resources.bb.js Strings.xml on Blackberry WebWorks

/*
 * Resources
 * Implements the javascript access to the phonegap plugin for retrieving specific resource information
 * Based in original resources from Olivier Brand. Tested in Cordova 2.0
 * @version 1.0
 * @author Luis Balam
 */

/**
 * @return the Resources class instance
 */
var LocalResources = function() {
};

/**
 * Returns the named resources defined in R.strings Note the last parameter,
 * this method is synchronous
 *
 * @param successCallback
 *            The callback which will be called when directory listing is
 *            successful
 * @param failureCallback
 *            The callback which will be called when directory listing encouters
 *            an error
 */
LocalResources.prototype.getStrings = function(params, successCallback, failureCallback) {

    if (failureCallback == null) { failureCallback = function() {}; };
    if (typeof failureCallback != "function")  {
        failureCallback = function(){};
    }
    if (typeof successCallback != "function")  {
        successCallback = function(){};
    }

    //read xml
    var xFile       = "../res/values/strings.xml";
    var arrRs       = {};
    arrRs["SYSTEM_LANG"]    = "en";

    $.ajax({
        url:xFile, // relative path to www folder
        type:"get",
        contentType:"xml",
        success: function(xml){
            //todo:
            //read nodes string
            $(xml).find("string").each(function()
            {
                arrRs[$(this).attr("name")]   = $(this).text();
            });
            //execute the function
            successCallback(arrRs);
        }
    });

};

if(!window.plugins) {
    window.plugins = {};
}

if (!window.plugins.resources) {
    window.plugins.resources = new LocalResources();
}