpRequest, textStatus, errorThrown);
		if (ia.File.errorHandler) ia.File.errorHandler(o.url, XMLHttpRequest, textStatus, errorThrown, options);
	};

	$j.ajax(o);
};

/** 
 * Returns the file directory.
 *
 * @static
 * @method getFileDirectory
 * @param {String} url The file path. 
 * @param {String} The file directory. 
 */
ia.File.getFileDirectory = function(url) 
{
	var dir = url;
	if (url.indexOf('?') > 0)	dir = url.substring(0, url.lastIndexOf('?'));
	if (dir.indexOf("/") < 0)	return dir.substring(0, dir.lastIndexOf("\\") + 1);
	else						return dir.substring(0, dir.lastIndexOf("/") + 1);
}

/** 
 * Returns the file name.
 *
 * @static
 * @method getFileName
 * @param {String} url The file path. 
 * @param {String} The file name. 
 */
ia.File.getFileName = function(url) 
{
	var fn = url;
	if (url.indexOf('?') > 0)	fn = url.substring(0, url.lastIndexOf('?'));
	if (fn.indexOf("/") < 0)	return fn.substring(fn.lastIndexOf("\\") + 1);
	else						return fn.substring(fn.lastIndexOf("/") + 1);
}